5-15
CONDITION
CHECK
RESULT
CAUSE
REMEDY
No microwave
oscillation.
No continuity.
Continuity.
Abnormal or burn
out.
Defective monitor
resistor.
Replace.
Malfunction of the
power control
switch.
Replace the power
control switch.
Check the
power control
switch(cooking
state).
Check the
monitor resistor.
Abnormal
Defective AC
relay.
Replace.
Normal
Check the AC
relay.
Abnormal
Open the
secondary winding
of the high voltage
transformer of
faulty insulation of
filament winding.
Replace .
Check H.V.
transformer.
Abnormal
Shorted H.V. diode
Replace .
Check H.V.
diode.
Abnormal
Faulty capacitor.
Replace .
Check H.V.
capacitor.
Abnormal
Faulty magnetron.
Replace .
Magnetron
(TROUBLE 5) Oven does not cook at all even though turntable rotates.
Summary of Contents for MB-393T
Page 27: ...6 2 13536A 13581A 13552A 13213A 13352A 13720D 14970A 14026A 13650A DOOR PARTS ...
Page 28: ...6 3 24781T 26549T WTP004 249401 23572A 249402 CONTROL PANEL PARTS ...
Page 30: ...6 5 466003 466001 43501A 43500A 44510A 466001 WSZ085 LATCH BOARD PARTS ...
Page 32: ...6 7 56170D 63302A 63303A WTT021 WSZ002 65006B 948501 BASE PLATE PARTS ...
