background image

   

SANDENVENDO AMERICA INC

 

1189085b ECN 52161 

 

 

 

TROUBLESHOOTING 

 

Unit does not turn on 

Power cord unplugged 
No power at outlet 

Plug HFD cord in outlet 
Check power output at outlet 
(115VAC) 

HFD circuit breaker off 

Remove lower stainless steel 
panel and check breaker. 

Power cord wire 
disconnected 

Check resistance across plug, 
ensure the breaker is on, 
measure resistance across plug 
terminal, line and neutral (160 
ohms +/- 2) 

One or more Xenon 
lamps off 

Bulb blown 

Check at terminal for resistance of 
44 ohms +/-2. 
Check to ensure bulb is securely 
installed. 
Replace blown bulb(s). 

HFD internal ambient 
does not reach +150°F 

One or more heater 
plates not reaching 
temperature 

HFD needs approx. 40 minutes to 
reach temperature at default 
setting.  
Check plate temperature at 
controller (see controller 
operation). 

One or more Xenon 
lamp not functioning 

Check at terminal for resistance of 
44 ohms +/-2. 
Check to ensure bulb is securely 
installed. 
Replace blown bulb(s). 

Heater plate not heating 

Fuse blown on 
controller 

Remove controller and check 
fuses. 

Wires disconnected 

Remove controller and check all 
connections at controller. 
Check all terminal connections. 

Failed heating element 

Check resistance on terminals 
from heater plates.  Resistance 
should be approximately 94 
ohms. 

 

 

 

Summary of Contents for Vendo HFDM00001

Page 1: ...ENDO AMERICA INC 1189085b ECN 52161 1 MINI HOT FOOD DISPLAY Technical Service Manual MODEL HFDM00001 Table of Contents Commitment to Safety 2 Safety Warnings 3 Parts 4 Operation 5 Troubleshooting 8 Schematic 9 ...

Page 2: ...ndo 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 machi...

Page 3: ...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 lifting 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...

Page 4: ...Front Door 1154538 Caution Hot Label 1182055 Middle Upper Shelf Rack Black 1158685 Side Gasket 1178052 Horizontal Rear Gasket 1166955 Side Glass no decal 1153213 Controller Membrane Pad 1165366 Right Decal 1153225 31 Controller 1178854 Lamp Guard 1178877 Lamp 1159513 Lamp Socket 1180812 Fan not shown 1182066 Bottom Rack Black 1178798 Shelf Guard 1165355 Left Decal 1180393 Shelf Assembly Other item...

Page 5: ...tton press cycles the timer back to one hour 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 displa...

Page 6: ...bient thermistor error open circuit E67 Lower left shelf thermistor error open circuit E60 Upper shelf thermistor error open circuit E63 Middle shelf thermistor error open circuit E66 Lower right shelf thermistor error open circuit E90 Unable to read SD card Clear error codes by pressing any key except for E90 error Clearing an error code turns that shelf s heater off Clear the E90 error by pressi...

Page 7: ...led by entering the following in the programming file example UL x Controller Connectors Modular three prong receptacle 115 VAC power Left and right below are viewed from the front or controller side of the Mini HFD J1 connector Heater and light power J2 connector Sensor signals J1 1 Lower Right Shelf Heater J2 1 Jumpered to J2 2 J1 2 Lower Right Shelf Heater J2 2 Jumpered to J2 1 J1 3 Middle Righ...

Page 8: ... securely installed Replace blown bulb s HFD internal ambient does not reach 150 F One or more heater plates not reaching temperature HFD needs approx 40 minutes to reach temperature at default setting Check plate temperature at controller see controller operation One or more Xenon lamp not functioning Check at terminal for resistance of 44 ohms 2 Check to ensure bulb is securely installed Replace...

Page 9: ...SANDENVENDO AMERICA INC 1189085b ECN 52161 9 SCHEMATIC Left Right as viewed from the front side or controller side of the Mini HFD 1181245 ...

Reviews: