Amana ALD10DT P1331001M Service Manual page 16

Troubleshooting Procedures (Dial Models)
Does the fan motor work when you
shut the door and turn the timer?
YES
Does the oven lamp light?
YES
If microwave does not
oscillate, check continuity
of filament of magnetron.
Poor continuity
Check the isolation of filament
winding of high voltage
transformer.
Good
16
NO
Normal reading
should be
approx. 0
NO
Check continuity
Continuity
filament tap (3.3V)
of high voltage.
Continuity
Check continuity
filament tap (3.3V)
of high voltage.
Continuity
Meter with 6V or higher
voltage batteries should
be used to check the normal
direction resistance of
the diode
NO Continuity
16400005
Replace or repair oven lamp.
No Continuity
Replace high
Voltage transformer
Continuity in
the reverse
Replace high
direction.
Voltage transformer
Replace magnetron
Replace high voltage
transformer.
Replace magnetron
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