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SERVICE MANUAL - Whaley Food Service

1. 15 TO CHANGE REMOVE TIME 15 TO CHANGE THE SET TEMPERATURE 15 TO CHANGE DUTY CYCLE BOTTOM 16 TO RESTORE FACTORY SETTINGS 16 TO CALIBRATE 17 TROUBLESHOOTING GUIBE 18 CONTROLLER PRODUCT SETTINGS 19 REPLACE CELL 20 REPLACE THECONTROLLER 20 NON SCHEDULED MAINTENANCE 20 REPLACETHERMOCOUPLE 21 TO REPLACE 24 VOLT 21 REPLACE HI LIMIT CONTROL 21 TO REPLACE BLOWER MOTOR ASSY OR BLOWER WHEEL 22 REPLACE MOTOR RESET SWITCH 22 TO REPLACE DOOR ASSEMBLY 23 TO ADJUST OR REPLACE DOOR SPRING SLEEVE ASSY OR DOOR STOP W CHAINON 4 S 8 65 BUILT PRIOR 4 23 93 23 TO ADJUST OR REPLACE DOOR SPRING SLEEVE A
2. DECK a eee Eas Saas L nnn __ em RE rolce ADNE NOMINAL AMPERES 240W 208V REQUIRED w a LOADING INFORMATION I5 anda HVAC HOOD FIRE SUPPRESSION INTERLOCK CIRCUIT 120V 1 AMP SINGLE PHASE ADDITIONAL REQUIRED CONNECTION INSTALLATION U S A CAUTION Prior to installation check the electric supply to ensure input voltage and phase match the equipment voltage rating and phase See data plate located top front of top cell control section NOTE The 4 and 6 have two 2 Power Supply Cords and one 1 Interconnect Cord Each plug shall be supplied by an individual branch circuit of 60 AMPS These instructions must be followed to ensure proper installation of this unit The power connections for the oven are two 2 NEMA No 15 60P 60 AMP 208 240 Volt 3 Phase plugs and one 1 NEMA No L21 20P 20 AMP 120 208 Volt 1 Phase plug The 2 utilizes one 60 AMP 250 Volt 1 Phase plug receptacle provided Unit is to be located directly under ventilation sys tem Unit must maintain a four 4 minimum clearance from rear wall Unit must be level and front casters placed in locked position WARNING The appliance area must be kept free and clear of combustibles WARNING All electrical appliances must be elec trically grounded
3. Remove left corner column a open all cell doors b remove 2 screws from inner left side of cell opening See door rod and door spring Remove slotted that is securing door spring Slide door spring off door rod Reinstall door spring Adjustment of spring tension can be accom plished by using one of the other three holes in front frame To reinstall reverse steps 1 through 4 23 PROCEDURE NO 9 TO ADJUST OR REPLACE DOOR SPRING SLEEVE ASSY OR DOOR STOP W CHAINON 4 S amp 6 S BUILT PRIOR 4 23 93 WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver Straight screwdriver 7 16 wrench Parts Door spring No 1688601 Item 27 Roller Bearing No 1093001 Item 29 Chain Assy No 1639399 Item 27 See access Location B Mechanical function of these components self evident Adjust spring tension by tightening 1 4 20 nut Lock in place with jam num 2 0 2 a PROCEDURE NO 11 TO REPLACE DOOR ASSEMBLY WARNING Should be accomplished by a qualified service person Tools No 2 Phillips screwdriver Parts Door assembly No 1632993 Open door Remove three screws on each side of door carefully removing door handle 1 Open door 2 Remove three screws on each side of door carefully removing door handle Slide door off door arms Reverse procedure to replace door 3 PROCEDURE 0 12 TO REPLACE BUSHIN
4. ECT 74 1718501 Supplies power to contactors 4 Supplies power to Master Power 1718502 Interlock cord set 1 ON OFF switch 6 6 11718503 For U S A models only Used on 2 Packs after June 1993 1193900 Terminal Block 208V Junction 7 7 c 2 PARTS IDENTIFICATION AND FUNCTION 2CELL 4 CELL 6 CELL ITEM PART DESCRIPTION FUNCTION Y Y 8 1637700 2 2 Em 1637701 Non Locking Caster Support base 2CELL 4 CELL 6 CELL 10 1631796 __BotomJetPlatewude 2 4 6 air and supports rack 11 1635000 2 4 e f Supporsprodut 12 8005200 1 Fastener Prior 58 12 13 1635700 Contoler 2 4 6 Contolstmeand temperature 1635708 2 4 6 Contolime and temperature 14 1635900 Mo orReset wich 4 6 Restart Motor 15 1130007 4 8 12 ResetMoir 16 1130106 FuseHoder 4 8 12 Used Prior to June 1993 10 PARTS IDENTIFICATION AND FUNCTION PART 8 DESCRIPTION 4 CELE eR FUNCTION 6 Provides voltage to 24V control system Monitor oven temperature for control 5 Prevents excessive temperatures T 2CELL 4 CELL 6 CELL 22 1616800 208 Heater Element 8 16 24 source _____ 1616803 208VAC Heat
5. amp Sub Menu s 1 Ensure ALL Controllers display OFF 2 PRESS and HOLD the PROG button for 2 two seconds to activate the controller in the Program Mode The control panel will display the program identification number 3 PRESS the MENU SELECT button to select the menu item to be changed 4 PRESS the FUNCTION button time s See Note following this step to obtain DUTY CYCLE BOT XXX NOTE If changing HEADER MENU ITEMS in STEP 4 Press the FUNCTION button 2X If changing MAIN or SUB MENU ITEMS in STEP 4 Press the FUNCTION but ton 3X 5 PRESS the VALUE button to change the value of the flashing digit 6 PRESS the CURSOR button to scroll the flash ing digit to the right 7 REPEAT steps 5 4 6 until the desired DUTY CYCLE has been achieved 8 PRESS the MENU SELECT button until REMOTE UNIT UPDATE appears in the dis play 9 PRESS the FUNCTION button to obtain TRANSMIT DATA with a flashing N 10 PRESS the VALUE button to change the N to a flashing Y 11 PRESS the PROG button The top display will say Transmitting Data while the other cells display Recieving Data 12 PRESS the PROG EXIT switch to exit the pro gramming mode Verify that the control panel says OFF TO CHANGE DUTY CYCLE BOTTOM Header Main amp Sub Menu s 1 Ensure ALL Controllers display OFF 2 PRESS and HOLD the PROG button for 2 two seconds to activate the controller in the Prog
6. mounting screws N J W 21 PROCEDURE NO 5 TO REPLACETHERMOCOUPLE WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver Straight screwdriver Parts Thermocouple No 1636100 Item 18 1 See access Location C 2 Open cell door See perforated rear panel 3 Remove 2 screws from rear panel See thermo couple mount clips Release thermocouple from mount clips Gently pull thermocouple through oven side right Release red and yellow leads from con troller Reverse procedure to replace new thermocouple spacers are reinstalled on rear panel mounting screws PROCEDURE NO 6 TO REPLACE MOTOR RESET SWITCH WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver 9 64 Drill Bit Drill Parts Kit No CK5000 includes motor reset bracker 175830 10 x 1 2 Sheet metal screws 3 8 Plug Button As most motor reset failures involve the breaking of the stem and not the failure of the component this kit will allow you to mount the motor reset inside the control box leaving no possibility for physical damage Please follow these steps See access Location C Unplug all cordsets from the wall sockets Remove right body side Locate broken motor reset and attach it to new motor reset bracket using stem nut on motor reset 5 Locate bracket and motor reset on wall of control b
7. N 10 PRESS the VALUE button to change the N to a flashing Y 11 PRESS the PROG button The top display will say Transmitting Data while the other cells dis play Recieving Data 12 PRESS the PROG EXIT switch to exit the pro gramming mode Verify that the control panel 15 says OFF TO CHANGE REMOVE TIME Main amp Sub Menu s ONLY 1 Ensure ALL Controllers display OFF 2 PRESS and HOLD the PROG button for 2 two seconds to activate the controller in the Program Mode The control panel will display the program identification number 3 PRESS the MENU SELECT button to select the menu item to be changed 4 PRESS the FUNCTION button to obtain REMOVE XX XXM 5 PRESS the VALUE button to change the value of the flashing digit 6 PRESS the CURSOR button to scroll the flash ing digit to the right 7 REPEAT steps 5 amp 6 until the desired REMOVE TIME has been achieved 8 PRESS the MENU SELECT button until REMOTE UNIT UPDATE appears in the dis play 9 PRESS the FUNCTION button to obtain TRANSMIT DATA with a flashing N 10 PRESS the VALUE button to change the N to a flashing Y 11 PRESS the PROG button The top display will say Transmitting Data while the other cells display Recieving Data 12 PRESS the PROG EXIT switch to exit the pro gramming mode Verify that the control panel says OFF TO CHANGE DUTY CYCLE TOP Header Main
8. in accordance with local codes or in the absence of local codes with national electric code ANSI NFPA latest version CAUTION The 4 and 6 have more than one 1 power supply cord Unplug all cords before moving or servicing this appliance WARNING INSTALLER NOTE The 4 and 6 ovens are designed for connection to a special inter lock system Check receptacle wiring diagram below before connecting 120 VAC To Motor On Fan Zu Neutral 22 INSTALLATION CANADA CAUTION Prior to installation check the electric supply to ensure input voltage and phase match the equipment voltage rating and phase See data plate located top front of top cell control section NOTE four 4 pole five 5 wire plug and a four 4 wire with ground cord must be provided for power connection on the 4C and 6 Check the local Codes and Standard for proper wire size Unit must maintain a four 4 minimum clearance from rear wall Unit must be level and front casters placed in locked position WARNING The appliance area must be kept free and clear of combustibles WARNING electrical appliances must be elec trically grounded in accordance with local codes PARTS IDENTIFICATION AND FUNCTION 2 CELL 4 CELL 6 CELL ITEM PART DESCRIPTION FUNCTION 1 1 1639700 Master On Off Switch a 2 2 3 i mi BED ta
9. is safety related the word NOTE CAUTION or WARNING are used Their usage is described below NOTE The word NOTE is used to highlight espe cially important information CAUTION The word CAUTION is used to alert you to a procedure that if not performed properly may damage the equipment WARNING The word WARNING is used to alert you to a procedure that if not performed properly may cause personal injury We suggest installation maintenance and general repairs be performed by local Authorized GAR LAND Service Agencies shown in your GARLAND Agency Distributor list provided with the oven DIMENSIONAL DIAGRAM MC E20 2 RIGHT SIDE VIEW FRONT WEW SINGLE PHASE ONLY RECEPTACLE REOUIRED LOADING NOMINAL 5 PFR 60 AMP 250 VOLT HUBBLE 360 OR EQUIVALENT 10 0 HOOD FIRE ADDITIONAL SUPPRESSION INTTRLOCK RFQUIRED 121 209 CIRCUIT 120 CONNECTION 1 AMP SINGLE PHASE 5 DIMENSIONAL DIAGRAM MC E20 4 FRONT VIEW RICHT SDE VIFW THREE PH SE Kw ELECTRICAL ONLY LOADING REQUIREMENTS NOMINAL AMPERES 240 208 PERLINE NOTE TWO CIRCUITS REQUIRED LOADING INFORMATION 15 FOR EACH CIRCUIT HVAC HOOD FIRE ADDITIONAL SUPPRESSION INTERLOCK CIRCUIT 120V 1 AMP SINGLE PHASE REQUIRED CONNECTION NEMA RECEPTACLE REQUIRED L21 20R DIMENSIONAL DIAGRAM MC E20 6 FRONT VIEW RIGHT SIDE VIEW PF
10. 61 Anf Ol ASN G M DNIHIM ASVd AlddiS 1199 VSN Avd 9 NOlLdlHOSHQ 60540041 3INVN 3 113 Nals Hh A z darum dog 3 NIVEL ETE 1 2661 AINE asn 9LSGCOZL 14 VSN MOVd 9 Xladns NOI LdlHOS3Q 40 LILON I 2661 AINE Ol ASN LLSGCOZL AWVNA VAVNVO 9 5 540 m 9 SSH21WS 2661 AINE JSN 754204 3WNVN3 14 VGVNVO 9 5 HHMOd NOlLdlHOS4Q
11. G WARNING Should be accomplished by a qualified service person Tools No 2 Phillips screwdriver 9 16 wrench Hammer Pin Driver Parts Bushing No 1054330 Item 27 Allen wrench 1 See access Location B 2 Remove door as previous instructions 3 Remove lift side panel see access location B 4 Remove 9 16 bolt on doorstop flange and note position for reinstallation 5 Slide pivot shaft and door arm left and out of bushing On unit built after 4 93 use an alien wrench and remove lock bolt from center of door rod Remove Dowel pin 6 With drive pin and hammer tap bushing around circumference until removed PROCEDURE NO 13 TO REPLACE MAIN CON TACTOR WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver Slotted screwdriver Parts Main contactor No 1637001 4 1 See access Location 2 Remove wires from contactor noting location 3 Remove two 2 screws and lift off contactor 4 Reverse procedure to replace new contactor PROCEDURE 0 14 TO REPLACE THE PROGRAM CHIP WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver Parts Program Chip No 163570 1 See access Location C for access cover 2 Open access cover on rear of selected controller 3 Placing your index finger and thumb on the oppo site tabs of the program chip carrier lift the pro gram chip from the controller 4 Place the new program
12. MAIN TESTMENU 2 000 0 150 0 PROGRAMS WITH A 0 00 M BAKE TIME ARE DISABLED IN THE CONTROLLER AND THEREFORE DO NOT APPEAR IN THE NORMAL OPERATING MODE 19 NON SCHEDULED MAINTENANCE WARNING Before performing any maintenance on your multi purpose oven you must disconnect the electrical power supply Note Once power cables are disconnected it is rec ommended that they be marked in such a way to facilitate reconnection Re Upper Lower pair set ACCESS LOCATION OF REPLACEABLE COMPONENTS A B Location Motor blower wheel heater elements Remove main back panel by unscrewing fourteen 14 Phillips screws Location B Left door stop and door spring Remove left body side by unscrewing two 2 screws each from top and bottom of left side and three 3 screws from main back Location C Controller cell contactors 24V transformer thermo couple master power switch cell fuse holder termi nal block main contactors motor capacitor hi limit Remove right body side by unscrewing three 3 screws each from top and bottom of right side and three 3 screws from main back PROCEDURE NO 1 TO REPLACE THECONTROLLER WARNING Should be accomplished by a qualified service person TOOLS No 2 Phillips screwdriver 3 8 deep socket small slotted screwdriver PARTS Controller No 1635700 R Item 15 See access Location C Remove communication link cable Disconnect red and y
13. MULTI PURPOSE GARLAND 7 MC E20 2 20 25 lt 49 20 4 Zo MC E20 4C McDonalds E MC E20 6 EE 20 6 GARLAND WELBILT COMPANY SERVICE MANUAL MANUFATURED EXCLUSIVELY FOR a McDonald s 18 GARLAND COMMERCIAL INDUSTRIES INC E JB FREELAND PENNSYLVANIA 18224 800 446 8367 PHONE 570 636 1000 570 636 9874 visit us on the web at www garland group com E mail clamshell gariand group com NOTE This manual pertains to 2 cell 4 cell and 6 cell pizza ovens The reader operator must interpret its contents to applicable needs However if there is any question of interpretation of any literature pertaining to Garland McDonalds pizza ovens please contact our Customer Service Department at one of the phone numbers listed above WARNING This product contains chemicals known to the State of California to cause cancer Installation and servicing of this prod uct could expose you to airborne particles of glasswool ceramic fibers Inhalation of airborne particles of glasswool ceramic fibers is known to the State of California to cause cancer PLEASE READ ALL SECTIONS OF THIS MANUAL AND RETAIN FOR FUTURE REFERENCE CAUTION THIS EQUIPMENT MUST ONLY BE OPERATED UNDER AN APPROVED HOOD SYSTEM THIS EQUIPMENT MUST BE INSTALLED AND COMMISSIONED BY A PROFESSIONAL FACTORY TRAINED TECHNICIAN NSF Printe
14. SSY OR DOOR STOP ON 45 8 65 BUILT AFTER 4 23 93 23 TO REPLACE THE PROGRAM CHIP 24 TO REPLACE BUSHING 24 We warranty to the original purchaser only that this new GARLAND commercial cooking equipment sold by us is free from all defects in material and factory workmanship for a period of one year from our date of shipment Further component parts excluding controllers and motors will continue in warranty parts value only for an additional 24 months beyond the first year of coverage Provided that A The equipment has not been accidentally or intentionally damaged altered abused or misused B The equipment is properly installed adjusted operated and maintained C Has the warranty serial number affixed to the appliance by us that has not been defaced obliterated or removed D An acceptable report for any claim under this warranty is supplied to us E The equipment is not sold or used for home or residential use Any defective part excluding broken glass ceram ics or porcelain and light bulbs brought to the attention of the selling dealer or a listed Authorized GARLAND Service Agency will be repaired or replaced with out charge within the United States Shipment outside the United States will be prepaid to our closest port We assume no liability for dia
15. arings binding A Replace contactor B Controller defective B Replace Controller C Defective element s C Replace elements B Thermocouple s defective B Replace thermocouple Controler displays High Limit A Controller defective B Cell contactor s defective B Replace Contactor Timer fails to count down A Oven not up to proper A Wait for heater telite to go temperature out B Controller defective B Replace Controller Controler displays Probe Error A Thermocouple not connected to A Reconnect controller B Thermocouple defective B Replace thermocouple Controller displays Remotes Need A Failed to complete A Continue programming programming procedure See Page 12 Procedure 1 Step 7 B Noise in circuit B Turn unit off for 10 seconds then turn unit back on See Non Scheduled Maintenance CONTROLLER PRODUCT SETTINGS PROGRAM NAME BAKE TIME SET TEMP HEATER DUTY CYCLE HEADER FAMILY PIZZA 50 260 10 10 70 70 70 HEADER FAMILY PROMO 150 66 0 SUB ONE FAMILY PROMO 000 150 66 0 SUB TWO FAMILY PROMO ___ 150 66 0 HEADER PERSONALPIZZA 500 260 100 80 80 80 80 260 80 80 MUFFINS 3300 315 157 30 MAIN COOKIES 000 375 191 170 HEADER BAKEDPIES 425 218 60 218 60 425 218 60 MAN 5 10096 MAIN TESTMENU 1 000 0
16. ay OFF and doors open for a period of 15 minutes PROCEDURE 1 TO PROGRAM THECONTROLLER NOTE PROGRAMMING NEEDS TO BE DONE FROM THE MASTER CONTROLLER TOP CELL Tools None Parts None 1 Turn Master Power On Off Switch ON Verify that all cell control panels displays OFF PRESS the PROG button in the top cell for two 2 seconds to activate the controller in the Program mode The control panel will display the program identification number 3 Depress the MENU switch to select the menu item to be programmed 4 Depress the FUNCTION switch to select the func tion to be changed The cook time function cook temperature function and top and bottom duty cycle function will be displayed REMOVE 12 15 AIM COOK TEMP 360 F C DUTY CYCLE TOP 100 DUTY CYCLE BOTTOM 080 NOTE ITEMS THAT ARE PRODUCT HEADINGS 2 Allow all oven cells to cool to a temperature below po NOT HAVE COOK TIMERS SEE PAGE 19 200 F FOR A LIST OF PRODUCT HEADINGS AND SUB 3 Turn the Master Power On Off Switch located ITEMS on control panel to OFF position m 14 PRESS the CURSOR button to select the digit to be modified as indicated by the flashing digit PRESS the VALUE button to alter the flashing digit to the desired number PRESS the MENU SELECT button until REMOTE UNIT UPDATE appears in the dis play PRESS the FUNCTION button until the TRANS MIT DATA N appears in the
17. chip in the same location ensuring that the carrier is fully seated NOTE ALL PROGRAM CHIPS MUST BE OF THE SAME VERSION 5 Close the access cover on the controller 24 36 VOLT 1 HZ DESCRIPTION WIRE DIAGRAM 2 PACK 208 VOLT 60HZ W O HOOD INTER LOCK USED PRIOR TO JULY 1993 FILE NAME 17025525 66L sev MOOTYALNI GOOH M MOVd Z VA JHIM 92562071 3INVN 37114 se 22 ION 2 en MS 4192 1 Th 211100927 GEY 26 DESRIPTION CELL WIRING DIAGRAM 208 240 VOLT TOTAL KW AMPERES SINGLE PHASE 60 hZ MODEL S AIR CELL FILE NAME 17025813 4 AIR CELL POWER SUPPLY WIRING DIAGRAM PRIOR TO JULY 1993 FILE NAME 17025507 28 40 LSID GNOOSS F LON ZLSGCOZL 3WNVN3 14 SN v 5 NOlLdlHOS4Q 43113H NILE 43l 13H NiveLs NAH O gt WE gt O ag gt 9 lt 9 58 59 a E a a p T 8 f LILILI s 8 e 9 1201 43 ste ud 4 fa 82 lc Y d BREAKER BWITOHEB 1 THRU 4 30 2661 4343 ASN GLSGC ZL JWYN 37113 VOVVNVO 5 HHMOd NOlLdlHOSHQ 26
18. cle in minutes only Depressing this switch for two seconds dur ing a cooking time cycle will terminate that cycle This switch must be pressed at the end of the cook time cycle to terminate the Remove display and the audible alert NOTE The Timer Switch is disabled if the oven cell temperature is less than 25 degrees Fahrenheit than the set point or 35 degrees Fahrenheit more than the set point of the displayed menu item Under these conditions the display will show TOO COOL or TOO HOT alternately with the menu item SET UP 1 Place oven racks in appropriate rack guide position in each oven cell and close all oven cell doors 2 Turn the Master Power On Off Switch located on Control Panel to ON position 3 Verify that Power Telite is illuminated and control panel for each selected oven cell displays OFF 4 Press the Master Power On Off Switch located on the control panel for each oven cell to be used 5 Verify that each selected oven cell displays desired menu item and red Heat On indicator is illuminated on the control panel 6 Allow the selected oven cell s to pre heat for 30 minutes and verify that temperature is correct for desired menu item by depressing Temp switch on the control panel NOTE A Too Cool display alternating with the menu item will be displayed until the cell is up to temperature Shut Down 1 Allow all oven cells to operate with no heat all control panels displ
19. d in the U S A HMCDSVMN Rev 5 07 00 Table of Content SAFETY M 3 INTRODUCTION 3 WARRANTY E CE OD REN Su Us Z 3 MG E20 2 a e e a a au abis w 5 20 4 p 1 4 41 14 ee oe a a 6 20 6 rli dex ed ra 7 INSTALLATION 8 INSTALLATION 0 5 8 PARTS IDENTIFICATION AND FUNCTION 9 PARTS IDENTIFICATION AND FUNCTION 10 PARTS IDENTIFICATION AND FUNCTION 11 PARTS IDENTIFICATION AND FUNCTION 12 Jimer Switch a ses diae nda dec saa 13 Heat On iwona 4 eue onera sa inar rain 13 Temperature Switch 13 Select SWItCh ri aco a 13 On SWItCh aiii eo zi ii w m 13 HARDWARE xag aix Dit b ED 13 Control Switch Operation 13 Before First USG ecu wia 13 OPERATION W Za Ga 13 TO PROGRAM THECONTROLLER 14 SET WAR eS 14 TO CHANGE DUTY CYCLE
20. display PRESS the VALUE button to change the flashing N to a flashing Y 10 PRESS the PROG button The top display will say Transmitting Data while the other cells display Recieving Data Once the update is complete the other cell display will read OFF and the top display will return to Remote Unit Update 11 PRESS the PROG EXIT switch to exit the pro gramming mode Verify that the control panel says OFF TO CHANGE THE SET TEMPERATURE Header Main amp Sub Menu s 1 Ensure ALL Controllers display OFF 2 PRESS and HOLD the PROG button for 2 two seconds to activate the controller in the Program Mode The control panel will display the program identification number 3 PRESS the MENU SELECT button to select the menu item to be changed 4 PRESS the FUNCTION button time s Note following this step to obtain COOK TEMP XX XF NOTE If changing HEADER MENU ITEMS in STEP 4 Press the FUNCTION button 1X If changing MAIN or SUB MENU ITEMS in STEP 4 Press the FUNCTION but ton 2X 5 PRESS the VALUE button to change the value of the flashing digit 6 PRESS the CURSOR button to scroll the flashing digit to the right 7 REPEAT steps 5 amp 6 until the desired COOK TEMP has been achieved 8 PRESS the MENU SELECT button until REMOTE UNIT UPDATE appears in the dis play 9 PRESS the FUNCTION button to obtain TRANSMIT DATA with a flashing
21. e following information 6 NATURE OF PROBLEM AND SYMPTOM 7 ANY OTHER INFORMATION 17 TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Master power On Off Switch A The ventilation hood circuit A ventilation hood circuit turned on Power Telite is not lit breaker is turned off breaker on B Power cord is unplugged B Connect Power Supply Defective Master Power Switch C Replace Master Power Switch Master power On Off Switch A Power 5 is are unplugged A Reconnect power supply turned on Telite is ON but no power at any indivdual cell controllers Master power On Off Switch A Main Power Supply Breaker Reset Breaker turned on is ON but no tripped power at any pairs of cells i e Power Cord unplugged Reconnect power supply Top 2 Center 2 Bottom 2 C Main Contactor defective Replace main contactor Master power On Off Switch A No power to the controller Call for service turned on One 1 cell fails to operate no display at Controller no Blower Motor and no heat Cell s fail to produce heat B Call service agency Noisy Blower Motor A Foreign object is blower motor A Inspect and Clean housing B Blower wheel loose B Tighten wheel Bearing noise defective motor C Replace Blower Motor Slow starting blower motor blower A Capacitor weak and or A Replace motor capacitor defective B Replace blower motor B Motor be
22. ed by a flashing digit 9 PRESS the VALUE switch to alter the flashing digit to the desired value and verify that the dis play matches the displayed temperature on the Pronto 10 PRESS the PROG EXIT button Verify that the control panel displays OFF 11 Continue steps one 1 through eight 8 for each of the other cells 1 Place the temperature probe in the center of the oven rack WARNING OVEN IS HOT HAND PROTECTION IS REQUIRED 2 Heat oven to it s set temperature for a mini mum of thirty 30 minutes 3 PRESS the TEMP switch when the HEAT ON light red comes on The controller s dis played temperature should match the temper PARTS ORDERING SERVICE INFORMATION Parts orders must be placed directly with your local GARLAND Authorized Agency Distributor To assist you in this process the following information is required See Data Plate located top front of top cell control sec tion 1 MODEL NUMBER 2 WARRANTY SERIAL NUMBER 3 VOLTAGE 4 TEM PART NUMBER 5 QUANTITY REQUIRED NOTE A list of GARLAND Authorized Agents Distributors was enclosed with the ovens when shipped from the factory If you do not have access to this list please contact the GARLAND Service Department 1 800 446 8367 Service information may be obtained by calling your local GARLAND Authorized Agents Distributor or by calling the GARLAND Service Department When calling please have the first three items list above in addition to th
23. ellow thermocouple leads Unplug six 6 pin connector Unscrew four 4 10224 nuts Reverse procedure to install new controller O JO QQ N PROCEDURE NO 2 TO REPLACE CELL CONTACTOR WARNING Should be accomplished by a qualified service person TOOLS Phillips screwdriver PARTS Cell contactor No 1637000 Item 20 1 See access Location C 2 Remove four 4 spade terminals from contac tor noting location 3 Unscrew contactor from mount plate 4 Remove contactor from mount plate 5 Reverse procedure to install new contactor PROCEDURE NO 3 TO REPLACE 24 VOLT TRANSFORMER WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver Parts 24 V Transformers No 1636000 17 1 See access Location C 2 Remove five 5 lead noting location 3 Remove one 1 screw from mount plate 4 Reverse procedure to replace 24V transformer PROCEDURE NO 4 TO REPLACE HI LIMIT CONTROL WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver Parts Hi Limit Control No 1683502 Item 19 1 See access Location C Open cell door See perforated panel in rear of cell Remove two 2 screws from rear pane Release upper capillary from bulb clips Gently pull capillary through oven sides Remove hi limit mounting screws Reverse procedure to replace new hi limit Ensure spacers are re installed on rear panel
24. er Element 8 16 24 source Used after 4 29 94 1616801 40V Heater element _ 8 16 24 Heat source 23 1636800 BlwerWhed 2 4 6 Directs airto et plates 24 1636599 Blower motor assy 2 4 6 11 PARTS IDENTIFICATION AND FUNCTION 2CELL 4 CELL 6 CELL 25 __ 1669395 Dooramlet 2 4 6 0000 2 __ 1633196 Dooramright 2 4 6 5 Priorto 1993 27 1689397 Dooramright 2 4 6 28 10430 4 8 12 IF L 1639399 Chain w Comn Bracket 4 6 UsedPriorto April 1993 1632601 4 6 UsedPriorto April 1993 1093001 Roller Bearing 4 6 UsedPriorto 1993 18871 2 4 6 1720201 2 4 6 Used Prior to June 1993 our M 2CELL 4 CELL 6 CELL PART DESCRIPTION FUNCTION EE CN version 36 1652401 CommunicafonCable 1 1 0 1652400 CommunicafonCable 0 1 12 HARDWARE B 8003123 Sheet Screw No 10 24 x 5 8 Phil Truss HD 10 D 8003215 Pan HD Slot1 4 20x13 4Bolt 6 OPERATION Before First Use Before the oven cells are used for the first time they must be cleaned as defined in the Planned Maintenance System Card for this unit They must also be Burned ln to release any odo
25. gnosis normal mainte nance such as lubrication adjustment or calibration of controls nor for the cost of travel in excess of either two 2 hours of fifty 50 miles to and from the installation by an Authorized GARLAND Service Agency This warranty is limited and is lieu of all other war ranties expressed or implied and we neither assume nor authorize any person to assume for us any other obligation or liability in connection with our equipment We our employees or our agents shall not be held liable for any claims for personal injuries or consequential damages or loss however caused INTRODUCTION The model MC E20 2 MC E20 4 and MC E20 6 are electric air impingement ovens The 4 is a four cell oven and the 6 is a six cell oven The 4 and 6 cell ovens also inter lock to ventilation hood sys tem and fire suppression system The models MC E20 4C and MC E20 6C are elec tric air impingement ovens However these ovens are exclusively for use in Canada and offer NO inter lock system to ventilation or fire suppression system READ ALL SECTIONS OF THIS MANUAL SAFETY The GARLAND air impingement oven has many safety features incorporated However the only way to ensure safe operation is to fully understand the proper installation operation and maintenance pro cedures The instructions in this manual have been prepared to aid you in learning the proper proce dures Where information is of particular importance or
26. n 1X to access LOAD DEFAULT MENU with a flashing N 5 PRESS the VALUE button to change the flash ing N to a flashing Y 6 PRESS the PROG button Controller will display RELOADING and then return to SERVICE 7 PRESS the MENU SELECT button until REMOTE UNIT UPDATE appears in the dis play 9 PRESS the FUNCTION button to obtain TRANSMIT DATA with a flashing N 10 PRESS the VALUE button to change the N to a flashing Y 11 PRESS the PROG button The top display will say Transmitting Data while the other cells display Recieving Data 12 PRESS the PROG EXIT switch to exit the programming mode Verify that the control panel says OFF PROCEDURE NO 2 TO CALIBRATE THECONTROLLER Tools Pronto Temperature Indicator Pizza Oven Temperature Probe ature displayed on the Pronto within five 5 degrees Fahrenheit If it does procedure is complete If not proceed to step five 5 4 PRESS and HOLD the ON OFF button for two 2 seconds to turn the desired cell to OFF 5 PRESS and HOLD the PROG button for two 2 seconds to enter the Programming Mode 6 PRESS the MENU button until Set Calibration is displayed 7 PRESS the FUNCTION button the display will indicate the current oven temperature CUR RENT TEMP XX Parts None 8 Note Heat oven in the Pizza Mode PRESS the CURSOR button to select the digit to be changed as indicat
27. ox away from the controller 6 Drill two 9 64 diameter holes 7 Install plug button in existing hole in the front panel 8 Attach body side and plug all cordsets in wall outlet 9 Test unit for proper operation Q N In the event the motor reset stem is too short to attach it to the bracket a new motor reset PN1635900 must be installed PROCEDURE NO 7 TO REPLACE BLOWER MOTOR ASSY OR BLOWER WHEEL WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver 7 16 Socket 5 32 Allen Key Parts Blower Motor Assy No 1636599 Item 24 Blower Wheel No 1636800 Item 23 1 See access Location A amp C 2 Disconnect wires Black and white noting loca tion Also remove wires from motor capacitor Unscrew four 4 74 20 nuts 4 Pull entire motor blower assembly from rear 5 Blower wheel removal by releasing 5 32 Allen screws NOTE Blower wheel must be spaced from the motor body of 5 16 inch 6 Reverse procedure to replace new motor blower wheel 22 PROCEDURE NO 8 TO ADJUST OR REPLACE DOOR SPRING SLEEVE ASSY OR DOOR STOP ON 4 S 4 6 S BUILT AFTER 4 23 93 WARNING Should be accomplished by a qualified service person Tools Phillips screwdriver Straight screwdriver 7 16 wrench Parts Door spring No 1688701 Item 18 1 Remove left body side by unscrewing 2 two screws each from top and bottom of left side and 3 screws from main back
28. ram Mode The control panel will display the program identification number 3 PRESS the MENU SELECT button to select the menu item to be changed 4 PRESS the FUNCTION button time s See Note following this step to obtain DUTY CYCLE TOP XXX NOTE If changing HEADER MENU ITEMS in STEP 4 Press the FUNCTION button 3X If changing MAIN or SUB MENU ITEMS in STEP 4 Press the FUNCTION but ton 4X 5 PRESS the VALUE button to change the value of the flashing digit 6 PRESS the CURSOR button to scroll the flash ing digit to the right 7 REPEAT steps 5 amp 6 until the desired DUTY CYCLE has been achieved 8 PRESS the MENU SELECT button until REMOTE UNIT UPDATE appears in the dis play 9 PRESS the FUNCTION button to obtain TRANSMIT DATA with a flashing N 10 PRESS the VALUE button to change the N to a flashing Y 11 PRESS the PROG button The top display will say Transmitting Data while the other cells display Recieving Data 12 PRESS the PROG EXIT switch to exit the pro gramming mode Verify that the control panel says OFF TO RESTORE FACTORY SETTINGS 1 Ensure ALL Controllers display OFF 2 PRESS and HOLD the PROG button for 2 two seconds to activate the controller in the Program Mode The control panel will display the program identification number 3 PRESS the MENU SELECT button until SER VICE MODE appears in the display 4 PRESS the FUNCTION butto
29. rs or residues from the new materials Operate the oven cells at full cooking temperature as defined below for a period of three 3 hours prior to use with food products The Master Power On Off Switch Controls power to all oven cells This switch must be turned ON to start the operation The switch Telite will be illumi nated when the switch is ON Control Switch Operation On Switch This switch activates deactivates the heater When OFF is displayed depressing this switch will acti vate the displayed menu item for example Personal Pizza Depressing this switch for three seconds while in the operation mode will turn the controller OFF Select Switch Selects the appropriate menu item for control while in the Operation Mode Depressing this key will cause the display to scroll through the available menu items programmed Temperature Switch Displays the actual current internal oven cell tem perature Depressing this switch will cause the dis play to show the actual current oven cell tempera ture in degrees Fahrenheit Celsius for a period of five 5 seconds 13 Heat On Indicator The indicator will become illuminated when the oven cell temperature falls two degrees below the set point for the displayed menu item calling for heat Timer Switch Start Stops the cooking time cycle Depressing this switch will cause the display to show the menu item and the time remaining in the cook cy

SERVICE MANUAL - Whaley Food Service

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