(Revised 1/02)
TROUBLESHOOTING
7-4
PROBLEM: UNIT WILL NOT TURN ON - (Continued)
Probable Cause
Corrective Action
Electric Ovens
Relay board or control panel not
operating properly.
Gas Ovens
Gas supply turned off.
Transformer TR1 could be defective.
Pilot burner not ignited.
WARNING
When oven power is turned on, there is high
voltage present in the electrical components
compartment.
Turn on oven power and perform power supply check.
See page 8-3.
Turn on gas supply.
WARNING
When oven power is turned on, there is high
voltage present in the electrical components
compartment.
Turn on unit power and check for 24VAC at transformer
TR1 secondary terminals. If 24VAC is not present, replace
TR1.
WARNING
Do not attempt to light the pilot burner with a
flame.
Perform the following trial ignition, and look and listen for
spark:
Attempt to ignite the pilot burner. If the pilot burner does
not ignite within 90-seconds after the pilot switch is turned
on, turn off the pilot switch. Wait
at least 5 minutes before
attempting to reactivate the pilot switch. Repeat the trial
for ignition. The pilot may require several trials for ignition
to bleed air from the gas piping.
After the initial attempt,
the following startups should require only about 2 to 5
seconds to get pilot ignition.
Spark observed. Turn on oven power. Refer to schematic
diagram (page 4-19 or 5-19) and check for 24VAC at ignit-
er module terminals MV-PV and PV.
WARNING
Be sure to close the building gas supply line
to the oven and place the manual knob on the
main gas valve in the OFF position, before ser-
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