Read Panasonic NN-GM342WZPE Service Manual online
5-15
CONDITION
CHECK
RESULT
CAUSE
REMEDY
No microwave
oscillation.
oscillation.
No continuity.
Continuity.
Malfunction of the
power control
switch.
power control
switch.
Replace the power
control switch.
control switch.
Check the
power control
switch(cooking
state).
power control
switch(cooking
state).
Abnormal or burn
out.
out.
Normal
Defective monitor
resistor.
resistor.
Replace.
Check the
monitor resistor.
monitor resistor.
Abnormal
Defective AC
relay.
relay.
Replace.
Check the AC
relay.
relay.
Abnormal
Shorted H.V diode.
Replace.
Check H.V.
diode.
diode.
Abnormal
Open the
secondary winding
of the high voltage
transformer of
faulty insulation of
filament winding.
secondary winding
of the high voltage
transformer of
faulty insulation of
filament winding.
Replace.
Check H.V.
transformer.
transformer.
Abnormal
Faulty capacitor.
Replace.
Check H.V.
capacitor.
capacitor.
Abnormal
Faulty magnetron.
Replace.
Magnetron.
(TROUBLE 4) Oven does not cook at all even though turntable rotates.
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