Gourmet Oven
Maintenance
32
Troubleshooting
Refer to the table below for troubleshooting information.
Problem Cause
Possible
Solution
Unit will not turn on
Oven is not plugged in.
Plug in the oven.
Power to unit is not on. Problem
with building power panel,
circuit breaker/fuse or
receptacle.
Check circuit breaker or fuses at
building power panel.
Blown fuse on unit.
Contact an authorized BKI service
agent for corrective action.
Defective power switch.
Contact an authorized BKI service
agent for corrective action.
Power supply cord has been
damaged.
Contact an authorized BKI service
agent for corrective action.
Unit operates for a period of
time, then, the control turns off
(no display).
Inlet to cooling fan has been
blocked, loss of power to
cooling fan or defective cooling
fan.
Remove blockage from around
cooling fan inlet. If problem
persists, contact an authorized
BKI service agent for corrective
action.
Defective
over-temperature
switch.
Contact an authorized BKI service
agent for corrective action.
Solid-state relay is defective;
causing excessive heat.
Contact an authorized BKI service
agent for corrective action.
Oven heats beyond 400° F
then drops approximately 50
°
to 75
°
, heats, then drops
again.
Heater plenum has exceeded
allowable temperature limit
(450
°
F). This condition may
result from the following:
•
Heat circulation blower not
functioning properly.
•
Failure of solid-state relay.
•
Failure of surge suppressor
(shorted).
•
Short circuit (to ground) in
heater bank.
•
Controller failure.
•
Defective thermocouple.
Contact an authorized BKI service
agent for corrective action.
Malfunction Warning Light on
Control Unit is illuminated
indicating overtemperature
condition in the Control Unit
Assembly. (For units with
indicating light).
Refer to previous 2 problems
above.
Place the POWER ON/ POWER
OFF switch in the POWER OFF
position and contact an
authorized BKI service agent for
corrective action.
Oven does not heat at all.
Improper control settings.
Reset the control.
Loose wire on heater circuit.
Contact an authorized BKI service
agent for corrective action.