GE ZEK957 Series User Manual

– 43 –
Microwave Unit Dead
Check fuse.
Is fuse blown?
Check:
120 VAC
Magnetron TCO
Flame TCO
All OK?
NO
Replace PBC.
Repair or replace
faulty component.
NO
Visually inspect
varistor.
Varistor OK?
Replace PCB.NO
Perform Monitor
Switch Test.
Pass test?
Replace monitor.NO
Perform High-
Voltage
Transformer Test.
Pass test?
Replace high-
voltage
transformer.
NO
YES
Perform High-
Voltage Capacitor
Test.
Pass test?
Replace high-
voltage capacitor.
NO
YES
Perform
Magnetron Test.
Pass test?
YES
Replace
magnetron.
NO
System checks
normal. Replace
fuse.
YES
Check for continuity:
Black wire - line-in to
RY2.
White wire - CON02
connector to neutral.
Continuity OK?
YES
Repair circuit.NO
YES
YES
YES

GE ZEK957 Series Specifications

General

Brand	GE
Model	ZEK957 Series
Category	Oven
Language	English