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-4322AH
Page 9: ...4 3 SCHEMATIC DIAGRAM ...
Page 27: ...6 2 13581A 14970A 14026A 13552A 13536A 15006A 13213A 13720D 13352A DOOR PARTS ...
Page 28: ...6 3 23572A 249402 26549T 24781T WTP015 249401 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 948501 WSZ002 65006B BASE PLATE PARTS ...
Page 33: ...P NO 3828W5S2624 Jan 2003 Printed in Korea ...
Page 35: ...6 2 13581A 14970A 14026A 13552A 13536A 15006A 13213A 13720D 13352A DOOR PARTS ...
Page 36: ...6 3 23572A 249401 26549T 24781T WTP015 CONTROL PANEL PARTS ...
Page 38: ...6 5 466003 466001 43501A 43500A 44510A 466001 WSZ085 LATCH BOARD PARTS ...
Page 40: ...6 7 56170D 63302A 63303A WTT021 948501 WSZ002 65006B BASE PLATE PARTS ...