66
GBF-70 Fryer
Troubleshooting
6.01 Temperature Control System - continued
Problem Probable Cause Corrective Action
Fryer heating slowly (slow temp
recovery).
Amber HEAT light remaining [ON], does not
cycle.
A. Improper cooking procedures.
Refer to Operation Manual.
B. Heating element is failing. Call for service.
C. Contactor failing. Call for service.
D. Loose heating element wiring. Call for service.
E. Incoming voltage too low. Call for service ... electrician required.
Fryer heating slowly, heat turning OFF
&
ON continuously.
A. Temp probe too close to (or touching)
heating element.
Call for service.
B. Controller has failed. Call for service.
Oil temperature erratic.
A. Temperature probe is faulty. Call for service.
B. Contactor is failing. Call for service.
C. Controller is failing. Call for service.
D. Heating element wiring loose. Call for service.
Cooking oil is smoking.
A. Oil is old, used too long.
Remove oil, perform boil‐out, refill with
fresh oil.
B. Cooking temperature too high Verify proper temp setting for food item.
C. Heating elements dirty Clean vat using boil‐out procedure.
D. Heating element is faulty. Call for service.
E. Low oil level Maintain oil level between FULL & ADD.
Fryer continues heating until high‐limit
safety trips.
POWER light [ON].
HEAT switch in [HEAT] position.
Amber HEAT light [ON].
Controller HEAT indicator [ON].
Control panel red HI‐LIMIT light [ON].
A. Temperature probe has failed. Call for service.
B. Contactor has malfunction ... stuck in
closed position.
Call for service.
C. Controller has failed. Call for service.
High‐limit safety trips before reaching
setpoint.
POWER light [ON].
HEAT switch in [HEAT] position.
Amber HEAT light [ON].
Controller HEAT indicator [ON].
Control panel red HI‐LIMIT light [ON].
A. Hi‐Limit thermostat has failed. Call for service..
B. Hi‐limit probe is misaligned, too close
to heating element.
Call for service.
C. Power line spike causing false hi‐limit
trip.
Call for service.
D. Oil is cold .... false Hi‐Limit during
initial heating of the day.
Continuously stirring while heating cold
oil will help prevent this issue.
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