Troubleshooting - Vulcan-Hart VBP5 Service Manual

V Series Heated Holding Insulated Cabinets - ELECTRICAL OPERATION
Symptom
Cabinet not operating.
Ground Fault Circuit Indicator (GFCI)
tripped.
Cabinet connected to power, switch is
ON, circuit breaker is ON but cabinet not
heating.
Cabinet not heating properly.
Fan not operating.
Moisture present at the top of the cabinet
near the control board.
Corrosion present inside cabinet.

TROUBLESHOOTING

Possible Cause
1. Cabinet not connected to power source or circuit breaker tripped.
2. Cabinet lighted power switch not ON or malfunctioning.
1. Shorted heating element.
2. Pinched/damaged wiring (heating elements or fan).
3. Damaged power cord.
1. Heating element malfunction.
2. Temperature probe malfunction.
1. Element wires disconnected from element. Replace wire assembly
and element.
2. FOOD COMPARTMENT FAN not circulating air or malfunction.
3. Door not sealing properly.
4. Temperature probe malfunction.
1. Power not being supplied to fan (malfunction).
2. Fan wiring not connected or malfunction.
3. Fan not circulating air or malfunction.
1. COMPONENT COOLING FAN malfunction.
1. Periodic cleaning needed. Refer to Operations manual.
2. Hardware has rusted. Replace rusted hardware with 18-8 stainless
steel components and replace FOOD COMPARTMENT FAN.
Page 17 of 17 F45748 (0219)