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Part # P156 Rev 1 (12/03/09) Page 9
FAULT FINDING
FRYER DIAGNOSTICS
PROBLEM POSSIBLE CAUSE SOLUTION
Power indicator is on.
Heating indicator comes on.
Fryer recovering or heating unevenly.
One or more circuit breakers are o. Switch circuit breakers to the “ON”
position.
One or more elements are defective. Replace Elements.
Red indicator light is on.
Fryer is not heating.
High temperature limit is tripped Operating thermostat may be defective
- Replace.
Operating contractor may be defective
- Replace
Fryer will not start - green indicator
does not come on.
Red indicator light is not on.
Power switch is defective Replace Power Switch
Safety Contactor is defective Replace Contactor.
Auxiliary contacts on the thermostat
are defective.
Replace operating thermostat.
Oil temperature too hot or too cold. Thermostat is out of calibration. Calibrate or replace thermostat.