Universal Technical Service Manual
Contents
1. Jet Right LL245 2 00 2 00 p Timer Timer pe Timer Timer DEE 00200 OFF 200 2 00 245 2 00 2 00 LR 245 2 00 2 00 OFF 200 200 245 2 00 2 00 245 200 200 245 2 00 2 00 DA Ds 0 svol 4 HFDC 2 UE m 200200 Left Side Right Side Left Right Ecl Left Right E Timer Timer Timer Timer 240 200 200 240 2 00 2 00 MR 240 2 00 2 00 LR 240 2 00 2 00 240 200 200 240 2 00 2 00 240 200 200 240 2 00 2 00 05 0 12136861 55522 10 Vendo SANDENVENDO AMERICA INC and HFDHC Svot and HFDHC WESS zzi Left Side Right Side Heater Heater ML 245 2 00 2 00 Setpoint Lef Right setpoint Jet Right imer Timer Timer Timer 245 2 00 2 00 245 2 00 2 00 LR 245 2 00 2 00 245 2 00 2 00 245 2 00 2 00 1 245 2 00 2 00 245 2 00 2 00 DA Ds 0 1213686f ECN 55522 11 Vendo SANDENVENDO AMERICA INC TROUBLESHOOTING Unplug unit before servicing Symptom Possible Cause Remedy Unit does not turn on Power cord unplugged No power at outlet Plug HFD cord in outlet Check voltage at outlet 115VAC HFD circuit breaker off Turn on breaker HFD6 amp 7 remove lower rear cover to access breaker Internal power cord disconnected Check resistance across plug ensure the breaker is on measure resistance across plug terminal line and neutral should be about 1600 Front glass2. Right as viewed from the controller side nm 1201368 Heater 6x HFDH HFDHC ower 1201358 Heater 1200875 Heater 6x HFDH HFDHC 1180505 Lamp 6x HFDS amp 7 HEDC Tes Ern 1178877 Lamp Sx HFDM Breaker ka Top 1178877 Lamp 6x Left Right Heater ee Heater 1159513 Lamp Socket 6x HFOM 3x 1181233 DES Heater Lower Dep Te 1206564 Lamp Cabe amp HFD Power tan Gs 1206564 Lamp Cable Es Heater Ka 1232444 Lamp Cable 6x HFDHC 1201293 Controller HFD7 and HFDC only not shown 1187878 Cable Fan with Switch 1187843 Rocker Switch 1180812 Fan 2x HFDM only not shown 1180794 Fan Cable 1180812 Fan 2x 1206552 D at abe A 156085 6 amp 7 only Switch 1202224 SH Remoteomaftee ee ET HFDC only Switch Chas Uu zeg zen ThemistorCable d 7x 1127484 Fuse HFDH and HFDHC not shown 3 15 amp slow blow 250V 5x20 1226174 Lamp to Fan Cable 2x 1180812 Fan 2x 1213686f ECN 55522 13
3. door open HFD6 amp 7 only Controller should read OPEn Shut front glass door press power button on controller to initialize One or more Xenon lamps is off Bulb blown Check at terminal for resistance of about 440 Check to ensure bulb is securely installed Replace blown bulb s HED display ambient does not reach 150 F One or more heater plates not reaching temperature An error E70 to E75 may be displayed on controller HFD HFDC and HFDM need 30 minutes to reach temperature HFDH and HFDHC needs at least 1 hour Check plate temperature at controller see controller operation One or more Xenon lamp not functioning Check at terminal for resistance of about 440 Check to ensure bulb is securely installed Replace blown bulb s E60 to E65 error Heater thermistor open circuit Pull out controller disconnect corresponding heater connector If resistance between the red wires is gt 100 0 check cause of open circuit Heater may need replacing Heater plate not heating Fuse blown on controller Remove controller and check fuses Wires disconnected Remove controller and check all connections at controller Failed heating element Check resistance across white and black terminals from heater Resistance should be about 950 at room temperature 1213686f ECN 55522 SANDENVENDO AMERICA INC CONTROLLER CONNECTIONS Left
4. 00 LR 220 1 00 2 00 1 displays F 0 displays C DAA 1 turns on controller ambient display 0 turns display off DS Front door switch 1 for HFD6 amp 7 all others 0 1213686f ECN 55522 9 Vendo SANDENVENDO AMERICA INC Any text may follow here There can be no spaces or blank lines A line is terminated by pressing Enter The only variables that are allowed to change are the date code shelf temperatures and times the 0 or 1 after CF DA and DS and the comment at the end of the file With the HFD off 1 Insert the flash drive in the controller s USB port 2 Tum on the controller The configuration will load in less than 5 seconds The display will show the configuration code example 001h from the vendo cfg file 4 Pull the flash drive out of the controller controller may remain on Factory Controller Configurations e HFD 6 amp 7 Left Sid Right Sid UL 235 2 00 1 00 rr Heater T eee ML 235 2 00 2 00 Seo Leit Right gomom Let Right LL 220 1 00 2 00 E Timer Timer Timer Timer UR 235 1 00 1 00 11 00 235 200 100 235 1 00 1 00 MR 235 2 00 2 00 LR 220 2 00 1 00 235 200 200 235 2 00 2 00 220 1 00 2 00 220 200 1 00 05 1 SV01 4 HFDM 2 WE 60209 Left Side Right Side 000 2 00 2 Heater Heater ML 000 2 00 2 00 Setpoint Jet Right setpoint
5. ME button to change from F to C or C to F 1213686f ECN 55522 8 E30 E60 E61 E62 E90 E70 E71 ER Vendo SANDENVENDO AMERICA INC Push the button to turn on the HFD and lock in this setting Ambient Temperature Display To turn the ambient temperature display on or off with the controller on press and hold the Time button and press the VO button This feature is disabled in firmware revision 4 01 Front Door If the front door is opened HFD6 and 7 only the controller turns off only the lights The display reads OPEn After closing the front door the lights turn on and the display reverts to internal ambient temperature Heater Temperature Adjustment Push the I O button to turn the unit off The lights inside the HFD will turn off With controller power off hold down the Time button then press and hold the VO button until the display comes on The display will show the firmware revision Push either of the two buttons corresponding to the shelf that you wish to change the temperature Both lights on either side of the buttons will begin blinking Push and hold the button on the left to decrease the temperature shown on the display Push and hold the button on the right to increase the temperature shown on the display Repeat the procedure using the buttons that correspond to each of the six shelves for HFD6 amp 7 or four shelves HFDM Once the temperatures are adjusted for each of the separate zon
6. Vendo SANDENVENDO AMERICA INC HOT FOOD DISPLAY Technical Service Manual HFDM00002 1213686f ECN 55522 MODELS HFD000006 amp 7 HFDC00002 HFDM00002 HFDH00001 HFDHC0001 2 3 4 Table of Contents Commitment to Safety Safety Warnings Operation Troubleshooting Controller Connections HFDH00001 HFDHC0001 2 3 4 Vendo SANDENVENDO AMERICA INC A COMMITMENT TO SAFETY The SandenVendo is committed to safety in every aspect of our product design SandenVendo is committed to alerting every user to the possible dangers involved in improper handling or maintenance of our equipment The servicing of any electrical or mechanical device involves potential hazards both to those servicing the equipment and to users of the equipment These hazards can arise because of improper maintenance techniques The purpose of this manual is to alert everyone servicing SandenVendo equipment of potentially hazardous areas and to provide basic safety guidelines for proper maintenance This manual contains various warnings that should be carefully read to minimize the risk of personal injury to service personnel This manual also contains service information to insure that proper methods are followed to avoid damaging the Hot Food Display HFD or making it unsafe It is also important to understand these warnings are not exhaustive SandenVendo could not possibly know evaluate or advise of all of the conceivable ways in whic
7. e design to hold unwrapped wrapped and boxed food The HFDHC is designed to hold wrapped and boxed food Hot food displays are not designed to heat cold food put only hot food in the hot food display 1213686f ECN 55522 2 Verde SANDENVENDO AMERICA INC SAFETY WARNINGS The HFD is for indoor use only Do not use near water or in condensing humidity To prevent electric shock or fire do not kink pull or pinch the power cord and insure no equipment is resting on the power cord If the power cord is damaged unplug and replace Do not connect with other plugs Do not use an extension cord When unplugging first turn off the power switch Then pull the plug at the end of the power cord not by pulling the power cord since the cord can be damaged overheat and cause a fire Do not spray water on the HFD It may cause an electric shock or fire Do not touch the power plug switches or other electrical parts with wet hands It can cause an electric shock Periodically check that the plug is pushed in all the way To prevent injuries due to falling objects liquid spills electric shock or fire do not place heavy objects or liquid filled objects on top of the HFD To prevent electric shock or fire do not use volatile or flammable products in or near the HFD When moving the HFD turn the HFD off unplug and allow the unit to cool To prevent glass breakage and injury do not push on the glass Also use proper equipment and lifti
8. es push the I O button to lock in the new temperature settings and to turn the HFD back on the lights in the HFD will come on Error Codes Internal ambient thermistor open circuit Upper left shelf thermistor open circuit except HFDM E63 Upper right shelf thermistor open circuit Middle left shelf thermistor open circuit except HFDM E64 Middle right shelf thermistor open circuit Lower left shelf thermistor open circuit E65 Lower right shelf thermistor open circuit Unable to read USB drive check vendo cfg for file format error Upper left shelf not heating except HFDM E73 Upper right shelf not heating Middle left shelf not heating except HFDM E74 Middle right shelf not heating Lower left shelf not heating E75 Lower right shelf not heating Clear the error by powering off the unit correcting the problem and turning the unit on again Programming using USB drive The file name must be vendo cfg and be saved on the root directory of the USB drive The file may be edited using Notepad Temperature and Timer Programming Format and Download 01 Must be 01 001h This is configuration 001 h for standard HFD n for HFDM c for HFDC etc UL 235 2 00 0 30 Upper Left shelf set to 235 F left timer 2 hours right timer 30 minutes ML 235 2 00 2 00 Shelf temperatures may be set between 100 and 255 F Setting a shelf temperature to 000 turns off that shelf Shelf temperature must be 3 digits always in F Each timer may be set between 0 30 and 4
9. h service might be done nor can SandenVendo predict all of the possible hazardous results The safety precautions outlined in this manual provide the basis for an effective safety program Use these precautions along with the service manual when installing or servicing the HFD We strongly recommend a similar commitment to safety by every servicing organization Only properly trained personnel should have access to the interior of the machine This will minimize the potential hazards that are inherent in electrical and mechanical devices SandenVendo has no control over the machine once it leaves the premises It is the owner or lessor s responsibility to maintain the Hot Food Display in a safe condition Follow all Safety Rules and Safety Warnings in this manual If you have any questions please contact the Technical Services Department of SandenVendo SAFETY RULES Read the Safety Warnings before installation or service Test for proper grounding before installing to reduce the risk of electrical shock and fire Turn off power switch and disconnect power cord from wall outlet before servicing Use only fully trained service technicians for Power On servicing Use adequate equipment when moving the HFD Use only authorized replacement parts Be aware of inherent dangers in rocking or tipping the HFD Always turn power off before plugging or unplugging HFD to wall outlet FOOD FOR THE HOT FOOD DISPLAY The HFD HFDM and HFDH units ar
10. hown 2x 1201311 Shelf Guard 4x 10 1207751 Shelf Assembly Upper Left 11 1207775 Shelf Assembly Middle Left 12 1207786 Shelf Assembly Middle Right 13 1207763 Shelf Assembly Upper Right 14 1219634 Rear Door Keep Closed bracket not shown 1213686f ECN 55522 5 Vendo SANDENVENDO AMERICA INC 1178854 Lamp Guard 1165355 Left Decal 1182055 Middle amp Upper Shelf Rack Black 1203125 Caution Hot Label 1158685 Side Gasket 1182066 Bottom Rack Black 1177435 Front Gasket not shown 1177198 Front Door 1201293 Controller HFDM00002 1166955 Side Glass no decal 1207555 Shelf Assembly 1207567 Shelf Assembly 1178798 Shelf Guard 1178038 Vertical Rear Gasket not shown 1178052 Horizontal Rear Gasket 1165366 Right Decal 1207488 Bottom Shelf Assembly On back of unit not shown 1161921 Breaker 15 1162225 Power Cord See last page for Controller Connections for electrical component part numbers 1213686f ECN 55522 Vendo SANDENVENDO AMERICA INC 1226236 Shelf Guard 1158696 2 Side Gasket 1158696 1 Front Gasket Bes HFDHC0001 2 3 4 1185603 3 Horizontal Frame Gasket 1226156 Left Front Door HFDHC0001 2 1241435 Left Front Doo
11. ng techniques Insure the product doesn t tip while it is being moved If a lamp or any glass cracks or breaks turn off the power and discard all food in the HFD Replace lamp and or glass Remove all glass fragments Carefully inspect all surfaces corners and gaskets to insure all glass fragments have been removed before returning HFD to service Keep HFD out of direct sunlight and away from heat sources Do not hang from the door this may cause injury or electric shock Turn off and unplug HFD before servicing and let HFD cool before cleaning or servicing Use proper tools while servicing Use only authorized replacement parts The HFD temperatures are factory set to meet NSF food safety requirements Changing temperature settings may adversely impact food safety The lamps are an integral part of the food heating system If a lamp is not illuminated the temperatures may not be maintained for food safety 1213686f ECN 55522 3 Bottom Heater Plate Front Gasket endo SANDENVENDO AMERICA INC PARTS Front door gaskets Breaker Switch Power cord 15 1213686f ECN 55522 Controller Heater Plate Side Gasket HFD000006 HFD000007 Part Description 1158489 Gasket Door Side 1158477 Gasket Door Upper 1158491 Gasket Door Lower 1201293 Controller 1207143 Heater Kit not sh
12. own 1207441 Shelf Assembly Upper Left 1207465 Shelf Assembly Middle Left 1207415 Shelf Assembly Bottom 1207476 Shelf Assembly Middle Right 1207453 Shelf Assembly Upper Right 1158685 Gasket A 1158696 Gasket B 1159513 Lamp Socket 1159525 Xenon Heating Lamp 1216614 Power Cord Plug 1161921 Circuit Breaker 15 Amp 1194238 Rear Door HFD 1158673 Slide Rail Lower Horizontal 1158969 Slide Rail Side Vertical 20 1159604 Shelf Edge Gasket 21 1180812 Fan HFD HFD 7 only Shelf edge gasket same each shelf Shelf Assembly Connector Colors Item Connector Color Description White Black Yellow 10 Blue Shelf Asy Upper Lett Shelf Asy Middle Left Red left Green right Shelf Asy Bottom Shelf Shelf Asy Middle Right Shelf Asy Upper Right Rear door and slides Vertical slide rail Same each side See last page for Controller Connections for electrical component part numbers Vendo SANDENVENDO AMERICA INC HFDC00002 Rack Rack Combo Serve Front Door amp Shelf Parts Wem Part Description 1 1200392 Left Door Assembly 2 1200392 1 Right Door Assembly 3 1185603 1 Frame Gasket Horizontal 2x 4 1185603 2 Frame Gasket Vertical 2x 5 6 7 8 9 1187405 Damper one each side 1202273 Extension Spring one each side 1199716 Rack Top Middle Shelf not shown 4x 1199728 Rack Bottom Shelf not s
13. ps heaters displays and indicators are off Front on off button HFDC only press and hold for 5 seconds to turn the HFDC on or off Timers When a timer is off pressing the timer button once sets the countdown timer to the value preprogrammed into the controller Pressing the timer button again within three seconds while the indicator next to the button is blinking sets the timer to 30 minutes Each successive press within three seconds adds 30 minutes to the time up to 4 hours At 4 hours the next button press cycles the timer back to 30 minutes again Once the timer is activated the LED next to the shelf timer button becomes green The display then reverts to HFD internal ambient temperature display While a timer is on pressing a timer button once displays the remaining time for 4 seconds then shelf temperature for 4 seconds and then the display reverts to the internal ambient temperature display At 15 minutes remaining time the LED turns yellow When no time remains the LED turns red plus an audible alarm sounds Pressing the timer button next to the blinking red LED clears the alarm and restarts the timer Holding down the Time button then pressing a timer key turns off the timer Converting Temperature from F to C or to F With controller power off hold down the Time button then press and hold the I O button until the display comes on The display will show the firmware revision Press and release the TI
14. r HFDHC0003 4 See last page for Controller Connections for electrical component part numbers 1226272 Side Glass no decals 1226352 Top Middle Rack not shown 1185603 4 Vertical Frame Gasket Rack not shown 1226156 1 Right Front Door HFDHC0001 2 1241435 1 Right Front Door HFDHC0003 4 1242342 Pan Restraint 2x 1226399 Bottom 1226094 Rear Door 1229516 Solid Front Glass HFDH00001 1230107 Rear Door Keep Closed not shown 1213686f ECN 55522 Vendo SANDENVENDO AMERICA INC OPERATION Display and Keypad Time Use left or right buttons to adjust shelf button temperature and timers down or up VO button Upper left shelf except HFOM ke L Middle left shelf except P Upper right shelf Li SS e Middle right shelf USB port Lower left shelf Ca Ou CR SO CEEE C EO ieron Timer Setting and Operation Note to help prevent keypad damage push keypad buttons only with finger or thumb do not use fingernail utensil tool pen or other object Circulation fans may be turned on or off by the switch at the top rear of the HFD HFD 7 and HFDC Normal Operation Pressing the button turns the HFD on or off When controller is off all lam
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