(Revised 1/02)
TROUBLESHOOTING
7-5
PROBLEM: UNIT WILL NOT TURN ON - (Continued)
Probable Cause
Corrective Action
Pilot burner not ignited. (Continued)
24VAC measured. Turn off oven power.
• Check for pilot burner orifice blockage. Clean and repair
if necessary.
• Replace main gas valve MGV1. See page 8-54.
WARNING
Be sure oven is disconnected from power
branch circuit power before performing any
repair work.
24VAC not measured.
Turn off oven power and replace
igniter module (see page 8-51).
WARNING
When oven power is turned on, there is high
voltage present in the electrical components
compartment.
No spark observed. Turn on oven power. Refer to
schematic diagram (page 4-19 or 5-19) and check for
24VAC at igniter module terminals 24V-1 and 24V-2.
24VAC measured. Turn off oven power and:
• Check large orange wire from igniter module to pilot
burner for continuity
, and for insulation breaks. Replace
wire if necessary.
• Clean spark electrode and hood of pilot burner.
• Check spark gap. Clean and regap if necessary.
•
Check if pilot burner is wet. Dry pilot burner if necessary.
• Replace igniter module. See page 8-51.
24VAC not measured. Turn off oven power and
disconnect oven from branch circuit.
• Place pilot switch SW1 in the ON position. Check switch
continuity
. Replace switch if meter indicates an open
circuit.
•
Continuity check SW1-to-igniter module wiring. Replace
defective wire.
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