Panasonic NN-E205WB BPQ Service Manual page 24

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