BKI Mobile Merchandiser MM4, Installation & Operation Manual

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Mobile Merchandiser Maintenance
9
Troubleshooting
Refer to the table below for troubleshooting information.
Problem Cause Possible Solution
Well does not heat and lamps
do not come on No Power to the unit. Check circuit breaker or fuses at building
power panel. If problem persists, contact
an authorized BKI service agent for
corrective action.
Circuit breaker is off. Reset the circuit breaker. If problem
persists, contact an authorized BKI
service agent for corrective action.
Lamps on but Well does not
heat Faulty wiring or component
(thermostat, relay, heating
element) in heating circuit. Contact an authorized BKI service agent
for corrective action.
Well heats but Lamps do not
turn on Faulty wiring or component
in Lamp circuit. Contact an authorized BKI service agent
for corrective action.
Holding Temperature Not
Adequate Unit and food pans have not
been preheated. Refer to the preheating section on page 5.
If problem persists, contact an authorized
BKI service agent for corrective action.
Faulty wiring or component
(thermostat, relay, heating
element) in heating circuit. Contact an authorized BKI service agent
for corrective action.
Product is below 160
°
F
when loaded.
Check product temperature before loading
the unit.
Repair
Before replacing any parts, make sure the power has been turned off and the unit has
cooled down.
Lamp Replacement
Only use PTFE-coated lamp to prevent glass contamination.
1. Place the Temperature Control Knob to the OFF position.
2. Position the Lamp switches such that they cut the Lamps off.
3. Unplug the cord from the receptacle.
4. Allow the equipment to cool to room temperature.
5. Carefully remove the faulty lamp.
6. Replace with the new lamp.