Panasonic NN-SM221WZPE Service Manual ▷ View online
5-15
(TROUBLE 4) Oven does not cook at all even though turntable rotates.
No microwave
oscillation.
No continuity.
Continuity.
Malfunction of the
power control
switch.
Replace the power
control switch.
Check the timer
switch of timer
motor.(cooking
state)
Abnormal or burn
out.
out.
Abnormal
Abnormal
Defective monitor
resistor.
resistor.
Defective AC
relay.
relay.
Open the
secondary winding
of the high voltage
transformer of
faulty insulation of
filament winding.
Replace.
Replace.
Replace.
Check the
monitor resistor.
monitor resistor.
Check the AC
realy.
realy.
Check the AC
realy.
realy.
Normal
Abnormal
Shorted H.V.diode
Replace.
Check H.V.
diode.
diode.
Abnormal
Faulty capacitor.
Replace.
Check H.V.
capacitor.
capacitor.
Abnormal
Faulty magnetron.
Replace.
Magnetron
CONDITION
CHECK
RESULT
CAUSE
REMEDY
OVEN CAVITY PARTS
INTERIOR PARTS
BASE PLATE PARTS
LATCH BOARD PARTS
CONTROL PANEL PARTS
DOOR PARTS
6-1
EXPLODED VIEW
INTRODUCTION
6-2
DOOR PARTS
1
2
3
4
5
6
7
8
6-3
CONTROL PANEL PARTS
9
11
12
13
14
15
16
17
18
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