#837A O&C MANUAL• 1000-TH-I FAMILY
PG. 8
SERVICE
TROUBLE POSSIBLE CAUSE REMEDY
Unit does not operate. Insufficient electric power unit. Check power source.
Defective plug or cord. Check and repair if necessary.
Power switch defective. Replace.
Cooking temperature not correct. Cook thermostat out of calibration. Calibrate.
Holding temperature not correct. Hold thermostat out of calibration. Calibrate.
Timer runs down, but oven will not Timer not de-energizing cook circuit. Replace timer.
go into HOLD.
Cook thermostat erratic — will not Cook thermostat. Replace thermostat.
hold calibration.
Hold thermostat erratic — will not Hold thermostat. Replace thermostat.
hold calibration.
Oven goes from cooking temperature Hold thermostat. Replace hold thermostat.
to cold.
Oven will not go into cook cycle when Timer or contactor. With timer turned ON, line
timer and cook thermostat are ON. voltage should appear across
term. 2 and 3 of timer. If not,
replace timer.
If line voltage does appear
across term. 2 and 3 of timer, it
should also appear across
holding coil of contactor.
If line voltage does appear
across holding coil, and it
won’t close its contacts,
replace contactor.
It takes too long to cook Heating element open, resulting in Replace element.
(temperature O.K.). low wattage.
Cannot control temperature but
thermostats check O.K. Heating element grounded. Replace element.
This section is provided for the assistance of qualified technicians only and
is not intended for use by untrained or unauthorized service personnel.
Do not replace any electrical components without first
disconnecting electrical power to the unit by switching
O
FF the electrical power at the rear of the oven.
A warning sign should be posted on the panel indicating the oven is
being serviced and that the power must remain O
FF.
T rouble Shooting
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