Filter
Top Products
23
Does the fan motor when you shut the door and turn the time?
No microwave
oscillation.
Check continuity
of filament of
magnetron.
NO
NO
continuity
Replace or repair
oven lamp,
turntable motor.
Replace
magnetron.
Replace
high voltage
transformer.
Replace
high voltage
diode.
Replace high voltage
transformer.
Replace
magnetron.
Check the isolation of
filament winding of high
voltage transformer.
NO
continuity
NO
continuity
Continuity
in the
reverse
direction
Poor
continuity
NO GOOD
GOOD
Faulty magnetron
Does the oven lamp light?
Does the turntable turn?
Check continuity
of filament of
magnetron.
*Do not operate when you check this continuity
*Normal reading should be approx. 0 Ω
*Meter with 6V or higher voltage batteries should
be used to check the normal direction resistance
of the diode.
Check continuity fil-
ament tap (3.3V) of high
voltage transformer.
Check the diode for
cintinuity in the reverse
and normal direction
YES
YES
2.