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API 748 Showcase Manual - Greater America Distributing

1. Key Part Number Description Qty R 74801420 Main Door Final Assembly Ref R 54801401409 Main Door Weld Assembly Ref 1 R 92803502 Main Door Sealing Gasket 1 R 93400448 Screw 44 2 R 54801840 Fluorescent Lamp Socket Assembly Top and Bottom 6 R 74800414 Fluorescent Lamp Bracket 4 3 R 54800438 Door Liner Top 1 4 R 44800693 Delivery Door Runner Top and Bottom only 1 5 54800452 Zero Position Switch Housing 1 R 54800453 Zero Position Switch Retaining Pad not shown 1 R 54801816 Zero Position Switch Assembly not shown 1 6 R 74800411 Glass Retainer Center Under Lamp 1 R 86688043 Insulation Foamed Tape 13 x 3 x 48 75 1 7 R 54800413 Glass Retainer Top 1 R 93400448 Mounting Retaining Screw 3 8 R 91700117 Fluorescent Lamp 3 R 91700202 Safety Shield 3 9 R 54801800 Heated Glass and Gasket 1 10 R 70703904 Service Switch 1 11 R 90702218 Service Switch Label 1 12 R 54800824 Lamp Harness Panel Cover 1 13 R 54800412 Glass Retainer Bottom 1 14 R 54801849 Heater Wire Heater Strip not shown 1 15 R 54800439 Door Liner Bottom 1 16 R 44802514239 Door Channel Cover 1 17 R 74800410 C M Door Mounting Panel 1 18 R 74800412 Light Panel 1 19 R 44800597 Price Cards Holder 1 R 93400077 Screw 1 R 28214401 Price and Selection Card Assortment 01 thru 23 not 1 shown 20 R 54804005 Anti Tamper Bracket LH 1 21 R 28216601 Delivery Door 4 9 R 28216604 Delivery Doo
2. APi 748 V1 1 406 P N 77500001 Main Door Trim amp Panels APi 748 V1 1 406 E 5 6 M XH EON ie ics Ki n No Description Genesis Black 1 Channel Header 98300003 98300003 2 Insert Header 98500003009 98500003009 3 Trim Sides Vertical 98300101 98300101 Trim Retainer Vertical 98300325 98300325 4 Panel w BA 44802531009 44802531009 Panel w o BA 44830501009 44830501009 5 Trim Horizontal 98300224 98300224 Trim Retainer Horizontal 98300329 98300329 6 Panel 44812472 98500022009 7 Kickplate OPT Black 44806028 44806028 8 Trim Horizontal Bottom 44800743309 44800743309 6 1 P N 77500001 Main Door Exterior 27 26 25 24 23 22 21 2 28 19 18 17 APi 748 V1 1 406 6 2 P N 77500001 Main Door Exterior Key Part Number Description Qty R 74801420 Main Door Final Assembly Black Ref R 4801401309 Main Door Weld Assembly Black 1 1 R 44801309309 PivotPlate Rivet Assembly 1 R 92100496 Counter Sunk Screw Phillips not shown 3 2 R 54800411 Glass Extrusion Top 1 3 R 54800416 Display Lens 1 4 R 54800463 Runner Retainer Extrusion Top 1
3. If security is turned off or the security code has already been entered the security feature will operate as follows DISPLAY ENTER NEW CODE Key Function x Any numeric key pressed will show as an on the display When four digits have been entered the s will blink times and the security function will advance to the menu security programming mode RESET Returns to the top of the service mode Menu security programming mode this mode allows the overall security feature to be turned ON and OFF DISPLAY SECURITY OFF Key Function 1 Toggles between ON and OFF 5 Saves choice and proceeds to specific menu security setting 6 Advances to specific menu security setting without saving 0 Saves and returns to the top of the service mode RESET Returns to the top of the service mode without saving APi 748 V1 1 406 3 28 Specific menu security this mode allows each menu to be individually secured DISPLAY MENU x SECURITY OFF is the menu number 1 Toggles between ON and OFF 5 Saves choice and proceeds to specific menu security setting 6 Advances to specific menu security setting without saving 0 Saves and returns to the top of the service mode RESET Returns to the top of the service mode P N 77500001 Pressing the 0 Key from Service the display will prompt Diagnostics DIAGNOSTICS 2 Time Over Health 1 Temperature Status 4 Soft
4. 5 5 5 5 6 SETUP DISPLAY AUDIT DATA 9 SECURITY CODE DISPLAY AUDIT DATA Press 0 key to step through Display Audit Data When you reach the end of the data display will show CLEAR AUDIT DATA N Press 1 key to toggle between Y and N Press 0 to clear interval data 3 2 MDB DUMB or Executive Devices See Manual for set up details NOTE After changing any setting you MUST power machine OFF OFF then ON to properly initialize the payment periherals DO NOT MIX MDB DUMB or Protocol A Devices SET UP SET SCHEDULED EVENTS 71 P 0 S MESSAGE LANGUAGE ENGLISH Rev 1 Sept 03 P N 77500001 ACCESSING SERVICE MENUS Access to all service menus starts with the Message Center showing SERVICE MENU f the display shows something different push the RESET key to return to the top of the service mode Generally service mode functions have been grouped together based on their function and assigned to a common key Most service mode functions require two key strokes The first key selects the group and the second key selects the specific function After entering the one or two keys to display the desired service mode function the keys are again used to make changes to that function APi 748 V1 1 406 3 3 The service mode function groups and the keys they are assigned to are 1 Load and calibrate coin tubes 2 Set up 748 options 3
5. Replace message Center Replace Refrigeration Turret Module Turret rotates constantly Main Door closed Key stuck on Message Center Disconnect harness from Message Center If turret stops replace Message Center Turret rotates constantly Main Door opened Service Switch defective or shorted to door Check switch Perform continuity test between switch and door chassis for wire short Turret stops between lobes on cam Half cycle switch defective or wiring defective or unplugged Check switch for adjustment and wiring for continuity Delivery Door does open Turret out of position and or in FIFO mode Compartments in sold condition Invalid section lockout Harness Connector problem Defective solenoid Defective door switch Missing 24VDC power Defective Controller Check turret position Set Zero Position routine in the Diagnostic Menu Reprogram Shelf Mode Rotate the turret one full revolution with inside Service Switch Check the Sold Out Check program in Options Menu see Section 3 Check the turret program see Section 3 Check solenoid harness to Controller from Check solenoid resistance see Table 4 1 Check switch inputs Menu in Section 4 see Diagnostic Measure Controller P5 pin 1 to P5 pin 2 Should be 24VDC Replace Controller APi 748 V1 1 406 4 15 P N 77500001 Problem Probable Cause Solutio
6. 2 Decrements product code 5 Increments product code by 10 6 Decrements product code by 10 7 Applies product code to entire shelf RESET Returns to the top of the service mode Sell On Shift 3 6 This feature allows setting of shifts when compartments are available to be sold The Column Price Display will show the current shifts assigned to the compartments Change the active shifts on the Message Center At this time if current shifts is to be set to the entire shelf press 7 Toggle a Delivery Door to apply the new shift choice to a specific compartment or shelf The Column Price Display will update to show the new shift assignment Rotate the turret to assign shifts to all compartments NOTE Press 7 before toggling door each time that a new shift choice is to be saved to the entire shelf DISPLAY SELL ON SHIFT 1 2 3 1 Selects Deselects shift 1 2 Selects Deselects shift 2 3 Selects Deselects shift 3 7 Applies shift selection to entire shelf RESET Returns to the top of the service mode NOTE When using this option the on and off times for shifts 1 2 3 must be set with the Set Schedules Key 7 0 APi 748 V1 1 406 3 11 Show Sold 3 7 This feature allows setting the price column display to show SOLD when an item is sold or just display the item price DISPLAY SHOW SOLD ON Key Function 1 Toggles between ON and OFF 0 Saves choice and returns to the top of
7. 3 7 Discount 2 2 When this option is set to Per Schedule it allows merchandise to be sold at discount prices at pre set times DISPLAY DISCOUNT OFF 1 Toggles between OFF and Per Schedule 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice If you choose Per Schedule go to the Set Schedules menu 7 0 MultiView 2 3 This option allows MultiView to be turned on off or to only run at scheduled times If MultiView is set to on it will rotate the turret three compartments for every three minutes of idle time DISPLAY MULTIVIEW OFF 1 Toggles between OFF ON and Per Schedule 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice If you choose Per Schedule go to the Set Schedules menu 7 0 Sell by Shift 2 4 This option activates the sell by shift option DISPLAY SELL BY SHIFT OFF 1 Toggles between OFF and PER SCHedule 0 Save choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice If you choose PER SCHedule go to the Set Schedules menu 7 0 on page 3 15 P N 77500001 OPTIONS CONTINUED Shutdown 2 5 This option allows you to leave the machine fully functional from health control standpoint but the lights stay off turret
8. 1 Token Cash Value If this option is chosen the token will be treated as a bill with the cash value set on the right side of the display DISPLAY TOKEN CASH VAL 00 1 Toggles betveen TOKEN CASH VAL TOKEN PC R and TOKEN FREE ANY 3 Increments Cash value 4 Decrements Cash value 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving 2 Token Product Code Range If this option is chosen it will allow a free vend of any product within a product code range when a token is accepted DISPLAY TOKEN PC R 00 to 00 1 Toggles betveen TOKEN CASH VAL TOKEN PC R and TOKEN FREE ANY 3 Increments 1st product code range 4 Decrements 1st product code range 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 7 Increments 2nd product code range 8 Decrements 2nd product code range 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving 3 Token Free Any If this option is chosen the machine will allow a free vend of any product in the machine DISPLAY TOKEN FREE ANY APi 748 V1 1 406 3 19 1 Toggles between TOKEN CASH VAL TOKEN PC R and TOKEN FREE ANY 5 Saves choice and proceeds to the next option 6 P
9. APi 748 V1 1 406 6 29 P N 77500001 Refrigeration Unit 220 V Export 8 18 19 20 4 12 17 9 10 3 2 1 16 See Detail 6 16 1 Internal View of Control Box Assembly Aum REF 9348070 REF m 5344067 gj S ie INSERT HARNESSES THRU 97 50092 REF AS SHOWN pe IL IT T dn Control Box Assembly Internal APi 748 V1 1 406 6 30 P N 77500001 Refrigeration Unit 220 V Export Key Part Number Description Qty R 74801500B Refrigeration Unit Assembly Complete R404a 220 240 V 50 60 Hz Ref R 44812209239 Refrigeration Unit Base and Stud Assembly R 54821558 Compressor R404a R 54821564 Condenser Coil Assembly R 44802225239 Condenser Unit Assembly Shroud R 44802246 Drip Tray R 54821562 Condenser Fan Assembly R 54821567 Condenser Fan Blade R 54821525 Condenser Fan Motor R 44802215 Condenser Fan Mounting Bracket 738 41 Nut 1 4 20 Fan Assembly Mounting 7 R 44802247239 Evaporator Cover 8 R 44812212B Air Return Housing Assembly R 44802243 Gasket only Air Return Housing 9 R 54801204 Thermostat and Cover Assembly R 44801829 Thermostat R 70219479 Tubing Insulation R 54801513 Harness Assembly R 59520501239 Temperature Control Cover 10 R 44812211 Service Valve Assembly Complete High Side amp Low Side R 44812219 Valve Core only Schrader R 44812220 Service Valve Cap and Seal 11 R 448022
10. VFM3 L2 U4C CoinCo 9302 LF USD L701 USQ L701 BA32SA 9302 GX BA32R USQ G701 BA32R USO G703 USQ L701 TRC 6510 TRC 6512 VN 4510 VN2502 U5M VN2512 U5M BA32SA Conlux USLX 001 01F USLZ 004 01F USLZ 004 01F CCM5G Notes 1 MDB Protocol Use Harness R 28203401 2 Logic Protocol Dumb 3 Executive Protocol Use Harness R 28203301 APi 748 V1 1 406 1 4 P N 77500001 Section 2 Description INTRODUCTION The 748 Showcase Merchandiser has a maximum capacity of 154 items It is capable of 3 level pricing and 3 level discounts controlled through Event scheduling Individual selections can be reserved and sold on specific or multiple shifts The 748 Machine Controller permits individual programming to vend either FIFO First In First Out mode or Shopper mode by shelf See the sections on Options and Service Mode for instructions on setting prices and various options The Message Center uses point of sale messages to help customers make purchases while the 748 Machine Controller collects and accumulates audit information In the event of a system malfunction the 748 Machine Controller saves a history of specific events temperatures and error messages which will help to quickly isolate the problem and return the vendor to service Hot Keys Several hot keys are used to display specific information from the outside of the while the machine is running A hot key sequence is performed by first pushing and hol
11. rotation is inhibited and all credit inputs are disabled This action can be forced immediately or at scheduled times If there is any credit on the machine when such a period is entered it will be returned immediately DISPLAY SHUTDOWN OFF 1 Toggles between ON OFF and PER Schedule 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice If you choose PER Schedule go to the Set Schedules menu 7 0 Sold Out Check 2 6 When turned on the 748 will prompt the operator to check all Delivery Doors for signs of tampering DISPLAY SOLD OUT CHECK OFF 1 Toggles between ON and OFF 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice NOTE See section two for option description of Sold Out Check Force Vend 2 8 Turns the Force Vend option on and off DISPLAY FORCE VEND OFF Key Function 1 Toggles between ON and OFF 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice APi 748 V1 1 406 Free Vend Odds 2 9 Set or change the odds that determine when a customer may win a free vend DISPLAY FREE VND ODDS OFF Key Function 1 Increments Odds from OFF to 3000 by 50 2 Decrements Odds from 3000 to OFF by 50 0 Saves choice and returns to the top of t
12. the service mode RESET Returns to the top of the service mode without saving choice P N 77500001 Pressing the 4 Key from Service the display will prompt History HISTORY 2 View the Error log 1 View the History log 5 Clear the History log 3 View the Temperature log 7 Clear the Temperature log 6 Clear the Error log 9 Print a selected log APi 748 V1 1 406 3 12 P N 77500001 Pressing the 4 Key from Service the display will prompt History KEY 4 History This menu contains the Machine History Log Error Log and Temperature Logs The operator may view clear or print logs from this menu Each function in this service menu requires a two key entry to run the first key is 4 and the second key is one of the following 1 View the History log 2 View the Error log 3 View the Temperature log 4 Not used 5 Clear the History log 6 Clear the Error log 7 Clear the Temperature log 8 Not used 9 Print a selected log 0 Not used View History Log 4 1 This feature allows the operator to view the last 50 events in the History Log DISPLAY xx z logged event xx is the event number logged event is the event 1 Scrolls forward through History Log 2 Scrolls backward through History Log 3 Toggles between event and time date of the event RESET Returns to the top of the service mode History Log Detailed When the log is
13. 2 See Error Messages below for further information on specific error messages ERROR MESSAGES Whenever a condition exists such that accepting money and making a vend cannot be accomp lished the 748 will go out of service and an error message is stored in the Error History Log When the coin door is ERRORS EXIST is displayed on the Message Center The process on how to view current errors is on page 3 2 Below is a list of possible error messages HISTORY LOG MESSAGES There are two types of history events Shutdown system events and non shutdown system errors A History message will be logged whenever a significant event occurs such as MAIN DOOR OPEN or POWER UP TIME See Chart on page 4 15 for a full description of History messages Some events will cause the machine to go out of service but the machine will recover when the condition is no longer present These events will be recorded in the History log See troubleshooting chart to diagnose these problems A non shutdown error will cause some portion of the machine to fail but not affect the overall operation For example the Bill Validator could go out of service but the Coin Mech continues to operate The machine will not be shutdown but a History Event will be logged When the coin door is opened CHECK HISTORY LOG is displayed on the Message Center if an event that requires operator attention has been logged A list of History mes
14. 44812901 Storage Shelf 4 12 R 54801901239 Shelf and Reinforcement Divider W A Black 1 13 R 54800460 Liner Retainer RH 1 14 R 44844004 Shelf Mounting Bracket 2 15 R 44812308 Turret Tray Screen 1 16 R 44812306239 Rear Exhaust Screen back of Cabinet 1 17 77400007 Data Plate 748 115 V 60 Hz 1 18 R 90700928 Warning Label Tighten Screws 1 19 R 54800311239 Refrigeration Unit Cover RH 1 R 74801200 Refrigeration Unit Assembly 120 V Domestic see Ref Page 6 27 R 74821500 Refrigeration Unit Assembly 220 V Export see Ref Page 6 29 20 R 40801316309 Assembly Leg includes Leveler 4 R 80715712 Bolt 1 4 20 x 3 4 SEMS Hex Head 12 21 R 40800352 Leveler Only 4 22 R 74801800 Power Supply Final Assembly see Page 6 17 1 R 54801524239 Power Supply Cover 1 23 R 54801321239 Hinge and Pin Assembly RH 1 R 93400199 Screw 2 24 90702217 Label Service Switch Instructions 1 25 R 90702193 Label Caution Power Supply 1 26 R 54801322239 Hinge and Pin Assembly LH 1 R 93400199 Screw 2 APi 748 V1 1 406 6 15 P N 77500001 Cabinet Final Assembly Continued from Page 6 19 Key Part Number Description Qty 27 R 44800935 Door Stop Chain R 93400484 Screw 28 R 90701094 Label High Voltage 29 R 54800342239 Refrigeration Unit Cover LH R 54801424 Line Filter Assembly export only R 93805000 Line Filter export only R 25166910 Terminal Block export only R 54800524 Fi
15. 91100035 Eyelet 11 17 R 28217001 Compression Spring 11 18 R 28218201 Solenoid Assembly Sealed Coil Only 11 19 R 92100170 Screw 6 32 x 3 16 Machine 22 20 R 28218401 Switch both amp Harness Assembly 11 21 R 80500508 Screw 2 56 x 1 2 PRH SEMS 44 22 R 00030762 Nut Twin 22 APi 748 V1 1 406 6 27 P N 77500001 Refrigeration Unit 120 V Domestic 5 Bot 8 Control Box Assem 18 19 20 12 10 1 16 See Detail 6 15 1 Internal View of Control Box Assembly APi 748 V1 1 406 6 28 P N 77500001 Refrigeration Unit 120 V Key Part Number Description Qty R 74801200B Refrigeration Unit Assembly Complete R404a 120 V 60 Hz Ref R 44812209239 Refrigeration Unit Base and Stud Assembly R 54801214 Compressor R404a 120 V 60 Hz R 54821564 Condenser Coil Assembly R 44802225239 Condenser Unit Assembly Shroud 44802246 Drip Tray 6 R 54821565 Condenser Fan Assembly R 54821567 Condenser Fan Blade R 44801228 Condenser Fan Motor R 44802215 Condenser Fan Mounting Bracket 738 41 Nut 1 4 20 Fan Assembly Mounting 7 R 44802247239 Evaporator Cover 8 R 44812212B Air Return Housing Assembly R 44802243 Gasket only Air Return Housing 9 R 54801204B Thermostat and Cover Assembly R 44801829 Thermostat R 70219479 Tubing Insulation R 54801513 Harness Assembly R 59520501239 Temperature Control
16. Center Display should change to MACHINE OK If other messages appear than those listed above refer to page 3 2 to process those messages then proceed to the next step 13 Check that all fluorescent lamps are illuminated 14 Check the Service Switch operation by rotating the turret one full rotation 15 Close the main door 16 Ensure that both the LEDs on the 748 Machine Controller are lit 17 Perform a full initialization to reset the machine to factory default settings a Press MODE switch if Display does not read SERVICE MENU b In the Service menu press 0 0 1 0 C After each key press the display will show DIAGNOSTICS FULL INITIALIZATION NO FULL INITIALIZATION YES NOTE The main door must be closed to prevent an error message from occurring 18 Program the Cash System Type for the type of coin changer and or bill validator you will be using see page 3 7 of Section 3 19 Power the 748 OFF then back ON 20 Finish setting up the Cash System options see Section 3 21 Ensure the RL Tx LED on the Credit Module is flashing Ensure the STATUS LED on the Credit Module is operating correctly refer to Credit Module Indicators in Section 4 22 Set up prices and options see Section 3 Micro Mech Pulse Validator 24 V Executive MDB Coin Mechanism MDB Bill 24V 15 Validator TRC 6010XV VN4010XV VN2502 U5E VN2512 U5E VFM1 L2 U4C
17. Do full initialization cycle power several times to verify RAM checks are OK Replace Controller DRIVER OVER TEMP Turret Driver on Refrigeration Turret Check for short or low DC resistance to Module is reporting an overheat turret motor condition Replace Refrigeration Turret Module MTR OVER CURRENT Turret motor draws too much Check for product jammed in turret current or turret motor driver Check harnessing for shorts Check turret for binding Check drive shaft and bearing for binding Replace turret motor Replace Refrigeration Turret Module APi 748 V1 1 406 4 11 P N 77500001 HISTORY EVENTS Event Description and Solutions DEFAULS LOADED When Controller performed Full Initialization MAIN DOOR OPEN When the Main Door was opened MAIN DOOR CLOSE When the Main Door was closed POWER UP TIME Time at which power was restored to machine POWER DOWN TIME Time power was lost to machine PRC BD NO COMM Center Price Display board lost RL communication See PRC BD NO COMM error in this section KPD BD NO COMM Keypad Display Message Center lost RL communication See KPD BD NO COMM error in this section TRT BD NO COMM Refrigeration Turret Module lost RL communication See TRT BD NO COMM error in this section CDT BD NO COMM Credit Module lost RL communication See CDT BD NO COMM error in this section COMM RESTORED T
18. Set prices and shelf parameters 4 View and or print history logs 5 Set cash system type and options 6 Not used 7 Set up 748 machine parameters 8 Display print download audit data DEX 9 Security 0 Diagnostics The remainder of this section describes how the keys are used in each service mode function with a quick summary of the function itself For a more complete description of a specific function refer to the section where that function s operation is described P N 77500001 Pressing the 1 Key from Service the display will prompt the coin mech inventory 1 Key Increments the value of coins in the tube 5 Key Dispenses 1 coin from tube 6 Key Dispenses 274 coin from tube 0 Key Scroll through the tube denominations 2 Key Decrements the number of coins in a tube 7 Key Dispenses 3 coin from tube 8 Key Dispenses 4th coin from tube if available Not available if using an MDB coin mech with the tube sensing option set to Auto APi 748 V1 1 406 P N 77500001 Pressing the 1 Key from Service the display will prompt the coin mech inventory KEY 1 Coin Tubes The purpose of this function is to allow the operator to inventory and adjust the number of coins in the coin tubes Note When an MDB coin changer is installed and the TUBES option is set to AUTO this function will show the number of coins in the tubes but will not allow manual changes T
19. Setting this option to LEVEL will cause the tube counts to be adjusted based on the coin tube level sensors If a coin tube count is greater than 4 and that tube sensor uncovers the count will be adjusted to 4 Similarly if a coin tube count is less than 4 and that tube sensor is covered the count is set to 4 NOTE Some coin changers will not dispense a coin even when commanded to do so In this case the tube counts in the 748 will become corrupt and a customer may get short changed Before using the COUNT Tube Sensing option be sure the coin changer will operate its dispensing mechanism regardless of the number of coins in the tube especially when the tube is almost empty DISPLAY TUBE SENSING LEVEL 1 Toggles between LEVEL and COUNT 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving APi 748 V1 1 406 3 20 Card Reader If card reader is connected set to YES otherwise set to NO DISPLAY CARD READER NO 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Bill Validator If Bill Validator is connected set to YES otherwise set to NO D
20. compartment has already been sold OPEn This indicates the door to this compartment is unlocked and the item can be removed This indicates that the turret is not lined up with the delivery door or that this item is reserved for another shift This is displayed on each compartment that has been sold during the Sold Out Check operation This is displayed on each sold compartment that has been cleared during Sold Out Check operation AVAIL This indicates which items are available for purchase when a token is inserted into the bill acceptor and tokens are not set up as a cash value See Token Options in Section 3 748 V1 1 406 2 7 PROGRAMMABLE OPTIONS The 748 has several programmable options Some options can simply be turned on or off where other options can be scheduled to turn on or off at programmed times Below is a summary list of the options available in the 748 Settings listed in bold are the default settings Further in this section are descriptions of each option what it does and how to set it up See Section 3 for specific key commands to set specific option parameters OPTIONS POSSIBLE SETTINGS Free Vend On or Off Sold Out Check On or Off Force Vend On or Off Random Free Vend 1 or Off Shutdown On Off or PER SCH Multiview On Off or PER SCH Discount Off or PER SCH Sell by Shift Off or PER SCH Pricing Normal or PER SCH Show Sold Off or On OP
21. connector at P4 of the Refrigeration Turret Control Board 9 Slide the power supply to the right to remove it from the hinges Set the power supply aside 10 Remove the screws securing the front mounting bracket holding the refrigeration unit 11 Unlatch the left and right side refrigeration unit levers 12 Slide the entire refrigeration system forward 13 Clean out any debris in the air return housing 14 Blow out and clean the condenser coil assembly 15 Blow out and clean the cabinet rear exhaust screen CLEANING SCHEDULE FOR APi 748 Showcase Merchandiser TASK Each Visit Monthly Every 6 Every 12 months months Unit interior spilled or leaking product Unit Exterior fingerprints dirt etc Coin Mech and Bill Acceptor X Door Fan filter X Clean air inlet screen X Exhaust Screen Refrigeration system X More frequent cleaning may be required if location is dusty dirty or has a high level of floating particles APi 748 V1 1 406 5 3 P N 77500001 Door Trim amp Panels Door Exterior Message Center Door Interior 6 6 6 1 62 64 Lower Main Door Coin Mech Compartment Coin Mech Door Assembly 6 10 6 12 d Power Supply Main Power Switch Turret Bottom 6 18 6 20 6 24 Turret Drive amp Roller Refrigeration Unit 120V Refrigeration Unit 220V 6 25 6 28 6 30 Credit Module Talker Module 6 34 6 35
22. controller Check plugs and harnessing Replace top Price display Board CM NO COMM No communication with the coin mech Recycle power Check plugs and harnessing Check for correct cash system type setup Replace Coin Mech Replace Credit Module CM TUBE FAULT Defective coin tube sensor Re seat coin magazine Replace Coin Mech CM COIN JAM Coin lodged in coin mech Check Coin Mech for jam Clean Coin Mech Replace Coin Mech HEALTH TIME OUT Food compartment Temporary loss of power or loss of temperature exceeded maximum health temperature for more than 15 History Serial communication to Turret minutes Module Check Logs Refrigeration Unit not plugged in Dirty filter screen Dirty condenser Machine too close to the wall Main door latch adjustment too loose Excessively high ambient temperature Faulty Temp Sensor Faulty Refrigeration Turret Module Replace Faulty Refrigeration Unit BAD TEMP PROBE APi 748 V1 1 406 Temperature reading from the sensor is out of normal range Check plugs and harnessing Replace temperature sensor Replace Refrigeration Turret Module 4 10 P N 77500001 Error Message Error Description Possible Cause and Solution MAIN DOOR OPEN Main door detected open when the coin door was closed Check switch adjustment plugs and harnessing Replace switch Check switch inputs see Inputs in Section 3 If bad replac
23. deflector 7 Place your fingers on the temperature sensor to raise the temperature above 75 F Use the Message Center to monitor the temperature 8 When the temperature rises above 80 F Press the following keys RESET 0 3 1 0 Display will be SERVICE MENU DIAGNOSTICS HEALTH TEST OFF HEALTH TEST ON SAVING SERVICE MENU 9 Close the Coin Compartment Door Leave the Main Door opened The Main Door Switch being pulled out prevents a Main Door error 10 Press hot key 2 the display should show HEALTH CONTROL ON 11 Use hot key 1 to monitor the temperature The temperature must not fall below 41 F If it does the test in invalid and must be run again 12 The 748 should go out of service within 20 seconds P N 77500001 HEALTH TEST 0 3 continued 13 Open the Coin Compartment Door and verify the error message is HEALTH TIMEOUT At this time save CLEAR ERRORS YES 14 Replace the evaporator screen 15 Close the Main Door 16 Close the Coin Compartment Door 17 Test and verify the machine returns to the operating mode Software Version Numbers 0 4 This diagnostic will display the version numbers of the software on the control boards DISPLAY CONTROL MODULE xx xx 1 Scrolls through the software versions RESET Returns to the top of the service mode The display will show the following for each module CONTROL MODULE xx xx CREDIT
24. displayed on the Message Center the most recent event recorded will be displayed If the log is full the log entry number will be 49 otherwise the log entry number will be the same as the number of entries in the log As more entries are recorded the oldest entries are discarded so only the most recent 50 remain in the log When the History Log is displayed it requires two lines on the display The first line shows the log number and the event and the second line shows the time and date it was logged Example of history log entry displayed 6 POWER UP TIME Push key 3 to display line 2 6 8 05AM 1 05 01 APi 748 V1 1 406 3 13 Example history log printout see 4 9 AUTOMATIC PRODUCTS 748 VER HISTORY LOG 11 46 FRI 01 05 2001 8 37AM 1 02 01 DEFAULTS LOADED 10 36AM 1 02 01 POWER DOWN TIME 10 41AM 1 02 01 POWER UP TIME 12 42PM 1 02 01 MAIN DOOR OPEN 12 45PM 1 02 01 MAIN DOOR CLOSE 4 23PM 1 04 01 POWER DOWN TIME 8 05AM 1 05 01 POWER UP TIME Error Log 4 2 This log contains a list of errors the machine has detected This log includes the last 20 errors DISPLAY xx z logged error Xx is the event number 1 Scrolls forward through Error Log 2 Scrolls backward through Error Log 3 Toggles between error and time date the error occurred RESET Returns to the top of the service mode Error Log Detailed When the log is displayed on the Message Center the most recent error recorded will be displa
25. in the 748 and reports the temperature to the 748 Machine Controller It also drives and monitors the turret motor and half cycle switch as commanded by the Machine Controller Main Power Switch Assembly This assembly is located in the bottom left corner of the cabinet It houses the Main Power ON OFF switch along with the Refrigeration Interlock Power Switch a switch which opens the refrigeration circuit to prevent frost buildup whenever the main door is open It also contains two circuit breakers to protect the machine from an overload APi 748 V1 1 406 2 4 Service Switch This switch is located along the inside edge on the hinge side of the Main Door It is momentary rocker switch that can be used to rotate the turret when cleaning or filling the machine with product Main Door Interlock Switch This switch is located on the inside of the main door near the cash box It will open when the main door is open or ajar This switch must be closed when the coin mech compartment door is closed to prevent an error Storage Shelf Assemblies A four shelf storage rack is located along the right wall of the cabinet This rack is intended to store nonperishable pre cooled products to be used at the next servicing Turret The turret can be rotated in both directions using the turret rotate keys on the Message Center At each subsequent power up the turret automatically rotates until the 748 Machine Controller senses that the tur
26. line voltage is below 105 volts for 115 VAC units or 208 volts for 220 240 VAC units the compressor may fail to start 2 If the line voltage is correct check the automatic control thermostat operation connecting a jumper wire across the terminals with the power disconnected Power back on and verify if compressor runs 3 The Start Capacitor Run Capacitor and Start Relay are best tested by substituting them with known good components This way there can be no doubt of the test results 4 Check the Thermal Overload for continuity 5 Check the compressor motor windings with a Volt Ohm meter Set the meter on the R x 1 scale Readings should be within 1096 of listed Test Points 115Vac 230Vac Common to Start 5 ohms 11 ohms Common to Run 1 ohm 2 ohms Start to Run 6 ohms 8 ohms 6 Check for grounded winding with the Volt Ohm meter attached between the Start and the metal casing of the compressor There should be no P N 77500001 continuity If so replace the compressor Repeat for the Run side of the compressor 7 Check the high pressure cut out switch for continuity It is located on the compressor discharge line CAUTION The Refrigeration Unit contains R404a under high pressure Refrigerant contact with skin should be avoided and protective eyewear must be worn Repairs should only be attempted by qualified technicians trained and skilled in accepted refrigeration techniques and procedures Laws in t
27. proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the Service Mode without saving RESET Returns to the top of the service mode without saving Card Message Set this option to CREDIT to have all of the card s credit shown on the display when the card is entered into the reader Setting this option to PRICE will show on the display the value of max price on the machine or the credit value from the card depending on which is lower Setting this option to MESSAGE will display MAKE SELECTION when the card is entered This option will only appear when the Card Reader option is set to YES DISPLAY CARD CREDIT Key Function 1 Toggles between CARD CREDIT CARD PRICE and CARD MESSAGE 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving APi 748 V1 1 406 3 18 0 Saves choice and returns to the top of the service mode without saving RESET Returns to the top of the service mode without saving Bill Acceptor If Bill Accetor is connected set to YES otherwise set to NO DISPLAY BILL VALIDATOR YES 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Accept Bills This o
28. system is provided see Figure 2 3 This blower can be switched off in low humidity environments to save energy consumption Energy Control The heating element in the Defrost Blower unit is controlled by the Energy Control Relay and is switched off whenever the refrigeration compressor is on The electric heater for the frame of the heated glass window is also controlled in the same manner This system provides adequate protection against window delivery door fogging and at the same time reduces energy consumption REFRIGERATION Electrical The self contained refrigeration system is designed to slide in and out of the 748 as one complete assembly A normal 3 pin AC power cord supplies power to the refrigeration system The evaporator blower runs continuously while AC power is applied regardless of the temperature in the food compartment The condenser fan runs only when the compressor is running The compressor and condenser fan are controlled by a relay on the Refrigeration Turret Module When the main door is opened the Refrigeration Interlock Power Switch opens turning off power to the refrigeration system When the main door is closed the evaporator blower starts immediately but there is a one minute time delay before the condenser fan and compressor will be turned on This delay reduces high torque starting of the compressor due to rapid ON OFF cycling Electronic Temperature Sensor As described above the tempera
29. the turret motor so it can turn The turret interlock relay will be energized when all 11 delivery doors are fully APi 748 V1 1 406 4 3 closed and all 11 latch levers are in the locked position When de energized power is disconnected from the turret motor so the motor cannot turn Power Up Sequence Upon power up the column price display will show 11111 in the top window 22222 in the next window 3s in the next and so on The bottom two windows will show A s and b s respectively The displays will remain unchanged until the 748 Controller initializes the column price displays and sends them a message to display something different The Message Center will display the message 748 DISPLAY Vx xx on power up This message will remain unchanged until the 748 Controller initializes the Message Center and sends a message to display something different When the 748 Controller starts up it turns on the fluorescent lamps in the machine and sends Serial reset messages to all four Serial devices Column Price Display Keypad Display Module Message Center Credit Module and the Refrigeration Turret Module As the power up sequence continues the Message Center will display AUTOMATIC PRODUCTS SHOWCASE MERCHANDISER 748 VERSION ONE MOMENT When the message ONE MOMENT appears on the Message Center all the price display windows will display and the turret will start t
30. 0 Flat Washer 2 2 R 44801033 Housing and Plate and Bearing Assembly 1 R 93400452 Screw Self Tapping 3 3 R 44812105 Lower Plate Weld Assembly 1 R 93400452 Screw Self Tapping 7 4 R 44800081 Roller 8 R 44800090 Shoulder Bolt 8 5 44812107 Roller Guide Plate Weld Assembly 1 6 R 91600091 Grommet 1 7 R 44802001 Ring Turret Lower 1 8 R 44812308 Screen Weld Assembly turret Tray 1 6 25 P N 77500001 Plate Assembly Locks Delivery Door 18 19 16 74 15 13 12 21 22 748 V1 1 406 6 26 P N 77500001 Plate Assembly Locks Delivery Door Key Part Number Description Qty R 28213301B Plate Assembly Locks Ref 1 R 74800412 Door Mechanism Panel 1 2 R 28223301 Harness Assembly Control to Lock Assembly 1 3 R 70121910 Spacer Hex 2 4 R 70233204 Split Bushing 1 5 R 25079802 Lug 11 R 93400151 Screw 8 32 x 1 4 Self tapping 55 6 amp 7 R 28219101 Lock Assembly Complete includes Items 6 22 11 7 28219202 Rail Switch Mounting Bracket 11 8 R 44801403003B Spool amp Spring Assembly 11 9 R 95000338 Washer Flat 22 10 R 28222601 Spring Pin 11 11 R 21357811 8 32 Elastic Stop 11 12 15 R 28224201 Latch Assembly includes items 12 15 11 12 R 28224051 Latch Linkage 11 13 R 28218001 Clevis Pin Assembly 11 14 R 28224701 Switch Actuator 11 15 R 28224401 Lock Mechanism 11 16 R
31. 000584 Coin Insert Gate 1 15 76400000 Coin Mech Compartment Door Rivet Assembly 1 APi 748 V1 1 406 6 13 P N 77500001 Cabinet Final Assembly 4 5 6 7 8 3 10 1 12 13 14 15 16 18 19 L 7 q HHHH HL JATT Hg IEEE eI vA VL E E 37 35 34 33 32 31 30 29 39 38 20 21 24 27 26 25 28 23 36 22 P N 77500001 6 14 APi 748 V1 1 406 Cabinet Final Assembly Key Part Number Description Qty R 54801305 Cabinet Weld Assembly 1 1 R 44801309 Top Pivot Plate 1 R 93400291 Bolt not shown 2 118 51 10 Carriage Bolt not shown 1 438 51 Nut Carriage Bolt not shown 1 620 51 Lock washer 2 2 54800461 Liner Retainer Top 1 3 R 44812883 Magnet and Bracket Assembly 1 R 92900061 Rivet 2 4 R 44802009 Bearing Bracket Hat see Page 6 16 1 R 91600208 Insulator Grommet Type 12 4 R 44802916 Insulation Pivot Mounting Bracket 1 5 R 54800345 Mounting Bracket 1 6 R 54800346 Securing Bracket 1 R 80715708 Machine Screw 1 4 20 x 1 2 Hex Head 2 T R 92600022 Nylon Bearing 1 8 R 54801425 Pivot Pin R A see Page 6 16 1 8A R 92100343 Machine Screw 10 32 x 3 8 Truss Head 4 9 R 44802349 Main Door Latching Hook 2 R 93400199 Hook Mounting Screw 6 10 R 44802333001 Cabinet Liner Black 1 11 R
32. 01 Harness to Price Display Boards P2 R 28202701 Serial link Harness to Credit Module P3 R 74801801 Serial link Harness to Optional Talker Module P4 P5 P6 R 28202501 Harness to Relay Interface Board amp Credit Module P7 P9 R 28223301 Harness to Doors amp Solenoids P8 R 44801591 Harness to Coin amp Main Door Jl R 59301843 RS232 Interface Printer Harness SLUM P2 P3 MODE CO P 748 MACHINE CONTROL 28202001 RL TX 5V P9 1 1 P5 Ke Part Number Description Qt R 28202001 Machine Controller Assembly 1 R 28099904 Board 748 Machine Controller 1 2 R 28205002 Cover 748 Machine Control 1 3 R 80443006 Screw 8 32 x 3 8 4 NS R 70042720 Eprom specify revision 1 APi 748 V1 1 406 6 32 P N 77500001 Refrigeration Turret Control Module Harnesses Connector Part Number Description P1 R 28206302 Harness to Turret Motor amp 72 Cycle Switch P2 P5 R 28206302 Harness Power In amp Serial Link P3 Future Use P4 Harness to Temp Probe i C 5V 0 ROWELINK TX GREEN active _ c 748 REFRIGERATION 8 TURRET CONTROL BL TEMPERATURE SENSOR pres i 1 Key Part miim Qty Number Description R 28201902Refrig amp Turret Control Assembly Complete 1 R 28200102Refrigeration Turret Control Board 1 2 R 282051020Cover Refriger
33. 07 Screw 2 3A R 28202001 Machine Control Board Assembly see Page 6 31 1 3B R 28202102 Credit Module Assembly see Page 6 33 1 3C R 28216101 Controller Mounting Plate 1 4 R 44801417 Main Door Latch Assembly 2 R 93400307 Screw 8 5 R 28216001 Message Center Stop Assembly 1 6 R 44812416 Lever and Actuator Assembly to Coin Return 1 R 44802457 Actuator Assembly Lever to Coin Mech Door 1 R 44802459 Lever Mounting Bracket 1 R 44802458 Coin Mech Roller Actuator Lever 1 R 13300481 Lever Return Spring 1 R 44802480 Lever Pivot Step Washer 1 R 934 00307 Lever Pivot Screw 1 7 44802563 Coin Mech Position Bracket 1 8 R 44800418 Locking Hook 1 9 R 44802560 Nest Stop Link 2 R 44802562 Link Pivot 2 10 R 44812468 Coin Mech and BA Mounting Nest w spring 1 R 44812473 Rivet and Weld Assembly Nest 1 R 13200069 Latch Spring Only not shown 1 12 R 44812402 Coin Chute W A to Coin Return Cup 1 13 R 44802559 Coin Mech Nest Pivot Shaft 1 14 R 44812470 Coin Chute W A to Cash Box 1 19 R 44800485 Locking Bracket Bottom 1 16 R 22109601 Coin Mech Keeper 1 17 R 44802469 Pivot CBA Bracket 1 18 R 28220401 Coin Mech Socket Mounting Plate Assembly micromech 1 R 54800435 Coin Mech Socket Mounting Bracket 1 R 28203201 Harness Board to Coin Mech Socket micromech 1 R 90900022 Drive Pin 073 x 1 1 R 97500549 Nylon Tie Type 16 1 R 92400177 Nut 1 R 54800499 Coin Mech Plug Retainer Large 1 R 44802477 Coin Mech Plug Retainer Small 1 R 40800431 Torque Knob not
34. 100309 Machine Screw 8 32 x 1 R 95000052 Washer 8 Flat 438 8 Nut 8 32 KEPS R 54801314 9 R 44806022 Coupling Kit Coupling Assembly Back R 44800086 Coupling m j j m j iK LIm APi 748 V1 1 406 R 94700020 Socket Screw 10 32 x 7 8 R 95000010 Washer 10 Lock R 44800096 Height Adjustment Pin not shown 10 R 44800041 Bearing Plate 11 R 93400199 Screw S T 10 x 3 8 Type Z 12 R 54801838 Turret Motor and Half Cycle Switch Harness 13 R 91300031 Fuse Holder R 91200015 Fuse 3 2 Amp SLO BLO Type MDL 3 2 13 Fuse Holder 6 23 P N 77500001 Turret Components Bottom Key Part Number Description Qty R 44812601 Main Plate Assembly 1 R 44800095 Turret Drive Cam Molded 14 R 93400492 Screw S T 8 x 5 8 Type Z Truss Head 56 2 R 44802002 Turret Ring Air Sealed 1 R 93400154 Screw S T 8 x 3 8 Type Z 5 3 R 44802600239 Main Turret Plate Black 1 4 R 44800606239 Shelf Retainer Black 7 APi 748 V1 1 406 6 24 P N 77500001 Turret Drive amp Roller APi 748 V1 1 406 Key Part Number Description Qt 1 R 44801028B Drive Shaft and Bearing Assembly 1 R 44800061 Cam Follower 2 R 44801029 Drive Arm 1 R 92400064 Nut 2 R 9500009
35. 15 COIN MECH PROBLEMS If the machine has been set up with a coin mech selected and the free vend option is off then the Coin Mech must be installed and operating On power up and each time the coin compartment door is closed except with Exec Mechs the 748 Control attempts to communicate with the Coin Mech If a valid message is not received the machine will go out of service with the error CM NO COMM See DOES NOT ACCEPT COINS in the Troubleshooting Chart later in this section for more information on troubleshooting this problem POWER UP INITIALIZATION APi 748 V1 1 406 4 5 The 748 Main Controller Board features 8 Kbytes of battery backup RAM enabling the software to remember prices machine option settings and MIS information if power to the 748 is interrupted for any amount of time The advertised approximate life of this battery is 10 years When power to the machine is restored the prices options and MIS information are the same as when the power was lost Each time the 748 Main Controller is powered up three tests are executed to determine if initialization is necessary One test examines two memory locations for a specific test pattern One test performs a memory checksum calculation on the 748 Main Controller battery backup RAM One test performs a memory checksum calculation on the 748 Main Controller EPROM If the test pattern test fails a software initialization will take place All option
36. 4 Set Sell by Shift Mode 6 Set Sold Out Check Mode 5 Set Shutd em 3 Set Multiview Mode et Shutdown Mode 9 Set Winner Odds 8 Set Force Vend 0 Set Free Vend APi 748 V1 1 406 3 6 P N 77500001 Pressing the 2 Key from Service the display will prompt Options KEY 2 Options This menu allows you to set the the options available on the 748 Each function in this service menu requires a two key entry to run the first key is 2 and the second key is one of the following 1 Set pricing mode 2 Set discount mode 3 Set multiview mode 4 Set sell by shift mode 5 Set shutdown mode 6 Set sold out check mode 7 Not used 8 Set force vend mode 9 Set winner vend odds 0 Set free vend mode Free Vend 2 0 When this option is turned on the machine will vend for free DISPLAY FREE VEND NO 1 Toggles between YES and NO 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice Pricing 2 1 When this pricing option is set to Per Schedule it allows merchandise to be sold at different prices at preset times DISPLAY PRICING NORMAL 1 Toggles between NORMAL and Per Schedule 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice If you choose Per Schedule go to the Set Schedules menu 7 0 APi 748 V1 1 406
37. 42 Evaporator Output Gasket 12 R 54821578 Evaporator and Bracket Rivet Assembly 13 R 44812222 Evaporator Blower and Bracket Assembly R 54801855 Blower Motor only R 59521544 Squirrel Cage only R 44802248239 Bracket Blower R 91600207 Insulator Grommet R 44802264 Motor Gasket R 44802244 Evaporator Blower Gasket 14 R 54821537 Control Box Assembly R 54821526 Start Relay R 93601006 Start Capacitor 72 88 MFD R 93601007 Run Capacitor 25 R 44802821 Capacitor Clamp R 44802817 Control Panel Base R 44802818 Control Box Cover R 54821540 Evaporator Fan and Condenser Fan Harness R 54821548 Compressor Power Cord R 44812867 Compressor Cold Control Harness R 54821556 Compressor Harness R 54804506 Snubber Harness R 59801886 Snubber ASM in Control Box 15 R 44802241 Refrigeration Unit Securing Lever R 44802249 Lever Pivot Bushing R 95000030 Washer R 92100193 Screw 16 R 59521513 Drier Type 032S 17 R 70725101 Pressure Switch 18 R 28204701 Temperature Sensor Circuit Board Assembly 19 R 70500006 Circuit Board Support 20 R 28203701 Temperature Probe Harness APi 748 V1 1 406 6 31 P N 77500001 Cco NAINDNDMNDN LLIL KMI j jc nP NMPKNPKN LLIBL LLALALAjLALAL L 5LBLALALALA 748 Control Assembly Harnesses Connector Part Number Description P1 R 282030
38. 5 R 54800468 Air Duct Panel 1 R 54800470 Air Duct Sea 1 6 R 40800511 Trim Cap Top 1 7 76600000 Coin Mech Compartment Door Assembly No Overlay 1 8 R 50001029 Message Center Assembly See Page 6 4 Ref 9 R 54800534 Coin Insert Bezel 1 R 92400156 Bezel Mounting Nut not shown 6 10 17200002 Pop Out Handle Assembly 1 118 10 02 Handle Mounting Carriage Bolt 2 438 8 Handle Mounting Nut 2 11 R 49000470 Coin Return Slide 1 12 R 54800533001 Bezel 1 R 70134133 Bezel Mounting Screw 4 R 54800536 Filler Plate if UBA is removed Alt R 54800537 Backing Plate 1 438 8 Filler Plate Mounting Nut 4 14 660581 Coin Cup FrontAssembly includes Trim Door Pin amp Spring 1 440411 Trim Black 1 440412 Door 1 300212 Pin 1 400108 Spring 1 420144 Ferrule 4 305 8R6 Screw 8 X 3 8 4 15 202810 Coin Cup Only 1 12000348 Security plate to Convert Standard Coin Cup to Security Coin Cup Alt 16600280 Security Coin Cup Alt 16 R 44800575309 Door Stabilizing Leg 1 17 R 40800510 Trim Cap Bottom 1 18 R 54800464 Runner Retainer Extrusion Bottom 1 19 R 28200701 Price Display Assembly Bottom 1 20 R 54800495 Price Display Extrusion 1 21 R 54800410 Glass Extrusion Bottom 1 22 R 44801407309 Rivet Assembly Pivot Plate Bottom 1 R 92100496 Counter Sunk Screw Phillips not shown 4 23 R 54801800 Heated Glass and Gasket Assembly see Page 6 6 1 24 R 54800472 Door Trim LH 1 25 R 28200501 Price Display Assembly Center 1 26 R 28216604 De
39. 7500001 SCHEDULED EVENTS Up to 25 scheduled events may be programmed into the 748 A scheduled event is an option that is turned on and off based on time of day and the day of the week The options that may be programmed as events are SHUTDOWN MULTIVIEW SHIFT 1 SHIFT 2 SHIFT 3 PRICE 1 PRICE2 PRICE 3 DISCOUNT 1 DISCOUNT 2 DISCOUNT 3 Day of the week selections include MON Monday TUE Tuesday WED Wednesday THU Thursday FRI Friday SAT Saturday SUN Sunday WKD Week days Monday Friday ALL Everyday An event is any scheduled change in an option For example Multiview may be scheduled to turn on at 17 00 and turn off at 8 00 Monday through Friday This would be considered one event even though Multiview will be turned on and off each day Monday through Friday To get an option to turn on and off based on a schedule two things must be set up First set the option to PER SCH Second program the event in the event schedule When programming an event in the schedule the event type on time and off time must be set On times and off times can be set to occur on the same day on at 8 00 Monday off at 16 00 Monday on subsequent days on at 8 00 Monday off at 17 00 Friday on every day of the week or on just Monday through Friday 748 V1 1 406 2 9 FIFO Vend Mode The 748 can be set up to vend items on a shelf in a First In First Out FIFO mode Th
40. 95000349 Lock washer 2 4 R 91200049 Refrigeration Unit Circuit Breaker 20 Amps 1 R 91200046 Refrigeration Unit Circuit Breaker 10 Amps 1 Export 5 R 91200050 Vend Power Circuit Breaker 7 Amps 1 R 91200056 Vend Power Circuit Breaker 5 Amps Export 1 6 R 95000110 Washer 2 7 R 44812848 Refrigeration Compressor Switch 1 8 R 54800525 Refrigeration Compressor Switch Actuator Spring Ref not part of this Assembly 9 R 97901275 Refrigeration Power Cord Receptacle 1 R 97901276 Refrigeration Power Cord Receptacle Export 1 10 R 30749002 Vend Circuit Harness Plug Socket 1 11 R 44802815239 Switch Panel w Silkscreen 1 R 54821535239 Switch Panel w Silkscreen Export 1 12 R 55001875 Harness Wire set Power Assembly not shown 1 APi 748 V1 1 406 6 21 P N 77500001 Turret Drive Motor Cabinet Shelf 44800071 54801815 Viewed from Bottom APi 748 V1 1 406 6 22 P N 77500001 Turret Drive Motor Key Part Number Description Qty R 54801814B Drive Motor Switch and Plate Assembly 1 R 4480007 1 Drive Motor Mounting Plate 2 R 54801815 Drive Motor and Gear Box Transport 3 R 54800011 Switch Mounting Plate 4 R 92100211 Machine Screw 10 32 x 1 R 87844400 Nut 10 32 5 R 93900954 Fishpaper Insulator 6 R 42104503 Transport Motor Switch Half Cycle R 93400210 Screw 4 40 x 5 8 Type 23 7 R 44800087 Switch Actuator Cam 8 R 92
41. 9600 1 Scrolls through the available choices 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Language 7 9 Choose the language used on the machine display in the operating mode Service mode messages will remain in English DISPLAY LANGUAGE ENGLISH 1 Scrolls through the available choices 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving P N 77500001 SET UP Continued Set Schedules 7 0 This option allows the operator to set the ON and OFF times for those events that run on schedules such as MultiView Discounts Prices and Shifts Events are selected using three different lines The first line defines the event number and the event type The second line sets the ON time of the event The third line sets the OFF time of the event All three lines must be properly set up or the programmed event may not work as desired Schedules may be printed by using the Print Logs function in the History menu under KEY 4 of the Service Mode DISPLAY EVT xx NO EVENT xx is the event number 0 24 1 Cycles forward through the events 2 Cycles backward through the events Increments the event number 6 Decrements the event number 7 Advances to display ON time 9 Resets the event to NO EVENT RESET Returns to the top of the service mode DISPLAY EV
42. AUTOMATIC PRODUCTS international Itd Showcases OPERATING MANUAL PARTS MANUAL PLEASE DO NOT REMOVE MANUAL FROM MACHINE AUTOMATIC PRODUCTS internat ional ltd A Higher Standard 75 West Plato Boulevard e St Paul Minnesota 55107 2095 APi 748 V1 1 406 P N 77500001 Fast Track Links Description Service Modes Troubleshooting Maintenance Parts Drawings APi 748 V1 1 406 P N 77500001 APi 748 V1 1 406 Section 1 Warranty 1 4 How to use manual 1 2 Installation 1 3 1 4 Section 2 Description Introduction 2 1 2 3 Major Components 2 4 2 5 Operation 2 6 2 7 Programmable Options 2 7 2 10 Section 3 Service Mode Introduction 3 1 Service Mode Map 3 2 Accessing Service Modes 3 3 Coin Mech Inventory 3 4 3 5 Options 3 6 3 8 Price Shelves 3 9 3 11 History 3 12 3 15 Cash System Type 3 16 3 21 Set Up 3 22 3 25 Audit Data 3 26 Security Code 3 27 3 28 Diagnostics 3 29 3 33 Section 4 Troubleshooting Introduction 4 1 Control Systems 4 1 4 3 Boards 4 1 Serial Communications 4 1 Indicator LEDS 4 2 4 3 Printer Set Up 4 4 Error Messages 4 4 History Log 4 4 Turret Motor Errors 4 5 Power Up Initialization 4 5 Refrigeration 4 6 4 9 Error Messages 4 10 4 11 History Events 4 12 Troubleshoot
43. Assembly 1 R 93400307 Screw 2 11 R 44800935 Door Restraint Chain 1 12 R 28202201 Ballast Assembly 60 Hz 120 VAC 1 13 R 44800857 Filler Panel 2 14 R 28204901 Adaptor Bracket Blower 1 R 93400307 Screw 4 15 R 28211701 Blower Filter 1 16 R 28222901 Defrost Blower Assembly 1 17 R 28211101 Blower Assembly Cover 1 R 93400307 Screw 9 18 R 30785702 Rocker Switch DPST 1 1 R 44804622 Heater Assembly 1 R 28224001 Heater Bracket 1 20 R 28214702 Thermostat and Terminals 1 R 00706503 Insulation Tubing 10 5 in 2 21 R 90702034 Heater Blower Switch Label 1 22 R 44802495 Plate 1 23 R 28204301 Blower Harness Assembly 1 24 34802 1 Cable Clamp 1 1 25 R 70093401 Cable Clamp 1 2 1 26 R 28212301 Blower Mounting Bracket 1 27 R 28211501 Enclosure Box 1 28 R 28211801 Blower Assembly 1 R 28212501 Blower Motor Only 1 29 R 28224601 Blower Mounting Plate 1 R 93400307 Screw 13 APi 748 V1 1 406 6 9 P N 77500001 Coin Mech Compartment 2 3C 3A 3B 13 17 14 15 19 P N 77500001 6 10 APi 748 V1 1 406 Coin Mech Compartment Key Part Number Description Qty 1 R 44801591 Coin Mech Door Interlock Switch 1 R 54800810 Switch Mounting Bracket 1 2 44800487 Locking Bracket 1 R 934003
44. Cover 10 R 44812211 Service Valve Assembly Complete High Side amp Low Side R 44812219 Valve Core only Schrader R 44812220 Service Valve Cap and Seal 11 R 44802242 Evaporator Output Gasket 12 R 54821578B Evaporator and Bracket Rivet Assembly 13 R 44812222B Evaporator Blower and Bracket Assembly R 54801855 Blower Motor only R 59521544 Squirrel Cage only R 44802248239 Bracket Blower R 91600207 Insulator Grommet R 44802264 Motor Gasket R 44802244 Evaporator Blower Gasket 14 R 54801895B Control Box Assembly R 44812849 Start Relay R 93601002 Start Capacitor 72 88 MFD R 93601003 Run Capacitor 25 R 44802821 Capacitor Clamp R 44802817 Control Panel Base R 44802818 Control Box Cover R 54801896 Evaporator Fan and Condenser Fan Harness R 54801899 Compressor Power Cord R 54801897 Compressor Cold Control Harness i R 54801501 Compressor Harness R 54801886 Snubber ASM in Control Box K 4 4 m O M M Sf SS M Ma M l Ma lM NO NO RO f Mad M Sf 15 R 44802241 Refrigeration Unit Securing Lever R 44802249 Lever Pivot Bushing R 95000030 Washer R 92100193 Screw 16 R 59521513 Drier Type 032S 17 R 70725101 Pressure Switch 18 R 28204701 Temperature Sensor Circuit Board Assembly 19 R 70500006 Circuit Board Support 20 R 28203701 Temperature Probe Harness
45. ISPLAY BILL VALIDATOR YES 1 Toggles between YES and NO 5 Save choices and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Decimal Point Position This option is only valid when a coin changer is not configured The coin changer determines the price multiple and decimal point position When a coin changer is not configured this option will allow setting of the decimal point position DISPLAY DECIMAL PT POS 00 1 Scrolls the decimal point forward through the available positions 2 Scrolls the decimal point backwards through the available positions 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving P N 77500001 Cash System Type DUMB MECH Continued Price Multiple This option is only valid when a coin changer is not configured The coin changer determines the price multiple and decimal point position When a coin changer is not configured this option will allow setting of the price multiple DISPLAY PRICE MULTIPLE 05 1 Scrolls forward through the available price multiple settings 2 Scrolls backwards through the available price multiple settings 5 Saves choice and proc
46. MODULE xx xx DISPLAY MODULE xx xx PRICE MODULE xx xx TURRET MODULE xx xx TALKER MODULE xx xx If a module is not responding the version number displayed will be If the Talker Module is not installed the version number will displayed will be 00 00 Log to Printer 0 5 This feature enables or disables the logging of temperatures to the printer See Log To Printer under Diagnostics in Section 4 for more information DISPLAY LOG TO PRINTER OFF 1 Toggles between OFF and ON 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode APi 748 V1 1 406 3 31 The Log To Printer diagnostic is used to print food compartment temperatures and compressor status on a printer This is useful for watching the refrigeration system The 748 Machine Controller will send one line to the printer every minute until the Log To Printer diagnostic is turned off Each line consists of a compressor status indicator followed by the food compartment temperature followed by graphic representation of temperature If the compressor status indicator shows C the compressor is running otherwise it is not running Example C 41 i Driver Test 0 6 The driver test diagnostic is used to help troubleshoot the delivery door drivers the lock assemblies and the turret interlock circuit See test details on next page DISPLAY DRIVER TEST SEQUENCE 1 Toggles be
47. O NOT use less than 16 gauge wire or switches rated less than 15 amps DO NOT connect the jumper wire or switch while power is ON Connecting the black wire to the YL BK wire closed the refrigeration circuit When the YL BK wire is hot the condenser fan and compressor will start to run Until the compressor rotor shaft reaches a minimum running speed the start relay contact Terminal 1 amp 2 will remain closed This allows the Start Capacitor to draw high current through the Start Winding This creates a high torque at the rotor shaft in order to accelerate the Compressor under load As the rotor comes up to speed the voltage on the Start Relay coil Terminal 2 amp 5 will rise When the minimum running speed is attained the Start Relay coil will energize and open the circuit to the Start Capacitor When repairing the refrigeration unit only use EXACT replacement parts for the Start Relay Run and Start Capacitors Failure to do so will void the warranty Please note the placement of the Start Relay and the Control Box Both must be returned to the proper orientation Altering the mounting position for either of these parts will change the starting voltage Relay Run and Start Capacitors P N 77500001 BACKUP REFRIGERATION UNIT Refer to 748 System Schematic for refrigeration and backup system Refer to Refrigeration Turret Module Schematic for Dead Man Circuit diagram Normal Operation The Refrigeration Turret Module h
48. OL TURRET C INTERLOCK LAMP POWER HEAT STRIP HEATED GLASS 28201801 RELAY INTERFACE BLOWER ASSEMBLY 2 p 3 BILL VALIDATOR POWER E TO CONTROLLER TO CABINET Key Part Number Description Qty R 28201801 Relay Interface Board W Cover Complete 1 R 28201302 Board Relay Interface 1 2 R 28202402 Cover Relay Interface 1 3 R 80682406 Screw 8 32 x 3 8 5 APi 748 V1 1 406 6 35 P N 77500001 Talker Module Assembly Optional Kit Harnesses Connector Part Number Description P1 R 74801801 Serial Link From Machine Control Module 1 3 2 SECTION A A Key Part Number Description Qty R 28223501 Talker Module Assembl 1 R 28223101 Board Talker Module 1 2 R 28223401 Cover Talker Module 1 3 R 80682406 Screw 6 32 x 3 8 Hex SEMS WHM Nickel 4 APi 748 V1 1 406 6 36 P N 77500001
49. Position mens E Refrigeration Unit behind panels Refrigeration Turret Module APi 748 V1 1 406 2 3 77500001 MAJOR COMPONENTS 748 Machine Controller The 748 Machine Controller controls and monitors the 748 s performance It also keeps track of real time controls the vend process monitors food compartment temperatures stores prices option settings and scheduled events records specific events and error messages accumulates cash and sales data controls the other four major components Message Center Credit Module Column Price Displays Refrigeration Turret Module Message Center The Message Center contains a 20 character vacuum fluorescent display for customer messages and prompts turret rotation keys and selection number keys The selection number keys are also used in Service Mode to perform service mode functions Credit Module The Credit Module will interface the 748 Machine Controller to various credit devices including coin changers bill validators and card readers It can support several different credit device interfaces including pulse serial MDB and Protocol A Column Price Displays The Column Price Displays are the five digit vacuum fluorescent displays down the center column of the machine These displays will show pricing and status of selection compartments Refrigeration Turret Module The Refrigeration Turret Module controls the modular refrigeration unit
50. Setting this option to NO will cause the coin changer to reject these smaller value coins Set this option to YES if small coins should be accepted Prices are set based on the lowest value coin stored in a coin tube If small coins are accepted it is possible to have leftover credit that cannot be returned to the customer DISPLAY ACPT SMALL COINS NO 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving P N 77500001 Cash System Type MDB Continued Overbuy Enabled This feature works with the small coins option If small coins are accepted and a credit that cannot be returned is left on the machine that credit will be cleared and credited to Overbuy in the audit data if the Overbuy option is set to YES Set this option to NO to leave the leftover credit on the machine DISPLAY OVERBUY ENABLED NO 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Card Reader If a Card Reader is connected set to YES otherwise set to NO DISPLAY CARD READER NO 1 Toggles between YES and NO 5 Saves choice and
51. T xx ON hh mm ddd xx is the event number hh is the hour mm is the minute ddd is the day of the week Key Function 1 Increments the hour 2 Decrements the hour 3 Increments the minute 4 Decrements the minute 5 Increments the event number 6 Decrements the event number 7 Advances to display OFF time 8 Increments the day 9 Resets the event to NO EVENT RESET Returns to the top of the service mode APi 748 V1 1 406 3 25 DISPLAY EVT xx OFF hh mm ddd xx is the event number hh is the hour mm is the minute ddd is the day of the week Key Function 1 Increments the hour 2 Decrements the hour 3 Increments the minute 4 Decrements the minute 5 Increments the event number 6 Decrements the event number 7 Advances to display the event 8 Increments the day 9 Resets the event to NO EVENT RESET Returns to the top of the service mode P N 77500001 Pressing the 8 Key from Service the display will prompt Display Audit Data DISPLAY AUDIT DATA 1 Toggle between Display Print amp DEX UCS 0 To Scroll Through or Print Audit Data KEY 8 Audit Data This menu item allows the operator to view print or download the audit data stored in the 748 DISPLAY DISPLAY AUDIT DATA 1 Toggles between DISPLAY PRINT and DEX UCS 0 If DISPLAY is showing audit data will be displayed on the Message Center Continue to press 0 to scroll through the audit da
52. TIONS EXPLAINED Free Vend The Free Vend option will simply show all prices at 0 00 and allow items to be vended without credit Normally communication with a coin mech is required or the 748 will shutdown however with Free Vend turned on the coin mech is ignored Sold Out Check This option is used to help determine whether a compartment has been refiled with possibly tampered food This option may be bypassed by pushing the RESET key Force Vend This option is designed to force a purchase after bills and or coins are deposited into the 748 Any attempt to return credit using the coin return will be refused Change will be returned only after a purchase is made Random Free Vend Random Free Vend is intended to free vend a selection on a random basis using a pre selected occurrence level The FREE VND ODDS item in the service mode can be programmed OFF or any range of odds from 50 1 to 3000 1 in steps of 50 This option sets the odds of winning so setting 50 1 odds does not guarantee one winner every 50 vends However after several thousand vends the average number of free vends will be 50 1 77500001 Shutdown and Timed Lockout The Shutdown option can also be set to ON This will cause the 748 to immediately go into shutdown when the coin door is closed To restore the machine to vend mode the coin door must be opened and the Shutdown option must be turned OFF This can be used to prevent sales or turret activity
53. UP Continued Set Time 7 5 View and change the current time NOTE After changing the time cycle the power to re sync the event schedules DISPLAY SET TIME hh mm hh is the hour mm is the minute ddd is the day of the week 1 Increments the hour 2 Decrements the hour 3 Increments the minute 4 Decrements the minute 7 Increments the day 8 Decrements the day 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Temp Range 7 6 Change the temperature range for the food compartment The range choices are 34 F 41 F 1 C 3 C 3 C 5 C 5 C 8 C DISPLAY TEMP RANGE 34F 41F Key Function 1 Toggles between the available temperature ranges 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving U S FDA requirements are met by using any range except 5 C 8 C For best performance in U S machines choose the 34 F 41 F range Date Form 7 7 Change the Date format DISPLAY DATE FORM mm dd yyyy Key Function 1 Toggles between mm dd yyyy and dd mm yyyy 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode APi 748 V1 1 406 3 24 without saving Baud Rate 7 8 Change the baud rate used to communicate with serial printers DISPLAY BAUD RATE
54. agnostics Continued Full Initialize 0 0 This feature resets all machine options to the factory defaults DISPLAY FULL INITIALIZE NO Key Function 1 Toggles between NO and YES 0 If set to YES will start the full initialization procedure RESET Returns to the top of the service mode Full Initialization Detailed The Full Initialize diagnostic is used to reset all options pricing and resettable audit information to the factory default values When replacing a 748 Machine Controller this is a good way to ensure the machine is set up from a known condition All options are turned off all prices are set to 99 95 the cash system is set to DUMB and the temperature range for the food compartment is set to 34 F 41 F Being an electronic device it is possible that the 748 Machine Controller may experience a corrupt memory location which can effect the way the 748 operates After all efforts to correct a problem have failed sometimes a full initialize will correct the problem This is especially true if the problem develops after changing the EPROM or RAM chip on the 748 Main control board APi 748 V1 1 406 3 33 P N 77500001 Section 4 Troubleshooting INTRODUCTION This section contains technical information to assist in troubleshooting problems that may occur in the 748 Separate sections cover indicator lights power up sequence out of service messages and specific module troubleshooting along with a dis
55. as a built in Dead Man circuit When the Temperature Sensor and the processor on the Refrigeration Turret Module are both functioning the processor sends a pulse to the Dead Man circuit This causes the Dead Man circuit to energize the Back Control Relay At the same time the green Backup Control LED will be lit to indicate the system is functioning properly Backup Operation If one of the following symptoms occurs the Backup Control Relay will be de energized This will transfer control of the refrigeration unit to the Cold Control Thermostat 1 The Refrigeration Turret Module quits functioning for about one minute 2 The Temperature Sensor reads open or 5V for about one minute 3 If the 24 VDC or the Power Ground is lost to the Refrigeration Turret Module the Backup Control Relay will immediately be de energized APi 748 V1 1 406 4 7 P N 77500001 Figure 4 1 Refrigeration Wiring Diagram Domestic TEST SWITCH TEST SWITCH_ o i Opa TO REFRIGERATION RELAY BK YUBK H P CUTOUT 707 09101 448 02226 FAN BLADE 448 01228 505 21526 OVERLOAD MOTOR POWER CORD BLOWER WHEEL T HAPUS 548 04506 WH 9 T 9 EVAP MOTOR START RELAY COND SNUBBER 548 01855 448 1284 FAN 545 01886 448 12221 START 448 12210 R502 5 RUN CAP 54801207 R404a 15kc 035 0102 53801003 WH 1 120 60 2 The entire Refr
56. ation Turret Control 1 3 R 80682406 Screw 6 32 x 3 8 Hex 5 APi 748 V1 1 406 6 33 P N 77500001 Credit Module Assembly Harnesses Connector Part Number Description P1 R 28203101 Harness to Message Center P2 R 28202701 Serial Link Harness to Main Board P3 Spare Input R 28203601 Pulse Bill Validator Harness P5 R 28203301 Executive Coin Mech P6 R 28203201 Micromech Coin Mech Harness P7 R 28203401 MDB Peripheral Harness P8 R 28202501 Harness Power in from Relay Interface J 28202102 CREDIT MODULE RL TX P2 9 Key Part Number Description Qty R 28202102 Credit Module Complete R 45110602 Board Credit Module R 28205201 Cover Credit Module R 80682406 Screw 6 32 x 3 8 zio NI S 70039027 Eprom Specify Revision APi 748 V1 1 406 6 34 P N 77500001 Relay Interface Assembly Harnesses Connector Part Number Description P1 R 28204401 Harness to Ballast Assembly Includes Line Filter P2 Harness Part of Heater Strip amp Glass P3 R 28204301 Harness to Blower amp Heater P4 Not Used P5 R 28202401 Harness Power in amp To Refrigeration amp Turret Module P6 R 28202501 Power amp Serial to Machine Module amp Credit Module LIGHTS G ENERGY CONTR
57. ault baud rate is set to 9600 See Section 3 to change the baud rate in the 748 APi recommends the Seiko DPU 411 21BU Serial printer for retrieving audit data and printing history logs Printer harness APi part number R 59301800 is required to connect the printer to the controller To connect other serial printers a simple 3 wire harness is all that is required to send data to the printer Refer to the Owners Manual for the printer you wish to use for proper connections Below are the pinouts of a generic printer harness that may be used 748 Machine Controller Printer Plug Connector J1 DB 9 25 Pin RS 232 J1 3 erm RxD Pin 3 J1 5 GND GND Pin 7 J1 8 BUSY BUSY Pin 5 NOTE RxD on the printer plug may have to be moved from pin 3 to pin 2 BUSY on the printer plug may have to be moved from pin 5 to pin 20 Refer to the Owner s Manual for your specific printer APi 748 V1 1 406 4 4 OUT OF SERVICE Whenever an error condition exists that a vend cannot be accomplished the 748 will go out of service The fluorescent lamps will be turned off and the Message Center will display OUT OF SERVICE Any credit on in the machine will be returned and all money handling devices will be disabled When a 748 is out of service upon opening the coin door ERRORS EXIST is displayed on the Message Center The process to view current errors is on page 3
58. ber of flashes indicates which device is not communicating If more than one device is not communicating the LED will flash each code for each non communicating device 1 flash Column price displays 2 flashes Message center 3 flashes Refrigeration Turret Module 4 flashes Credit Module Credit Module Indicators The Credit module board has three LED indicators 5 Volts RL Tx and STATUS 5 Volts This LED will be lit continuously indicating the 5 Volt on board power supply circuit is working properly RL Tx When this LED is flashing very fast flashes it indicates that the Credit module is communicating on the Serial bus STATUS This LED will flash very fast flashes to indicate communication is taking place with peripherals or Protocol A devices if connected and properly configured When the DUMB cash system is configured the STATUS LED will flash whenever the coin return lever is pushed a coin is accepted a tube status response or a bill is accepted P N 77500001 Refrigeration Turret Module Indicators The Refrigeration Turret module board has four LED indicators 5 Volts RL Tx Backup Control and Compressor LED 5 Volts This LED will be lit continuously indicating the 5 Volt on board power supply circuit is working properly RL Tx When this LED is flashing it indicates that the Refrigeration Turret module 15 communicating on the Serial bus Backup Cont
59. charges may then be collected from the carrier Do not destroy packing material or boxes until the carriers agent has examined them CAUTION Pushing or sliding the 748 by hand on the floor can result in considerable damage to the machine and or personal injury Always use appropriate material handling equipment and adequate protective padding to protect the 748 SETUP INSTRUCTIONS 1 Place the unit in a well ventilated location with a minimum of SIX INCHES between the 748 and a back wall 2 Remove all tape and packing material from the cabinet 3 The 748 must be leveled Perform level adjustment by using the following illustration Place level in the A position and adjust the bottom leg levelers Perform same on position B then C APi 748 V1 1 406 1 3 Place level in position A and adjust the bottom leg levelers and repeat in positions B amp C Figure 1 1 Level Adjustment CAUTION If the 748 is not leveled correctly the refrigerator evaporator may ice up causing the unit to shut down 4 Ensure that circuit breakers are firmly in place and the fluorescent lamps are secure in their Sockets 5 Ensure that the Main Power Switch is in the OFF position 6 Plug the line cord into a dedicated properly grounded receptacle capable of delivering the required power CAUTION DO NOT DEFEAT THE SAFETY GROUND 7 Install a supported coin changer see chart below 8 Check coin chute al
60. cussion on the serial interface used to tie major system components together While working to isolate a specific problem please refer to the system block diagram and or the system schematic for additional information OVERVIEW The 748 control system consists of one primary control board and four secondary control boards four secondary control boards are connected to the primary control board via serial buss Primary Controller 748 Primary Control Board Stores the machine setup options sales data and prices Directly controls the delivery doors Receives door open and latch interlock signals Monitors all health processing Using a serial interface the main controller also establishes and maintains communications with all Secondary Controllers Secondary Controllers Credit Module Establishes and maintains communication with any attached credit devices i e coin mech bill validator debit card reader Presents a common interface to the machine controller for credit devices Message Center Displays messages to the customer a 20 character vacuum fluorescent display Sends customer operator key presses to the machine controller Column Price Displays Displays shelf prices and other compartment parameters APi 748 V1 1 406 4 1 Refrigeration Turret Module Performs refrigeration system control Reads and transfers probe temperatures to the machine controller Per
61. d in a card reader MAKE SELECTION This message will be seen when a token vend is made with the token option set to PRODUCT CODE see Token Options in Section 3 NO CHANGE This message will be displayed when a large bill is inserted into the bill validator and there is not enough change in the coin changer to make change The bill will be returned to the customer PRESS SELECTION xx This message is displayed when a customer attempts to make a selection on a shelf set to FIFO first in first out 77500001 mode and the turret is not positioned at the first in product The customer must select xx using the keypad SELECTING SHELF xx This message is displayed after the first digit of a FIFO selection has been make ONE MOMENT This message is displayed while the turret is rotating into position after a FIFO selection has been made This message will also be displayed after closing the coin changer compartment door while leaving the Service Mode SHELF NOW READY This message is displayed during a FIFO purchase after the turret has moved into the vend position Price Column Displays The price column displays will show the status of each compartment as the turret is rotated and during purchases The different status messages that can be seen on the price column displays are discussed below nn nn This indicates the price of the item in a compartment n any digit O 9 SoLd This indicates the item in a
62. d or Condenser coils blocked Condenser fan not running Start Relay not opening defective Run Capacitor not in circuit Run Capacitor defective Low line voltage Low refrigerant charge Perform compressor Ohm test If test fails replace Compressor Start Relay Start Capacitor and Run Capacitor Clean as necessary Clean as necessary Remove obstruction or replace Check and replace Check and install Check and replace Check voltage It should be 105V minimum with compressor running Allow 3 minutes off time for pressure equalization before restarting performing pressure checks CONTROLLER SERIAL LINK STATUS LED TROUBLESHOOTING Problem Probable Cause Solution Credit Module 4 flashes No RL communication to module Verity 5V on module or Check harnessing Turret Module 3 flashes Replace module Message Center Module No RL communication to module Message Center Verify Credit 2 flashes or Column Price Display 1 flash Module error If so troubleshoot Credit Module first Verify 5V on module Check harnessing Replace module Controller Fast Continuous Flashing RL LED No RL communication to module 1 Verify 5V 2 Turn power off 3 Unplug all RL Modules from the Controller P1 P2 P3 and P4 on the Controller Plug a known good Message Center into P3 4 Turn on power if Message Center dons not update from the default message R
63. ding the RESET key then pushing a number key Hot keys are defined as Hot Keys Reset Display Shows 0 Display machine ID number MACHINE ID 12345678 1 Display food compartment temperature TEMP xxF xxC C 2 Display health control status HEALTH CONTROL ON 3 Display error time and date if shutdown OFF hh mm AM mm dd yyyy 4 Not used 5 Display time and day hh mm AM DAY 6 Display date mm dd yyyy 7 Not used 8 Display 748 software version number CONTROL MODULE xx xx 9 Display serial number SERIAL 12345678 APi 748 V1 1 406 2 1 77500001 Figure 2 1 Front View Figure 2 2 Column Price Display Coin Mech Compartment Door Shown in Open Position 748 V1 1 406 Coin Mech Compartment Door 2 2 Delivery Doors Message Center Selection Number Keys Coin Inlet Coin Return Bill Acceptor Coin Cup Coin Mech Compartment Door Interlock Switch 748 Machine Controller Mode Switch Credit Module Message Center shown in closed position 77500001 Main Door Turret Figure 2 3 Main Door Open View Service Switch on door Storage Shelf Assemblies Electronic Temperature Sensor under screen Power Supply Main Door Panel Interlock Switch Circuit Breakers Cash Box Main Power Switch Defrost Blower Circuit Breakers Assembly Refrigeration Interlock Power Switch Relay Interface Board Figure 2 4 Power Supply Panel Shown in Open
64. e 748 Controller Board VEND SOL STUCK A delivery door lock latch is stuck in the open position Check for stuck switch or open switch Check for binding in latch mechanism Check switch harnessing for opens Check solenoid harnessing for shorts Check controller for defective solenoid driver Replace controller board 0 POSITION ERROR Unable to locate zero position or lost zero position Check Turret Interlock system Check zero position switch plugs and harnessing Possible turret motor error Check magnet on top of turret Check turret motor and half cycle switch Check zero position switch input see Inputs in Section 3 If bad replace Controller Board NEVER LEFT Half cycle switch did not open Check Turret motor fuse Check Turret motor resistance TRT NEVER RETURN Half cycle switch opened but did not close again Check Turret motor plugs and harnessing Check half cycle switch plugs and harnessing Check replace half cycle switch Replace Refrigeration Turret Module TRT TIMEOUT Control sent move command via Serial to Refrigeration Turret Module and the Refrigeration Turret Module did not respond with either the turret went off position did not respond that the turret is on the next position or an error condition Verity that the SerialLink is functioning RAM CHCKSM ERROR When the Main Controller Module powered up the RAM did not match check sum
65. e amount of change that is being returned to the customer 748 V1 1 406 2 6 THANK YOU Displayed after a customer makes a selection NOT ENOUGH CREDIT This message is displayed when a customer tries to make a purchase but has not inserted enough money ITEM ALREADY SOLD This message is displayed when a customer tries to purchase a selection that has already been sold ITEM IS NOT AT DOOR This message is displayed when a customer attempts to purchase a selection on a full width compartment and the turret is in a half compartment position CLOSE ALL DOORS This message will be displayed when more than one delivery door is opened at the same time CLOSE DOOR xx This message is displayed when a customer tries to rotate the turret when one delivery door is not closed SELECTIONS SOLD OUT This message is displayed when the token option is set to PRODUCT CODE and a token is inserted with no selections available within the programmed product code range WINNER This message is displayed when the free vend odds option is turned on and a customer makes a selection and wins a free vend RESERVED SELECTION This message is displayed when the Sell By Shift option is active and a customer attempts to buy an item that is reserved for another shift or purchase an item that is reserved for token purchase only VALIDATING CARD This message will appear when a customer attempts to purchase a selection using a car
66. e capable of handling 10A 16 gauge in the Refrigeration Relay harness connector and plug the power cord into 220 240V grounded receptacle Do not allow unit to run for an extended period of time without the Cold Control It could cause the Evaporator to freeze CAUTION Protective eye wear must be worn when testing refrigeration systems This system is charged with 13 5 oz of R404a refrigerant Repair should only be performed by technician trained and experienced in refrigeration troubleshooting and safety procedures Never introduce other refrigerants into this system Operating temperature pressure will be affected and the unit will not function nronerlv and could be destroved APi 748 V1 1 406 4 9 P N 77500001 ERROR MESSAGES Error Message Error Description Possible Cause and Solution CDT BD NO COMM Credit Module lost Serial communication with the 748 controller Check plugs and harnessing Check for power Replace Credit Module TRT BD NO COMM Refrigeration Turret Module lost Serial communication with the 748 controller Check plugs and harnessing Check for power Replace Refrigeration Turret Module KPD BD NO COMM Message Center lost Serial communication with the 748 controller Check Credit Module indicator LEDs If abnormal troubleshoot Credit Module first Check plugs and harnessing Replace Message Center PRC BD NO COMM Column Price display lost communication with the 748
67. e first vend position home position on the turret 77500001 FIFO MODE OPERATION Start Point Full Shelf After initialization items are sold in sequential order as shown here On subsequent refills the actual position of the item to be sold next depends solely on the last item sold The next item sold is always immediately to the left of the previously sold item After items are sold and you return to refill the machine a typical FIFO shelf might look like this If not use Service Switch to rotate the turret until the remaining products are positioned as shown The next product to load here is at Position 1 The rule to follow is use the Service Switch to rotate the turret until the last remaining product is on your right and then reload the shelf from right to left The selling sequence after loading this shelf would be 12 13 14 1 2 etc Special Situations The first special situation is when you find one or more completely sold out FIFO shelves If you can fill every selection there is no problem If you do not have enough product to fill every location you won t know where to begin loading If you have the CHECK SOLD OUT option ON Options Menu you will be prompted to do so when the coin door is opened If so check all the SOLD compartments or press RESET to skip this check Once the Display shows MACHINE OK turn the turret to the zero position Pressing the MODE switch will chan
68. e last driver 23 is active will start the driver sequence over with driver 01 Push RESET to exit the Driver Test NOTE Maximum solenoid on time is 5 sec If a solenoid is not turned off by then it will turn off automatically The Manual Driver Test will turn on and off the same driver each time the 0 key is pushed When the display shows DRIVER TEST 01 pushing 0 will turn the driver on Pushing 0 again will turn the driver off Pushing the 1 or 2 keys will change the driver to be tested and the display will change to show the new driver Again push 0 to turn the driver on and off NOTE Maximum solenoid on time is 5 sec If a solenoid is not turned off by then it will turn off automatically While using the manual driver test the turret interlock may be checked When all drivers are off and all Delivery Doors are closed the turret interlock relay on the relay interface board should be energized LED lit As each driver is turned on the turret interlock relay should drop out LED off If the turret interlock relay stays energized with a driver turned on check the switch in the associated door latch housing for proper operation APi 748 V1 1 406 3 32 Inputs Test 0 7 The inputs diagnostic is used to help troubleshoot switch sensor and wire harness trouble See input test details below DISPLAY INPUTS xx yy zz Key Function RESET Returns to the top of the service mode The Inputs dia
69. ector problem Defective Coin Mech Defective Credit Module Verify proper setup see Section 3 Check for 24VAC on the Credit Module P8 pins 1 amp 5 Check for 224VPDC on Credit Module P8 pins 2 amp 3 Check Coin Mech harness between Credit Module and Coin Mech Replace Coin Mech Replace Credit Module BA Creditline stuck Pulse BA Creditline went to Ground and did not return to 5V Check for harness short to Gnd Replace Bill Acceptor Replace Credit Module Does not acceptance attempt bill Improper Cash System setup Missing power Coin Mech change level low Improper coin loading technique Harness Connector problem Defective Bill Acceptor Defective Credit Module Verify proper setup see Section 3 Check Credit Module indicators Check for B A power Add change to Coin Mech See Coin Tubes in Section 3 Check I O Credit Module to B A Replace Bill Acceptor Replace Credit Module APi 748 V1 1 406 4 13 P N 77500001 Problem Probable Cause Solution Does not register credit Improper setup Credit messages not received from Coin Mech Service Door switch not closed Coin Mech defective Credit Module defective Verify proper setup see Section 3 No continuity between Credit Module and Coin Mech Check for defective actuator Replace Coin Mech Replace Credit Module Does not give change Dollar coins in MIS Coin Mech mis
70. eeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Bill Validator Type This options allows selection of the type of bill validator interface used A serial bill validator must use the Rowe RBA 7 Serial Interface the Mars VFMA serial interface or equivalent A pulse bill validator must output pulses on a single line with approximately 50 millisecond on and off pulses DISPLAY BILL VAL TYPE PULSE 1 Toggles between PULSE and SERIAL 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving APi 748 V1 1 406 3 21 Escrow Capable a serial bill validator is escrow capable Set this option to YES for a serial bill validator If the pulse interface bill validator conforms to the CBA2 escrow protocol set this option to YES DISPLAY ESCROW CAPABLE YES 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Accept Bills This option will allow a choice of which bill denominations to accept If a bill denomination is to be acce
71. eplace Controller 5 Else plug in questionable Message Center into control if RL Tx LED flashed flash continuous Replace Message Center Repeat step 5 for each RL module replacing the module if RL LED flashes fast continuous Controller RL Tx LED does Microcomputer not functioning Check 24VDC power on P1 pin 1 and not light properly pin 2 Check that EPROM seated properly Replace Main Controller APi 748 V1 1 406 4 17 P N 77500001 Section 5 Maintenance INTRODUCTION This section explains in general the Delivery Door Turret Interlock safety system and certain procedures for component replacement It also provides information cleaning maintenance DELIVERY DOOR OPERATION Each Delivery Door assembly contains a locking unlocking system two microswitches and the Delivery Door return spring see Figure 5 1 When a customer slides a Delivery Door towards its open position it will first release the door switch and a signal will be sent to the Control Computer This switch is wired so that when it opens it will automatically cause the Turret Interlock Relay to open thus positively preventing the drum motor from being energized If there is adequate credit and the item was not previously sold the control will energize the door unlock solenoid which will retract the door locking block and allow the door to be fully opened When the door unlock solenoid is energized the door unlock switc
72. esired price is shown Then toggle the Delivery Door to assign the new price to the shelf The Column Price Display will show the new price Shelf prices for all three schedules are set with this function DISPLAY SCH x PRICE y yy is the schedule number 1 3 y yy is the price Key Function 1 Increments price by coin scale 2 Decrements price by coin scale 3 Increments schedule number 4 Decrements schedule number 5 Increments shelf price by 10x the coin scale 6 Decrements shelf price by 10x the coin scale RESET Returns to the top of the service mode NOTE Use 7 0 to set the ON OFF times for the schedules APi 748 V1 1 406 Shelf Size 3 2 This feature allows setting shelf sizes to either FULL or HALF The Column Price Display will show the current shelf size assigned to each shelf either FULL or HALF Change shelf size on message center until desired shelf size is shown Then toggle the Delivery Door to assign shelf size to desired shelf The Price Display will update to show the new shelf size DISPLAY SHELF SIZE HALF 1 Toggles between HALF and FULL RESET Returns to the top of the service mode Shelf Mode 3 3 This feature allows setting the shelf mode between normal SHOP vend mode and First In First Out FIFO vend mode The Column Price Display will show the current mode Toggle the Delivery Door to assign the selected mode to a shelf The Column Price Display wi
73. f changing or saving any of the Payment System options the machine must be turned off and then back on to permit the control board to properly initialize the changes 3 16 P N 77500001 Pressing the 5 Key from Service the display will prompt Cash System Type KEY 5 Cash System Type This menu allows selection of the cash system used in the 748 The supported cash system types are DUMB MDB and EXEC Protocol A Both the MDB and DUMB cash system types allow additional options to be set Using key 5 or 6 will advance to the options available for the selected cash system type NOTE Be sure to power the 748 OFF then back ON after SAVING a cash system type even if it was not changed DISPLAY CASH SYS TYPE DUMB Note If you choose Dumb go to page 3 20 1 Toggles available choices 5 Saves choice and proceeds to the next option for the selected cash system 6 Proceeds to the next option for the current cash system without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving NOTE When reviewing the cash system options key 6 may be used to quickly view one option after another without having to SAVE each option MDB CASH SYSTEM OPTIONS Coin Mech If a coin changer is connected set to YES otherwise set to NO DISPLAY COIN MECH YES Key Function 1 Toggles between YES and NO 5 Saves choice and p
74. forms turret motor movement and half cycle switch monitoring The Power Supply Consists of a single dual secondary transformer supplying 18 and 24 Volts AC to the relay interface board The Relay Interface Board The 24 Volts AC is routed to the Credit Module for bill validator power also rectified and routed to the Credit Module as 24 Volts pulsed DC to power the Credit Module and provides coin return solenoid power to a coin mech The 18 Volt AC secondary is rectified and filtered to provide 24 Volts DC which is routed to the 748 Machine controller and the Refrigeration Turret Module The 748 Machine Controller Credit Module and Refrigeration Turret Module each have their own low voltage power supply circuits on board Serial Communications The SerialLink is a proprietary communication interface used in the 748 to tie major component modules together The 748 Controller sends Serial messages to each of the four Serial devices and then listens for responses Serial devices include the Credit Module the Refrigeration Turret Module the Column Price Displays and the Keypad Display Module Message Center Each Serial device has a unique device address so when the 748 Controller sends a message on the buss only one of the Serial devices will respond Serial devices will not transmit a message on the buss until polled by the 748 Controller The Serial hardware interface is based on the EIA standard RS485 specification T
75. g NOTE Clearing the Error Log will not clear any error currently on the machine DISPLAY CLR ERROR LOG NO Key Function 1 Toggles between NO and YES 0 Clears the log if set to YES displays SAVING and returns to the top of the service mode RESET Returns to the top of the service mode without clearing the log P N 77500001 History Continued Clear Temperature Log 4 7 This feature allows the operator to clear all data from the Temperature Log DISPLAY CLR TEMP LOG NO 1 Toggles between NO and YES 0 Clears the log if set to YES displays SAVING and returns to the top of the service mode RESET Returns to the top of the service mode without clearing the log Print Logs 4 9 This feature allows the operator to print the Temperature Log History log Error Log Schedules or Pulldown log DISPLAY PRINT TEMP LOG 1 Scrolls through the available logs 0 Prints the log then returns to the top of the service mode RESET Returns to the top of the service mode without printing the log APi 748 V1 1 406 3 15 P N 77500001 Pressing the 5 Key from Service the display will prompt Cash Sys Type 1 key Toggles Option 5 key Accepts and SAVES changes and advances to next step APi 748 V1 1 406 CASH SYS TYPE MDB 6 key Does not save change and advances to next step Reset key Escape and return to top of menu IMPORTANT At the completion o
76. ge the display to SERVICE MENU Then pressing 3 3 will cause the display to read PRICES SHELVES then SHELF MODE xxx where xxx is FIFO or SHOP If necessary use 1 to toggle to FIFO then actuate the delivery door of each of the completely sold out shelves This will reset the shelf so that the first item sold will be that at Position 1 Begin filling the empty FIFO shelves in sequence 1 2 3 4 etc as the arrow to the left describes If for any reason you cannot completely fill a FIFO shelf you can eliminate the possibility that a customer will open an empty selection buy air by using the SET FIRST EMPTIES feature To use this feature the CHECK SOLD OUT option must be ON When the CHECK SOLD OUT option is ON and the Main Door is closed after filling the machine APi 748 V1 1 406 2 10 the Display will show SET FIRST EMPTIES For every partially filled FIFO shelf rotate the turret until the last available product is just to the right of the Vend position With the first empty compartment at the vend position actuate the corresponding delivery door The computer will then mark the compartments from there to the next to sell product as being Previously Sold In the example at the left compartments 9 through 14 would be marked as Sold Filling the Machine In order to prevent the sale of an item replaced in the machine by a customer the 748 keeps track of t
77. gnostic is used to help troubleshoot switch and wire harness trouble When the Inputs diagnostic is running the display will show INPUTS xx yy zz where xx yy and zz represent inputs on specific pins to the 748 Machine controller The display is updated in real time so switches can be manipulated and the results will be shown on the display The input data is mapped using binary bits displayed hexadecimal format Input mapping is defined as follows 748 Machine Controller Inputs XX hex input circuit connector pin bit 01 delivery door 04 switch 9 7 t1 0 delivery door 1lswitch 9 8 t2 04 delivery door 12 switch 9 9 t3 08 delivery door 13 switch 9 10 10 delivery door 14 switch 9 11 t5 20 delivery door 21 switch 9 12 6 40 delivery door 22 switch 9 13 t7 80 delivery door 23 switch 9 14 T qe y hex input circuit ia rol service switch P8 1 and P1 12 tl 2 02 zero position switch P8 2 and P 1 13 t2 04 coin comp door switch P8 3 08 main door switch P8 4 t4 10 not used P8 6 t5 20 delivery door 01 switch 9 2 t6 40 delivery door 02 switch 9 3 t7 80 delivery door 03 switch 9 4 connector pin OO OO oF oF 9 2 hex circuit it 01 not used itl 02 not used t2 04 door open unlocked P6 1 08 not used t4 10 RS 232 RxD signal 112 t5 20 not used t6 40 RS 232 busy signal 1 8 t7 80 not used connector pin Zo o o oOo OoN T 199 77500001 Di
78. gs and harnessing TRT OVERRUN The turret did not stop properly on the next turret position and over shoot the 1 2 cycle switch This is possible in a loaded turret if a Delivery Door is opened as the turret is coming to the next position Repeated logging of this error might suggest attempted machine tampering or intermittent 1 2 cycle switch problems see TRT NEVER LEFT error in this section The machine will recover from this by automatically finding the Zero Position if in operating mode In service mode the TURN TILL ZERO prompt will appear APi 748 V1 1 406 4 12 P N 77500001 TROUBLESHOOTING CHART Problem Probable Cause Solution Message Center does No power to the Message Center Check for 5VDC light Check for GND Above voltage is required for the Message Center to light There is only one cable to the Message Center This comes from the Credit Module If the Controller dies but the power is still on the Message Center the Message Center will default to the built in message 748 DISPLAY Vx xx Price Column Display does not light Missing power Harness Connector problem Defective Column Display Check power from Controller 24VDC pins 4 amp 5 to GND pin 14 and FIL pins 1 amp 2 to FIL GND pins 9 amp 10 Check from Controller P1 to Display P1 Replace Column Display Does not accept coins Improper Cash System setup Missing power Harness Conn
79. h will provide a signal to the Control to indicate that the door is unlocked All of the door unlock switches are wired to cause the turret interlock relay to open also this provides yet a second protection from turret movement while any door might be open Delivery Door moves Boor Locking ZR Block j Door Retum Spring E i uE t 3 um Boor Unlock f Solenoid Door Unlocked Door Swilch Switch Fig 5 1 Delivery Door Switch After the door is opened there is a delay after which the Control will release the door unlock solenoid which will cause the door to be locked after it closes again However until the customer moves the turret or inserts more money he she can reopen the same door again and again without restriction APi 748 V1 1 406 5 1 CHECKING THE REFRIGERATION SYSTEM NOTE The entire Refrigeration Unit may be removed from the vendor and run on the bench to troubleshoot any given problem Plug the connector from the Cold Control Thermostat to the connector coming from the Capacitor Relay box DO NOT allow the unit to run for extended periods of time because the Evaporator may freeze If the refrigeration system compressor is inoperative perform the following checks before replacing the compressor Be sure to hold the Refrigeration Interlock switch closed when making the operational checks 1 Measure the line voltage If the
80. han the price of a selection the price of that selection will be 0 00 To use discounts the Discount option must be set to PER SCH a discount amount must be set and a discount event for that discount must be programmed in the event schedule For example Discount 1 is set to 0 10 and a scheduled event turns on Discount 1 on Friday at 17 00 then off on Saturday at 22 00 All displayed on the price display between those times will have 0 10 subtracted from them Sell By Shift Sell By Shift allows reserving selections for sale at a specific time Each compartment can be individually reserved for sale on specific days of the week and hours of the day When someone tries to open the door to a selection that is reserved for a nonactive shift the display will show RESERVED SELECTION Pricing Three different prices price schedules may be set for each selection compartment If the pricing option is set to NORMAL only price schedule 1 is used If the pricing option is set to PER SCH then the pricing schedule can be programmed using scheduled events Any time not defined by a specific schedule will default to price schedule 1 Show Sold With this option ON when a sold compartment is in the vend position its corresponding price display will show SoLD instead of the item s price With the option set to OFF prices will be shown for all compartments in the vend position even if the item has been sold 7
81. he MDB coin changer keeps track of the number of coins in the tubes and reports the number to the controller Also if an Executive type coin changer is installed the tube counts are not used at all If coins are manually added to the tubes from the front of the changer the coin count must be adjusted in this menu If coins are deposited or dispensed while in this mode the display will automatically show the inventory count of the last coin denomination DISPLAY xx COIN yy zzz xx is the value of the coins in a tube yy is the number of coins in this tube Z zz is the value of all coins in this tube Key Function 0 Scrolls through coin tubes Increments the number of coins in tube 2 Decrements the number of coins in a tube b Dispenses from 1 coin tube 6 Dispenses from 2 coin tube 7 Dispenses from 3 coin tube 8 Dispenses from 4 coin tube if available RESET Returns to the top of the service mode Not available if using MDB mech with the TUBE sensing option set to AUTO When the dumb type coin changer is selected and the TUBE sensing option is set to LEVEL the tube count will automatically be adjusted when the level sensor in the coin changer is covered or uncovered and the coin tube counts will revert to their default values APi 748 V1 1 406 3 5 P N 77500001 Pressing the 2 Key from Service the display will prompt Options 2 Set Discount Mode 1 Set Price Mode
82. he USA require certification for opening a refrigeration unit for repairs NEVER introduce other refrigerants into this system Operating temperatures and pressures will be affected and the refrigeration unit will not operate correctly possibly damaging the unit REPAIR AND REPLACEMENT Most of the repair and replacement procedures for the Merchandiser are of an obvious nature The following information is provided to aid service personnel in repairing or replacing parts that require additional information CAUTION To prevent injury of damage to the vendor two people are required to perform the following procedure Turret Removal 1 Empty the Turret of all product to prevent spillage 2 Rotate the Turret until the zero position magnet is facing straight forward and shut off the Main Power Switch 3 Empty and remove the four storage racks 4 Remove the single screw at the base of the dividing wall then slide it forward and remove APi 748 V1 1 406 5 2 NOTE A long handled 3 8 nut driver 12 or more with a magnetized head in recommended for step 5 5 Remove two screws from upper pivot bearing The bearing and pivot shaft will lay down on top of the turret 6 Lift the turret assembly straight up high enough for turret base to clear the center bearing and drive helicopter and remove the turret 7 Reverse this procedure to reinstall the turret Delivery Door Removal 1 Remove t
83. he compartments that have been sold and prevents those doors from being opened again before you open the machine and fill it Because of this the machine must be aware that you ve filled the machine If you open the coin compartment door and then open the Main Door and press the Service Switch without first pressing the MODE switch on the Main Controller the 748 will assume that the machine is being filled and as such will reset all compartments to the unsold state Pressing the MODE switch on the Main Controller before operating the Service Switch will cause the 748 to assume that there is a service call in process and it will allow turret rotation without affecting the sold state of any of the compartments This process is the same for all shelves whether in Shopper Mode or FIFO mode Shelves that are in FIFO mode will resume sales from the previous point so you still have true FIFO operation even after filling 77500001 Section 3 Service Mode Introduction The 748 uses a menu driven interface to set up the machine retrieve audit information and troubleshooting assistance Opening the Outer Door Monetary Door Opening the Coin Compartment Door will put the machine is service mode This will prompt the display to change to one of the following messages MACHINE OK ERRORS EXIST CHECK HISTORY LOG TURN TILL ZERO POSITION CHECK SOLD OUT DOORS MACHINE OK The machi
84. he control buss consists of one pair of RS485 signals designated A and B These signals are 5 Volt differential signals meaning that whenever A is O Volts B is 5 Volts and whenever A is 5 Volts B is 0 Volts Communications the Serial buss asynchronous half duplex such that only one device may transmit at a time Transmission characteristics are as follows 19200 baud 7 data bits even parity 1 stop bit P N 77500001 Check List When a problem occurs always look for the obvious solution first Check the following before attempting to make any adjustment or replace any parts Check that the machine is connected to a live power source with a good ground Check that the main power switch is on Check the condition of both circuit breakers on the main power switch assembly and the two circuit breakers on the lower center panel of the cabinet Check that all plugs are seated in their receptacles Check that connector pins are not bent broken or pushed through the back of the connector housing when mated Check that wires are not broken at the connector pins Check to insure the Main Door Interlock Switch and the Refrigeration Interlock Switch both actuate when the Main Door is closed Check all indicator LEDs for proper indications Indicator LEDs Indicator LEDs are provided on the 748 Controller Credit Module Refrigeration Turret Module and Relay I
85. he left hand fluorescent lamp and the white cover over the Delivery Door unlatch mechanisms CAUTION The white cover over the delivery door unlatch mechanisms being removed in step 1 of this procedure must be replaced correctly to ensure anti cheat protection 2 Remove the three screws from the bottom runner of the door being replaced One screw on the right end of the runner two screws on the left side of the Delivery Door opening 3 Slide the bottom runner out to the left 4 Lift the bottom of the door out first then the top 5 Unhook the Delivery Door return spring 6 To replace reverse the above procedure P N 77500001 CLEANING To project the best selling image to the customer and to prolong the beauty and operation of the vendor it is important to keep your Showcase Merchandiser clean Door Fan Filter Check and wash out the door fan filter each month or as needed depending on location If not cleaned for long periods the efficiency and life expectancy of the fan motor and heating elements will deteriorate Unit Exterior Remove any debris lodged in the Delivery Door runner tacks Use a clean soft cloth moistened with a mild dishwashing liquid to clean all Delivery Doors and runner tacks Metal and vinyl surfaces can be cleaned with warm water and a mild non dulling detergent Unit Interior Remove any debris that may have spilled or dripped into the compartments interior lining and shelf a
86. he service mode RESET Returns to the top of the service mode without saving choice P N 77500001 Pressing the 3 Key from Service the display will prompt Price Shelves 2 Sets shelf size to HALF or FULL 1 Sets prices and schedules 5 Sets product codes per compartment 6 Sets shift availability per compartment APi 748 V1 1 406 PRICES SHELVES 3 Sets shelf vend mode to SHOP or FIFO 4 Sets discount amounts 7 Sets show sold option To Assign Price With correct price and schedule shown in display SLIDE DELIVERY DOOR to right Price Display adjacent to selection will immediately be updated to reflect new price 3 9 P N 77500001 Pressing the 3 Key from Service the display will prompt Price Shelves KEY 3 Prices Shelves This menu allows setting prices price schedules shelf size product codes discounts and shift availability Each function in this service menu requires a two key entry to run the first key is 3 and the second key is one of the following 1 Sets prices and schedules 2 Sets shelf size to HALF or FULL 3 Sets shelf vend mode to SHOP or FIFO 4 Sets discount amounts Sets product codes per compartment 6 Sets shift availability per compartment 7 Sets show sold option 8 Not used 9 Not used 0 Not used Schedules Prices 3 1 Prices are set per shelf Change the price shown on the Message Center until the d
87. his Event is logged when a previously lost RL COMM was restored This will also be the time at which the machine self recovered from the Serial Error BA CREDIT STUC The Credit line on the Pulse Bill Acceptor went active and never returned inactive See B A Creditline Stuck in troubleshooting of this section BA STACKER FULL The Bill Acceptor has reported that it stacker is full Empty stacker and cycle machine power BA BILL JAM The Bill Acceptor reported a Bill Jam Clear Bill Acceptor and cycle machine power BA FAULT General Bill Acceptor Fault Refer to Bill Acceptor s Manual for troubleshooting CARD RDR NO COMM The MDB Card Reader has Lost Communication See CARD NO COMM in troubleshooting of this section CARD RDR NDS SRVC The card reader requires service Refer to the Card Reader s Owners Manual for service instructions CARD RDR FAULT General Card Reader Fault Refer to the Card Reader s Owners Manual for service instructions ERRORS CLEARED This event is logged when CLEAR ERRORS was saved to YES and service mode was properly exited HEALTH ERR CLRD This event is logged along with an ERRORS CLEARED event when a Health Error is Properly cleared TRT LOST SYN This event occurs when the Refrigeration Turret Module does not report the turret at the same position as the Main Controller Probable cause is temporary power loss to the Refrigeration Turret Module Check plu
88. i 11 zum im e INTAKE SCREEN CLEAN REGULARLY 3 5 Ps TAD OUTTOFENOVE o Gi Eas d 5 6 Outside of the Refrigeration Cover Power Supply Closed APi 748 V1 1 406 6 18 P N 77500001 Power Supply Assembly APi 748 V1 1 406 Key Part Number Description Qty R 74801800B Power Supply Assembly Ref 1 R 54801524239 Rivet and Weld Assembly Cover 1 2 R 28201601 Power Transformer 1 3 438 8 Nut 8 32 KEPS 8 4 34802 1 Cable Clamp 1 1 5 R 70073608 Circuit Breaker 5 Amp 1 6 R 70073606 Circuit Breaker 3 Amp 1 7 28204401 Line Filter Assembly 1 8 R 93400307 Screw 8 32 x 3 8 HWH SEMS 3 9 R 28201902 Refrigeration Turret Controller Assembly 1 10 R 70096705 Insulated Faston 250 1 11 R 28206302 Harness Assembly 748 Cabinet 1 12 R 90702217 Label Service Switch Instructions 1 13 R 90704034 Label Support Door 1 14 R 90702193 Label Caution Power Supply 1 15 R 90701094 Label High Voltage 1 16 R 28220101 Mounting Plate Line Filter 1 6 19 P N 77500001 Main Power Switch APi 748 V1 1 406 6 20 P N 77500001 Main Power Switch Key Part Number Description Qty R 44812845 Main Switch Assembly Complete 1 R 54821528 Switch Panel Assembly Export not shown 1 1 R 30101711 Main Line Switch 1 2 R 93400307 Screw 2 3 R
89. igeration Unit may be removed from the vendor and run on the bench to troubleshoot Install a jumper wire capable of handling 10A 16 gauge in the Refrigeration Relay harness connector and plug the power cord into 120V grounded receptacle Do not allow unit to run for an extended period of time without the Cold Control It could cause the Evaporator to freeze CAUTION Protective eye wear must be worn when testing refrigeration systems This system is charged with 13 5 oz of R404a refrigerant Repair should only be performed by technician trained and experienced in refrigeration troubleshooting and safety procedures Never introduce other refrigerants into this system Operating temperature pressure will be affected and the unit will not function pronerlv and could be destroved APi 748 V1 1 406 4 8 P N 77500001 Figure 4 2 Refrigeration Wiring Diagram Export TEST SWITCH pr 1 TO REFRIGERATION RELAY BK YL BK H P CUTOUT o 707 09101 o 448 02226 FAN BLADE 548 21525 505 21527 BLOWER WHEEL MOTOR 5 o f EVAP MOTOR 548 01855 548 21538 548 04506 111 SNUBBER COND FAN 548 21529 START 548 21524 R502 CAP 548 21558 R404a 15kcr 4991006 54501007 WH 220 50 2 The entire Refrigeration Unit may be removed from the vendor and on the bench to troubleshoot Install a jumper wir
90. ignment b Check coin return lever operation Adjust if necessary 8 Install a bill acceptor if desired Note If you use a MDB coin mech you must use a MDB bill acceptor or card reader See chart below 9 If using FIFO mode insert the selection number labels in the corresponding Delivery Doors From top to bottom the door numbering convention is 01 02 03 04 11 12 13 14 21 22 23 You only need to label those shelves you intend to operate in the FIFO mode 10 Check and ensure that all electrical connections are seated properly especially at the circuit boards P N 77500001 11 Turn the Main Power Switch ON leaving Coin Compartment and Main Doors open 12 At power up the following sequence of displays should occur a The Column Price Displays will show from top to bottom 11111 99 95 22222 99 95 33333 99 95 44444 99 95 55555 99 95 66666 99 95 77777 99 95 88888 99 95 99999 99 95 AAAAA 99 95 bbbbb 99 95 Note After you ve set the prices the actual prices will be displayed b The Message Center should display 1 748 DISPLAY Vx xx x xx version of Message Center software then 2 API INTERNATIONAL then 3 SHOWCASE MERCHANDISER 4 748 VERSION x xx version of 748 Machine Controller then 5 ONE MOMENT then 6 TURN TILL ZERO Press RESET key on Message
91. ing Charts 4 13 4 17 Section 5 Maintenance Introduction 5 1 Delivery Door Operation 5 1 Checking Refrigeration System 5 1 Turret Removal 5 2 Delivery Door Removal 5 2 Cleaning 5 3 Section 6 Parts Parts Drawings 6 1 6 36 P N 77500001 WARRANTY Automatic Products international Itd APi expressly warrants these automatic merchandisers the Unit manufactured by it to be free under normal use and service from defects in material or workmanship for a period of two 2 years from the date of delivery of this Unit to the original purchaser This warranty extends only to the original purchaser of the Unit The exclusive remedy for this warranty is limited to the repair or replacement at APi s sole option of any part or parts of the Unit that are returned to or to the authorized dealer or distributor of APi from whom the unit was purchased with all transportation charges prepaid and which on APi s examination shall conclusively appear to have been defective This warranty does not a extend to any Unit or part thereof that was subjected to misuse neglect or accident by other than APi after its delivery to the original purchaser b extend to any Unit or part thereof that was modified altered incorrectly wired or improperly installed by anyone other than or used in violation of the instructions provided by c extend to a Unit which has been repaired or altered by anyone other than or a
92. ion may be made as to what products to discard after a health control shut down error This feature shows hours minutes and seconds that the food compartment has been above the maximum allowed temperature Also it will display the highest temperature the food compartment reached during this time DISPLAY hh mm ss 73F MAX Key Function RESET Returns to the top of the service mode APi 748 V1 1 406 3 30 Health Test 0 3 This diagnostic will test the health control system without having to wait the full time out time DISPLAY HEALTH TEST OFF Key Function 1 Toggles between ON and OFF 0 Saves and returns to the top of the service mode RESET Returns to the top of the service mode Complete Health Test Instructions The Health Test diagnostic is used to check the health control system without waiting the full time over health time for the error to occur To perform the Health Test 1 Open the coin changer compartment door and the large main door 2 Proceed to the service menu 3 From SERVICE MENU Press O 1 Display DIAGNOSTICS then Display TEMP xxF yyC C 4 Open the Main Door With the Message Center locked into the Coin Door position the Coin Door so that the Message Center may be viewed by looking through the Delivery Door 5 Pull the Main Door Switch out 6 Remove the evaporator screen and locate the temperature sensor on the evaporator
93. is is a way to ensure the oldest product on a shelf is purchased first Each shelf can be individually set to operate in the FIFO mode If not in the FIFO mode a shelf will be in the normal shopper SHOP mode Each shelf is assigned a two digit shelf number This number is used when making a purchase on a FIFO shelf Normally the customer just opens the delivery door of the selection they want FIFO requires the sale of the oldest product first so the customer cannot just open any door If the oldest product happens to be in the right place the door will open Otherwise a message on the display will read PRESS SELECTION where xx is the shelf number When the customer enters shelf number xx on the keypad the 748 will rotate to present the oldest product on that shelf and allow the customer to make the purchase As the customer is entering the shelf number the display will show SELECTING SHELF x when the 1 digit is pressed Then the display will show ONE MOMENT as the turret rotates into position finally the display will show SHELF NOW READY indicating the product is in position to be purchased Be sure to insert the shelf number labels into the label holder on the back of the Delivery Doors so customers know the shelf number to select To reset the FIFO index for a shelf use Service Mode function 3 3 and re configure the shelf as a FIFO shelf This will reset the index for that shelf to th
94. jacent compartment and the Message Center scrolling the point of sale message Point of Sale Messages The Message Center will display several messages to the customer during the vend process Each possible message is described below INSERT MONEY MAKE SELECTION This is the default point of sale message This message will scroll across the Message Center display while waiting for a customer to insert money This message may be changed in the service mode USE COINS ONLY This message will appear when the coin changer is too low on coin tube coins to make change for bills but there is sufficient change to give change for coins USE EXACT COINS ONLY This message will appear when the coin changer is low on the smallest valued coin tube coin MAKE FREE SELECTION The 748 is set to free vend No money is required or token vend is made with token option set to FREE ANY see Token Options in Section 3 MACHINE SHUTDOWN UNTIL hh mm This message is displayed whenever the machine has been shutdown due to event scheduling the Timed Lockout feature hh mm is the time the machine will return to normal operation SORRY OUT OF SERVICE This message will appear when there is an error condition detected in the 748 Money acceptance is inhibited and the fluorescent lamps are turned off CREDIT x xx This message shows the customer how much credit has been established on the machine CHANGE x xx This message shows th
95. livery Door 5 2 R 28216601 Delivery Door 4 9 2 R 28200301 Price Display Assembly Top 1 28 R 54800496 Locator PC Board 1 29 17400141 Api Lo APi 748 V1 1 406 6 3 P N 77500001 Message Center Message Center Key Part Number Description Qty R 50001029 Message Center Assembly R 50001028 Keypad and Display Assembly R 50000123 PWB Keyboard R 50000122 Switch Mounting Plate R 50000101 Keypad Housing R 500001 17 Message Center Cover 73600000 Display Board R 91400007 Push Fastener R 93400307 Screw R 50001024 Harness Assembly R 50000121 Message Center Overlay R 70086612 R 90702220 Header Connector 12 Position Shelf Rotator Label R 54800801 Push Button Rocker R 54800836 748 Push Button Grid R 54800432 Message Center Hinge R 54800434 Message Center Latch Keeper R 30838126 Key Cap Number Set 0 thru 9 Push Buttons R 30743203 Key Cap RESET Horizontal L jlLL LA iLBLB iPBIDmnmLBA5L 5LA AA APi 748 V1 1 406 6 5 P N 77500001 Main Door Interior 23 25 22 21 24 20 11 19 12 13 14 17 16 LOWER PANEL i COMPONENTS See Fig 5 APi 748 V1 1 406 6 6 P N 77500001 Main Door Interior
96. ll update to show the new mode DISPLAY SHELF MODE SHOP 1 Toggles between SHOP and FIFO RESET Returns to the top of the service mode Discount 3 4 This feature allows setting price discounts The discount range is between 0 and 2 00 DISPLAY DISCOUNT x yy x is the discount number yy is the discount amount Key Function 1 Increments discount amount by coin scale 2 Decrements discount amount by coin scale 3 Increments discount number 4 Decrements discount number 5 Saves changes and increments to next discount 0 Saves changes and returns to the top of the service mode RESET Returns to the top of the service mode without saving choice P N 77500001 Price Shelves Continued Product Codes 3 5 This feature allows setting product codes to each compartment The Price Display will show the current product code assigned to the compartments Change the product code on the Message Center until the desired product code is shown At this time if product code is to be set to the entire shelf press 7 Toggle a Delivery Door to assign that product code to that specific compartment or shelf The Column Price Display will update to show the new code Rotate the turret to assign codes to all compartments NOTE Press 7 before toggling door each time that product code is to be saved to the entire shelf DISPLAY PRODUCT CODE 00 Key Function 1 Increments product code
97. lter Bracket export only R 54801000 Harness Assembly export only 30 R 44812845 Main Switch Power Assembly see Page 6 19 31 R 44800056239 Turret Drive Cover Black 32 R 44812601 Main Plate Assembly Black 33 R 44800606239 Shelf Retainer Black R 44802269005 Column Separator Smoked R 93400486 Screw R 94100078 Speed Nut 34 R 54801601B Center Column Rivet Assembly 11 Shelf Black 35 R 54800459 Liner Retainer LH 36 R 54801308 Condenser Screen W A R 94100092 Condenser Screen Clip not shown 37 R 44802007239 Upper Turret Plate Black 38 R 44801306309 Pivot Assembly Bracket 39 R 54800525 Interlock Switch Spring Actuator NS R 44802328 Bottom Tray Inner Cabinet KR Nie e e IN Ja IN IN J gt gt Sf Se me SS Product Shelves 44802601 Split 4 44802602 Split 5 waa 44800600 Platter 4 and 5 44802916 44801607 Over Under aw Y at oo 91600208 4 Y id dd 5 j a ati l 44802013 A di Du RU KE M i 44902015 WE n 748 V1 1 406 6 16 P N 77500001 This Page Intentionally Left Blank APi 748 V1 1 406 6 17 P N 77500001 Power Supply Assembly Power Supply Open Dropped Down 1 2 3 58 8 16 7 8 3 Mg t m3 p 7 Y 4 8 Are oz e 11 10 9 3 13 12 7 14 res
98. most recent temperature recorded will be displayed If the log is full the log entry number will be 59 otherwise the log entry number will be the number of the last entry in the log As more entries are recorded the oldest entries are discarded so only the most recent 60 minutes worth of temperatures remains in the log NOTE The Temperature Log stops recording 20 minutes after error shutdown When the temperature is displayed a C at the end of the line indicates the compressor was running when the temperature was recorded Example of temperature log entry displayed 59 36F 2C C When the temperature log is printed a graphic representation is also shown The oldest temperature is at the top of the printout and the most recent temperature is at the bottom A C to the left of the temperature indicates the compressor was running at the time An example of a temperature log printout APi 748 V1 1 406 3 14 See 4 9 to print AUTOMATIC PRODUCTS 748 VER xx xx TEMPERATURE LOG 11 46 FRI 01 05 2001 Clear History Log 4 5 This feature allows the operator to clear the History Log DISPLAY CLR HISTORY LOG NO 1 Toggles between NO and YES 0 Clears the log if set to YES displays SAVING and returns to the top of the service mode RESET Returns to the top of the service mode without clearing the log Clear Error Log 4 6 This feature allows the operator to clear all data from the Error Lo
99. n Refrigeration inoperative Refrigeration unplugged or no power Refrigeration relay unplugged Refrigeration overload Relay control defective Check and replug Connect Refrigeration relay Clean screen and condenser coils If A amp B hold true A Back up control LED and Compressor LED are both lit B Refrigeration unit does not power up Perform the following Turn power off Short together the blk and yl blk wire on the Refrigeration relay Turn power on If Refrigeration Unit now powers up replace the Refrigeration Turret Module Compressor does not start No voltage on blk wire with Evaporator Blower not running No voltage on yl bk wire Low line voltage Start Relay contacts defective Motor overload defective Start Capacitor defective Compressor head load too high Defective Refrigeration unit line cord Check and or replace Refrigeration Turret Module Check voltage It should be 105V minimum with Compressor running Replace Start Relay Check and replace Check and replace Allow 3 minutes off time for pressure equalization before restarting performing pressure checks APi 748 V1 1 406 4 16 P N 77500001 Problem Probable Cause Solution Compressor runs hot and trips overload Compressor Start Winding defective NOTE Motor will start with Run capacitor removed or open Air intake obstructed screen clogge
100. n on for no more than 30 minutes Health Control After opening and closing the main door the machine has 30 minutes in which to bring the cabinet interior food compartment temperature below the maximum temperature range setting f the temperature is still above the maximum temperature setting 15 minute grace period begins If this grace period finishes and the temperature is still above the maximum temperature range the machine will go out of service To display the amount of time remaining in the pull down period press hot key 2 HEALTH DELAY XX MIN will appear on the display where XX is the number of minutes remaining from the original 30 minute limit After the 30 minute pull down period expires or the food compartment temperature reaches 41 F pressing hot key 2 will display HEALTH CONTROL This indicates that the food compartment temperature is being monitored per Section 700 of the NAMA Construction Standard for Refrigerated Food Vending Machines If the machine should exceed the NAMA food compartment temperature requirements it will shut down with a HEALTH TIME OUT error To reset a HEALTH TIME OUT error you must first clear the error then open and close the main door 77500001 OPERATION Normal 748 machine operation will find the 748 food compartment within the storage temperature range fluorescent lamps lit all delivery doors locked column price displays showing the prices of each ad
101. nation of Serial Number Sequential build number Starts at 001 every day Numerical day of the year Jan 15 001 Dec 31 365 Year 03 Last two digits of the year First digits indicates model example shown is a 748 Showcase Merchandiser The machine identification may contain up to six characters dependent upon the model Prefixes E Indicates a machine built specifically for export outside of North America APi 748 V1 1 406 1 2 P N 77500001 Section 1 Installation INTRODUCTION This section contains instructions for unpacking the APi 748 Showcase Merchandiser and installing it on location It is important for ease of service reliability and safety that you install the machine properly UNPACKING INSTRUCTIONS The APi 748 is shipped in one carton with all major assemblies in place ready for installation The shipping carton should be opened carefully to prevent the 748 from being scratched or damaged Inspect the exterior and interior of the cabinet for evidence of damage If evidence of damage exists notify the delivering carrier at once to examine the 748 regardless of the external condition of the carton Under U S regulations damage claims must be collected from the consignee Do not return shipping damaged merchandise until after your claim has been established Once your claim has been established damaged merchandise may be returned to an authorized distributor for repair The invoice for repair
102. nce during start between 98 UF and 113 pF The overall effects of a running Capacitor are Increases break down torque 30 Reduces full load current Reduces full load noise Increases locked rotor torque 20 Increases overall efficiency The Start Relay contact is normally closed The Start Relay has a voltage sensitive coil that remains de energized until the voltage across its coil caused by the voltage across the Start Winding exceeds 162 175 VAC At this time the compressor has broken away from the load and is APi 748 V1 1 406 4 6 near its nominal running speed As the compressor shaft speed increases the voltage on the Start Winding also increases When the Start Winding voltage reaches the proper level the Start Relay coil will energize This opens the contacts to the Start Capacitor disconnecting it from circuit With the Start capacitor disconnected the current through the Start Winding will drop 70 The Bleeder Resistor provides a safe discharge path for any stored charge in the Start Capacitor Failure to return to the Start Relay and the Control Box to their correct mounting position will cause the motor starting voltages to be altered This could result in startup problems at low line voltages Always secure the Control Box before returning the unit to service When power is applied to the black wire the Evaporator Blower should run immediately CAUTION This is a HIGH Energy Circuit D
103. ne is operating normally Press MODE switch on the Machine Control Board the Display will change to SERVICE MENU n this mode you can set up the machine options and retrieve sales information see page 3 X ERRORS EXIST If the machine is out of service the Display will prompt ERRORS EXIST Pressing the MODE switch on the Main Control Board will cause the Display to change to the error description Pressing the RESET key will cause the Display to change to CLEAR ERRORS NO unless a Health Timeout Error occurred after the original error If this happened the Display will show HEALTH TIME OUT and you must press the RESET button a second time to reach the CLEAR ERRORS NO message To clear the error s press the 1 key to change from NO to YES and then press the 0 key the Display will show ERRORS CLEARED and then proceed to the next applicable message You may proceed to the next applicable message without clearing the errors if desired by pressing the RESET key Note Errors are not cleared until the Service Mode has been exited by closing the Coin Compartment Door Errors will not be cleared if the power is lost before re entering Vend Mode A Health Timeout Error will not be cleared unless you open the Main Door This action lets the computer system know that you have examined the food and taken any necessary steps to insure that it i
104. nterface board The proper LED indication with the 748 operating normally is listed below 748 Controller 5 On Continuous RL STATUS On Continuous Credit Module 5VOn Continuous RL TX Fast Blinking STATUS Depends on the cash system configured refer to Credit Module Indicators below Refrigeration Turret Module 5 On Continuous RL TX Fast Blinking BACKUP CONTROL On Continuous COMPRESS See Refrigeration Turret Module Indicators below Relay Interface Board LIGHTS On Continuous ENERGY CONTROL See Relay Interface Indicators below TURRET INTERLOCK On Continuous APi 748 V1 1 406 4 2 748 Machine Controller Indicators The 748 machine controller board has two LED indicators 5 Volts and RL STATUS 5 Volts This LED will be lit continuously indicating the 5 Volt on board power supply circuit is working properly RL STATUS This LED indicates the status of the Serial bus On Continuous indicates that all four Serial devices are communicating with the 748 controller Fast Flashing indicates that there is a fault on the Serial bus such that none of the Serial devices can communicate Slow Flashing indicates a failure to communicate with one or more Serial devices A code the num
105. ntil the Zero Pos has been found CHECK SOLD OUT DOORS The Check Sold Out Doors feature is used to verify that compartment has not been refiled with potentially tampered food or other objects When this option is ON the display will show CHECK SOLD OUT DOORS The price display at each delivery door wil show P if that compartment should be empty Open each compartment door and remove anything that might be in the compartment tampered food trash etc the display will change to Rotate the turret and check all compartments that show Once all compartments have been checked dashes will flash on all price displays and the display will go to the next applicable message As an alternate method you may visually check all of the sold compartments and then press the RESET key or open the Main Door to exit this function P N 77500001 AP 748 Showcase Operating Modes 00 DRIVER TEST INPUT TEST 27 xp aS y B 39 7 P N 746000xxx APi 748 V1 1 406 L WoTKES 1 _ WTeRion TEMPERATURE ERROR TIME AND DATE 4 NOTUSED 5 TIME AND DAY 7 OT USED 8 SOFTWARE VERSION 9 SERIAL NUMBER COIN COMPARTMENT OPEN PRESS MODE SWITCH TO ACCESS Menu SERVICE MENU 0 DIAGNOSTICS 1 xx COIN yy zzz 2 OPTIONS 3 PRICES SHELVES HISTORY
106. o rotate to locate the home position If the turret is already at home the coin door is open or the Main Door is open the turret will not rotate Upon reaching the home position the price displays will be updated with the appropriate prices P N 77500001 Refrigeration System The self contained refrigeration system 15 designed to slide in and out of the vendor as one complete assembly A standard three pin AC power cord supplies power to the compressor evaporator blower and the condenser fan The evaporator blower runs continuously while AC power is applied The condenser fan runs only when the compressor is running The compressor and condenser fan are controlled by a relay located in the Refrigeration Turret Module There is a Refrigeration Interlock Power Switch mounted on the Power Panel in the lower left corner of the 748 cabinet This switch is activated by closing the Main Door With the Main Door open there is no power to refrigeration system Upon closing the Main Door there is a one minute delay before the compressor will be turned on This prevents quick on off cycles of the compressor and extends its life Printer Setup A serial printer may be connected to the 748 to print out audit information and history logs The serial printer must be configured as follows Baud Rate 600 to 19200 Data bit length 8 Parity None Stop bits 1 The baud rate of the printer must match the baud rate set up in the 748 The def
107. oint of Sale Message 7 1 This menu allows changing the point of sale message A point of sale message may be up to 250 characters long however the display can only show a small portion of the message at one time Therefore when this function is started only the first 14 to 17 characters of the message will be displayed The first character in the message will be blinking This is the insertion point and the blinking character is the focus character The character on the far right of the display is the current character The keys specified below are used to change the current character and to insert it into the message at the insertion point The current character on the right can overwrite the focus character flashing or can be inserted after the focus character The 1 amp 2 keys are used to move the message left and right while the insertion point stays in the same place on the display This moves the focus character position along the message for editing When a message is moved all the way to the left characters will be shifted on the right These characters represent the end of the message DISPLAY P INSERT MONEY A 1 Moves the message left 1 position 2 Moves the message right 1 position 3 Increments the current character 4 Decrements the current character 5 Overwrites the focus character with the current character APi 748 V1 1 406 3 23 6 Inserts the current character at the inse
108. ompressor is inoperative perform the following checks before replacing the unit Be sure to hold the Refrigeration Interlock Switch closed when making the operational checks NOTE When the Refrigeration Interlock Switch is depressed there is a one minute power up delay to the compressor circuit 1 Measure the line voltage If the line voltage is below 105 volts the compressor may fail to start or run hot 2 If the line voltage is correct check the automatic thermostat operation by connecting a jumper wire across the terminal with power disconnected 3 The Start Capacitor Run Capacitor and Start Relay are best tested by substituting them with know good components This way there can be no doubt of test results 4 Check Thermal Overload for continuity 5 With the motor leads disconnected from the circuits check the compressor motor windings with a Volt Ohm meter set on R x 1 scale Readings 10 Common to Start 5 Ohms Common to Run 1 Ohm Start to 6 Ohms 6 Check for a grounded winding with a Volt Ohm meter from the Start Capacitor to the metal casing and the Run Capacitor to the metal casing There should be no continuity If there is replace the compressor COMPRESSOR CIRCUIT SYSTEM The Compressor Motor is a Two Value Capacitor Motor During start up both the Running and Starting Capacitor are in the circuit This makes the total capacita
109. ons pertaining to this manual or the vendor please contact your APi distributor or write directly to Technical Services Dept Automatic Products int 75 W Plato Blvd St Paul Minnesota 55107 USA 2003 Automatic Products international Itd APi 748 V1 1 406 1 1 P N 77500001 This manual provides detailed information regarding the unpacking setup installation and programming and operation of the Automatic Products international 748 Showcase cold food merchandiser Please read and understand the contents of this manual before attempting to setup and install the machine HOW TO USE THIS MANUAL This manual is divided into four basic parts Unpacking and installation Components Optional Equipment Quick Set up Guide Troubleshooting CAUTION This machine is designed for indoor usage only other usage may void the Manufacturers Warranty CAUTION Certain procedures in both the operating section and the service section require that voltage be on in the machine Only trained personnel should perform this function Exercise extreme caution while performing these procedures These procedures will be marked with the lightening bolt symbol as it appears at left CAUTION Certain procedures in both the operating section and the service section requires a qualified trained technician to perform the particular task at hand These procedures will be marked with the exclamation symbol as it appears at left Expla
110. programmed Dispense lines to Coin Mech disconnected DUMB Mech Defective Coin Mech Defective Credit Module Empty dollar coins see Coin Tubes in Section 3 Reload Coin Mech Check continuity between Credit Module Coin Mech pin 10 pin 9 pin 9 pin 8 pin 8 pin 7 pin 7 pin 14 Replace Coin Mech Replace Credit Module CARD RDR NO COMM Communication to the card reader was lost Check plugs and harnessing If multiple devices not communicating replace Credit Module Replace Card Reader Turret does not rotate Turret overload or jammed Delivery Door door unlocked opened or Harness Connector problems No signal from Message Center Remove obstruction Check interlock relay on Relay Interface Board Check terminals on motor Check motor resistance see Table 4 1 Resistance Chart Check Refrigeration Turret Module P1 to motor terminals Check from Controller P1 to Display P1 Check Controller indicators for Refrigeration Turret or Message Center RL problems Replace defective Message Center Defective Refrigeration Turret Replace Refrigeration Turret Module Module APi 748 V1 1 406 4 14 P N 77500001 Problem Probable Cause Solution Turret only turns one direction DC Motor defective Message Center Rocker Switch defective Defective Refrigeration Turret Module Check for 24VDC across motor If present replace
111. pted set to YES otherwise set to NO NOTE Key 5 or 6 will advance to the next bill denomination DISPLAY ACCEPT xx 00 YES xx is the denomination to accept or not 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving EXEC MECH CASH SYSTEM OPTIONS No Programmable options available P N 77500001 Pressing the 7 Key from Service the display will prompt SET UP 2 View Set Serial Number 1 Set Point of Sale Message 4 Set Date 6 Set Temperature Range 3 View Set Machine ID 5 Set Time amp Day 8 Set Printer Baud Rate 9 Set Language 8 Set Date Format 0 Program Event Scheduler APi 748 V1 1 406 3 22 P N 77500001 Pressing the 7 Key from Service the display will prompt SET UP KEY 7 Set Up This menu allows the operator to set various machine parameters Each function in this service menu requires a two key entry to run the first key is 7 and the second key is one of the following 1 Set point of sale message 2 View set serial number 3 View set machine ID number 4 Set the date 5 Set the time and day 6 Set the food compartment temperature range 7 Set the date format 8 Set the printer baud rate 9 Set the language 0 Program the event scheduler P
112. ption will allow a choice of which bill denominations to accept and which to return All denominations that can be accepted by the MDB bill validator will be presented for selection If a bill denomination is to be accepted set to YES otherwise set to NO NOTE If the display shows NO BA COMM communication with the bill validator has not been established Ensure all harnesses are plugged in properly and the cash system type is set to MDB The power to the 748 may have to be cycled OFF then back ON to reset the cash system settings before communication will be established NOTE Key 5 or 6 will advance to the next bill denomination that the bill validator can accept When the last bill is displayed the display will go back to the top of the option list and show the coin changer option DISPLAY ACCEPT xx 00 YES xx is the denomination to accept or not Key Function 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving P N 77500001 Cash System Type MDB Continued Token Options This option appears if token acceptance was turned on in the Accept Bills menu Note the Bill Acceptor must accept tokens for this feature to be accessed The Token Vend feature has 3 different options for handling Token acceptance
113. r 5 2 22 R 44814020 Rail and Cover 10 R 44800491 Door Runner Molding 10 R 44800693 Deliver Door Runner 10 R 44800694 Extension Runner not shown 12 R 44800492 Delivery Door Stop not shown AIR R 49000908 Delivery Door Bumper 11 23 R 44800586 Gasket Guard Main Door 2 24 R 54800519 Anti Tamper Bracket Center 1 25 R 28213301 Plate Assembly Locks Delivery Door see Page 6 25 1 APi 748 V1 1 406 6 7 P N 77500001 Lower Main Door Components 12 2 1 16 15 14 13 REMOVE 4 MOUNTING SCREWS 3 TO REMOVE BLOWER ASSEMBLY 20 21 22 19 WIRES TO SWITCH MUST BE ROUTED BEHIND THERMOSTAT WIRES 18 23 17 24 ROUTE WIRES THRU CLAMP FROM THIS SIDE 29 25 26 28 27 APi 748 V1 1 406 6 8 P N 77500001 Lower Main Door Components 19 R 28223901 Housing Assembly ney MU Description oy 1 R 44812403 Cash Box Mounting Bracket W A 1 2 R 44801916 Cash Box W A 1 3 R 44800575 Door Leg 1 R 93400307 Screw 3 4 R 52621286 Door Interlock Switch 1 5 R 44802495 Interlock Switch Mounting Plate 1 6 R 44802496 Interlock Switch Mounting Bracket 1 R 93400307 Screw 4 7 R 44802514 Door Channel Cover 1 8 R 21200328 Extension Spring 1 R 97500552 Type 16 Nylon Tie 2 R 93400307 Screw 2 9 R 28201801 Relay Interface Assembly 1 R 93400307 Screw 2 10 R 28204401 Line Filter
114. reas Use a clean lint free cloth moistened with a mild dishwashing liquid Coin Mechanism and Bill Acceptor Regularly check and clean the coin paths leading through the flight deck and coin tubes Follow cleaning instructions as supplied by the payment peripheral manufacturer Refrigeration System The refrigeration intake screen should be checked routinely It is easy to remove with the Main Door open The condenser coil and exhaust screen should be checked and cleaned at least once a year These areas should be checked more often if the location is dusty or dirty The entire refrigeration unit needs to be pulled out to clean the condenser coil and exhaust screen The process of removing the refrigeration unit is simple and easy and should only take about five minutes Cleaning the Refrigeration Unit 1 Turn off the main power switch 2 Remove the screws securing the right refrigeration cover located at the lower front of the cabinet 3 Unplug the connector on the power supply panel 4 Remove the top center screw on the power supply panel and the screw to the right of the right most power supply hinge then rotate the power supply forward 5 Disconnect the refrigeration AC power plug to the refrigeration system the 3 pin harness connector and the 2 pin harness connector 6 Disconnect the 6 pin connector to the transport motor 7 Disconnect the harness to the backup thermostat 8 Disconnect the 3 pin harness
115. ret is at the home position If the turret is already home or any door is open delivery main or coin mech compartment it will not rotate on power up Electronic Digital Thermometer The electronic temperature sensor is located in the return air compartment of the evaporator under the evaporator screen The temperature sensor is used to monitor the temperature of the cabinet interior food compartment by the Refrigeration Turret Module which in turn controls the refrigeration unit and reports the temperature to the 748 Machine Controller The Machine Controller uses the reported temperature to run the Health Control feature Should the Refrigeration Turret Board fail the temperature is controlled by manual thermostat located on the air return plenum of the refrigeration unit To read the interior cabinet temperature while the machine is running in the vend mode push HOT KEY 1 push and hold the RESET button then push the 1 button See page 2 1 for a description of all Hot Keys 77500001 Relay Interface Board Located on the inner front door near the lower hinge this board contains the energy control relay for the door heaters the turret motor interlock relay and the lights relay It also provides rectified 24VDC for coin mechanisms and rectified and filtered 24VDC used to power all of the logic boards Delivery Door Defrost Blower To prevent fogging in high humidity environments a defrost blower and heater
116. roceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Tube Sensing An MDB coin changer will automatically keep track of coins in the tubes To use this feature set Tube Sensing to AUTO Due to the design of some coin changers they cannot report the exact number of coins in the coin tubes To ignore the coin tube counts APi 748 V1 1 406 3 17 reported by the coin changer set Tube Sensing to MAN manual This will allow the 748 to keep track of coins deposited and dispensed from the coin changer NOTE Some coin changers will not dispense a coin even when commanded to do so In this case the tube counts in the 748 will become corrupt and a customer may get short changed Before using the manual tube sensing option be sure the coin changer will operate its dispensing mechanism regardless of the number of coins in the tube especially when the tube is almost empty DISPLAY TUBE SENSING MAN 1 Toggles between MAN and AUTO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Accept Small Coins Some MDB coin changers are set up to accept coin values smaller than the lowest value coin stored in a coin tube
117. roceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Token Vend Only This feature only appears with Token Vend Product Code If set to YES then items within the set product code range may only be purchased with a token If set to NO then those items may be purchased with cash or tokens DISPLAY TOKEN ONLY NO 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving P N 77500001 Cash System Type DUMB MECH DUMB MECH CASH SYSTEM OPTIONS Coin Mech If the coin mech is connected set to YES otherwise set to NO DISPLAY COIN MECH YES Key Function 1 Toggles between YES and NO 5 Saves choice and proceeds to the next option 6 Proceeds to the next option without saving 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Tube Sensing The Tube Sensing option determines how the 748 will keep track of coin changer tube coin counts Coin tube counts are changed as coins are deposited and dispensed from the coin changer Setting this option to COUNT will cause the 748 to ignore the coin tube level sensors in the coin changer
118. rol When this green LED is lit the Refrigeration Turret module is in control of the Refrigeration Unit If the LED is off control is transferred to the Backup Thermostat on the Refrigeration Unit Compressor LED Indicates that the compressor is turned on Message Center Indicators There are no LED indicators on the Message Center If the display lights up with the proper message the 5 V is present The 5 Volt supply to power the Keypad Display board Message Center is supplied by the Credit module Column Price Display Indicators There are no LED indicators on the Column Price display boards The 24 Volt 3 Volt and 5 Volt supplies to power the Column Price display boards are supplied by the 748 controller Relay Interface Indicators There are three LED indicators on the Relay Interface board LIGHTS ENERGY CONTROL and TURRET INTERLOCK LIGHTS This LED is lit whenever the fluorescent lamps are on ENERGY CONTROL This LED is lit when ever the Energy Control relay is on When this LED is lit power is being supplied to the heater in the blower assembly that blows air across the delivery doors and the Main Door display glass Whenever the refrigeration compressor is running the Energy Control relay will drop out and this LED will turn off TURRET INTERLOCK This LED will be lit whenever the turret interlock relay is energized When energized the turret interlock relay connects the power supplied to
119. rt position 7 Deletes the focus character 9 0 Deletes the message from the focus character to the end 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving Serial Number 7 2 Change the machine serial number stored in the 748 Machine Controller DISPLAY SERIAL 00000000 x Press any number key and that number will be shifted into the serial number from the right The new serial number will automatically be stored when the 8th number key is pressed RESET Returns to the top of the service mode without saving Machine ID 7 3 Change the machine ID number stored in the 748 Machine Controller DISPLAY MACH ID 00000000 x Press any number key and that number will be shifted into the serial number from the right The new machine ID number will automatically be stored when the 8th number key is pressed RESET Returns to the top of the service mode without saving Set Date 7 4 View and change the current date DISPLAY SET DATE mm dd yyyy or SET DATE dd mm yyyy mm is the month dd is the day yyyy is the year Key Function 1 Increments the month 2 Decrements the month 3 Increments the date 4 Decrements the date 7 Increments the year 8 Decrements the year 0 Saves choice and returns to the top of the service mode RESET Returns to the top of the service mode without saving P N 77500001 SET
120. s are set back to the factory default settings the non resettable MIS information is cleared and the prices are set back to factory defaults The default prices are 99 95 for all shelves If the battery backup RAM checksum test fails the 748 will go out of service The OUT OF SERVICE message will be displayed and the lights will turn off The refrigeration unit will still continue to operate and will keep the food compartment at the default temperature settings of 34 to 41 F When the Coin Door is opened the ERRORS EXIST message will be displayed The error will be RAM CHECKSUM ERROR and will require the operator to check all machine options for corrupt settings The operator may choose to perform a Full Initialization which will return the machine to the factory default settings Instructions on how to perform a Full Initialization may be found under Diagnostics in Section 3 Refer to the RAM CHECKSUM ERROR in the Troubleshooting chart for diagnosing the cause this problem If the EPROM checksum test fails the 748 Main Controller Board will not run The Price Display and Message Center will display their default startup messages The refrigeration unit will still continue to operate and will keep the food compartment at the default temperature settings of 34 to 41 F The RL Tx LED which is normally lit continuously will not be lit P N 77500001 REFRIGERATION SYSTEM If the Refrigeration System c
121. s safe for consumption Since the Control Board continues to monitor all systems even while it is out of service other errors may have occurred during the downtime To be certain that there are no other problems in APi 748 V1 1 406 3 1 the machine always check the Error History before putting the machine back into service Refer to Section 4 Troubleshooting to help resolve any reported errors There is an error log that will retain the last 20 errors that occurred Refer to History in the Section 4 Troubleshooting to view and or print the error history CHECK HISTORY LOG If a non shutdown event such as a bill jam occurred since the last servicing CHECK HISTORY LOG will be displayed If from a preceding error condition press RESET to continue Otherwise press the MODE Switch to continue It is recommended that the History Log be checked for non shutdown events upon entering the service menu See KEY 4 History in this section TURN TILL ZERO This message is displayed when the Turret Position has not been initiated To initiate the Turret Position rotate the turret using the Turret Keys until ZERO POS FOUND is displayed on Message Center At this time the Center Price Display will be updated to reflect current pricing and the Sold display is updated Turn Till Zero function may be aborted by pressing the RESET key In this case some functions in service mode including pricing can not be accessed u
122. sages and their causes is on page 4 15 P N 77500001 TURRET MOTOR ERRORS Upon power up turret motor zero position is reset and needs to be located The zero position is indicated via the activation of a magnetic switch mounted on the Main Door by a magnet mounted on the turret The Main Door must be closed to find the zero position The zero position will also need to be found if any motor error occurs either in vend mode or service mode NOTE Each time the machine is turned ON the turret will rotate until zero position is located An error message will be generated if the zero position cannot be located If the error occurred in vend mode the machine will be put out of service the motor will be disabled and the error message will be inserted into the error queue If the error happens while in service mode a temporary error message will be displayed Another temporary error message will appear each time the turret motor is turned until zero position is located again If a motor error occurred while the service switch is on the temporary message will be displayed and the motor will be stopped To restart the motor the service switch must be turned off and then on again DC Resistance If the troubleshooting chart indicates a motor or a solenoid malfunction test the coil with an ohmmeter as instructed below Resistance Ohms 10 Door Latch Solenoid 41 5 Ohms P N R 28212801 Transport Motor 10 Ohms P N R 548018
123. shown 1 19 R 44802564 Remote Electronics Clip 1 APi 748 V1 1 406 6 11 P N 77500001 Door Assembly Coin Mech Compartment APi 748 V1 1 406 6 12 P N 77500001 Door Assembly Coin Mech Compartment Key Part Number Description Qty 76600000 Coin Mech Compartment Door Assembly Ref 1 R 54800433 Message Center Latch Spring 1 438 8 Nut 2 2 R 44800733 Coin Mech Door Lock Bar Bracket 1 R 93400151 Screw 2 R 44802417 Coin Mech Door Lock Bar 1 R 70134133 Retaining Ring 2 3 76400001 Lock Bar Actuator Cam 1 R 44800734 Handle Nut Spacer 1 R 92400181 T Handle Nut 1 4 R 28219501 Coin Mech Compartment Door Hinge 1 5 R 44802426 Coin Return Chute 1 6 R 44801417 Coin Return Back Chute 1 7 202810 Coin Return Cup 1 12000348 Security plate to Convert Standard Coin Cup to Alt Security Coin Cup 16600280 Security Coin Cup Alt 420144 Ferrule 1 305 8R6 Screw 8 X 3 8 1 8 R 54801422 Coin Insert Assembly 1 9 R 54801414 Coin Insert Bracket W A 1 R 89293007 Bracket Mounting Screw 4 10 R 44802424 Coin Chute 1 R 44802425 Coin Chute Backing Plate Gate 1 R 93400151 Screw 5 11 R 44812408 Coin Return Lever and Nut 1 R 92100026 Coin Return Lever Screw 1 R 92400006 Coin Return Lever Nut 1 12 R 49000435 Coin Return Pivot Shaft 2 R 93300005 Retaining Ring 3 13 R 49000498 Lever Return Spring 1 14 R 49
124. ta If PRINT is showing the audit data will be sent to the serial printer If DEX UCS is showing the audit data will be sent to a hand held device through the serial connector in DEX UCS format APi 748 V1 1 406 3 26 1 Toggles YES NO 0 To clear data RESET Returns to the top of the service mode At the end of the Audit Data the user will be prompted CLEAR AUDIT DATA Use the 1 key to toggle between YES and NO The 0 key will save the selection P N 77500001 Pressing the 9 Key from Service the display will prompt Enter New Code ENTER NEW CODE APi 748 V1 1 406 3 27 P N 77500001 SECURITY KEY 9 Security To protect specific menus from unauthorized access the security feature may be enabled Menus that are protected by security will not be allowed access until the proper four digit code has been entered Other menus will continue to be fully accessible If security is turned on and the security code has not been entered the security feature allows the code to be entered in order to access the secured menus DISPLAY ENTER NEW CODE x Any numeric key pressed will show on the display as an When four digits have been entered the machine will returns to the top of the service mode RESET Returns to the top of the service mode NOTE If the security code is not entered properly the secured menus will not be accessible If this happens reenter the security code
125. ture sensor is located in the return air compartment of the evaporator under the evaporator screen NOTE The compressor control processing is controlled by the Refrigeration Turret Module and is independent of the health control processing which the 748 Machine Controller handles If the 748 goes out of service the compressor control processing will continue to operate The temperature sensor is a solid state temperature transducer This temperature sensor converts 748 V1 1 406 2 5 temperature to voltage which is monitored by the Refrigeration Turret Module The temperature is transferred to the 748 Machine Controller where it is used for Health Control processing Compressor Algorithm The compressor will turn on one minute after closing the main door and will stay on for 20 minutes or until the food compartment temperature falls below the low temperature range setting If the temperature does not reach the low setting within 20 minutes the compressor will turn off for two minutes then turn back on for another 20 minute period This 20 minute on two minute off cycle will continue until the food compartment temperature falls below the low temperature range setting Once the temperature in the food compartment falls below the low temperature range setting the compressor will turn off for at least three minutes After three minutes if the temperature rises above the high temperature range setting the compressor will tur
126. tween SEQUENCE and MANUAL 0 Starts the driver test RESET Returns to the top of the service mode DISPLAY DRIVER TEST xx xx is the current driver being exercised Driver test sequence mode 0 Turns off the current driver and turns on the next driver RESET Returns to the top of the service mode Driver test manual mode 1 Scrolls forward through door selections 2 Scrolls backwards through door selections 0 Toggles the specific driver ON and OFF RESET Returns to the top of the service mode P N 77500001 Diagnostics Continued Driver test detailed The Driver Test diagnostic is used to help troubleshoot the delivery door drivers lock assemblies and the turret interlock circuit There are two modes that can be used for the driver test sequence and manual When the Driver Test diagnostic is first started the display will show DIVER TEST SEQUENCE Pushing the 1 key will toggle between SEQUENCE and MANUAL on the display Push 0 to select the driver test that is displayed The display will change and show DRIVER TEST 01 The Sequence Driver Test will energize each door latch driver in sequence starting with the 01 driver Pushing the 0 key will advance the driver test to the next driver shutting off the previous driver The display will be updated to show the currently active driver The driver numbers shown correlate to the delivery door number used to make FIFO selections Pushing 0 when th
127. uthorized dealer distributor d extend to a Unit which has had the serial number removed defaced or otherwise altered e extend to plastic or glass windows lamps fluorescent tubes and water contact parts f extend to any unit used outdoors g extend to accessories used with the Unit that were manufactured by some person or entity other than APi APi DISCLAIMS ALL OTHER WARRANTIES OF ANY KIND AS TO THE UNIT AND ALL WARRANTIES OF ANY KIND AS TO ANY ACCESSORIES THIS DISCLAIMER OF WARRANTIES INCLUDES ANY EXPRESS WARRANTIES OTHER THAN THE LIMITED WARRANTY PROVIDED ABOVE AS TO THE UNIT AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AS TO THE UNIT AND ANY ACCESSORIES UNDER NO CIRCUMSTANCES SHALL APi BE RESPONSIBLE FOR ANY INCIDENTAL CONSEQUENTIAL OR SPECIAL DAMAGES LOSSES OR EXPENSES ARISING FROM OR IN CONNECTION WITH THE USE OF OR THE INABILITY TO USE THE GOODS FOR ANY PURPOSE WHATSOEVER No representative of APi or any other person is authorized to assume for APi or agree to on the behalf of APi any other liability or warranty in connection with the sale of this Unit APi reserves the right to make any changes or improvements in its products without notice and without obligation and without being required to make corresponding changes or improvements in Unit theretofore manufactured or sold AUTOMATIC PRODUCTS intermatienal lid A Higher Standard Should you have any questi
128. ware Versions 6 Driver Test 3 Health Test 5 Log to Printer 7 Input Test 0 Full Initialize APi 748 V1 1 406 3 29 P N 77500001 Diagnostics KEY 0 Diagnostics There are several diagnostic functions built into the 748 to aid in troubleshooting Each diagnostic item discussed below is accessed using the keypad in the service mode Each function in this service menu requires a two key entry to run the first key is 0 and the second key is one of the following 1 Temperature status 2 Time over health 3 Health test 4 Software versions 5 Log to printer 6 Driver test 7 Input test 8 Not used 9 Not used 0 Full initialize Temperature Status 0 1 This feature displays the food compartment real time temperature in Fahrenheit and Celsius When the compressor is running the letter C will appear on the far right of the display A blinking asterisk demonstrates the update rate of the display See Temperature Status under Diagnostics in Section 4 for more information DISPLAY TEMP 39F C RESET Returns to the top of the service mode Time Over Health 0 2 Time Over Health is useful in determining how long the food compartment was over the health temperature and how warm the food compartment actually got during that time The maximum temperature will be displayed in F or C depending on the temperature range setting of the 748 With this data a more informed decis
129. when service activities are in process The 748 supports a TIMED LOCKOUT feature which may be programmed to prohibit sales at specified times during the week using a scheduled event When the 748 is shutdown due to such a scheduled event the machine lights will be off and a message will be displayed on the message center showing MACHINE SHUTDOWN UNTIL xx yy where xx yy is the time when the machine will go back into service During programmed shutdown the refrigeration and health control systems continue to work normally The shutdown option must be set to PER SCH and a shutdown event must be programmed in the event schedule Multiview When Multiview is turned on the turret is rotated three positions every three minutes of idle time Multiview is used to draw attention to the 748 and to periodically move the food in the refrigerated compartment to provide uniform temperature control Multiview can be turned on or off or can be scheduled to turn on and off at specified times of the day using a scheduled event EXCEPTION If the operating temperature range is set for 1 C 3 C the multiview option cannot be disabled or turned off 748 V1 1 406 2 8 Discount Three different discounts may be programmed Discount amounts will be subtracted from the regular price whenever that discount becomes active The prices on the price display will reflect any active discount If the discount amount is greater t
130. yed If the log is full the log entry number will be 19 otherwise the log entry number will be the same as the number of entries in the log As more entries are recorded the oldest entries are discarded so only the most recent 20 remain in the log When the error log is displayed it requires two lines on the display The first line shows the log number and the error and the second line shows the time and date it was logged Example of error log entry displayed 1 HEALTH TIME OUT Push key 3 to display line 2 1 10 36AM 1 02 01 Example error log printout see 4 9 to print AUTOMATIC PRODUCTS 748 VER xx xx ERROR LOG 11 46 FRI 01 05 2001 8 37AM 1 02 01 MAIN DOOR OPEN 10 36AM 1 02 01 HEALTH TIME OUT P N 77500001 History Continued Temperature Log 4 3 This log contains a minute by minute history of the temperature of the food compartment It retains one hour s worth of data DISPLAY xx yyF zzC xx is the log entry number yy is the logged temperature in Fahrenheit zz is the logged temperature in Celsius C indicates the compressor was on at this time 1 Scrolls forward through the log 2 Scrolls backward through the log RESET Returns to the top of the service mode Temperature Log Detailed The Temperature Log is a log containing up to the last 60 minutes worth of food compartment temperatures recorded in one minute intervals When the log is displayed on the Message Center the

API 748 Showcase Manual - Greater America Distributing

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