LG MB-393T User Manual

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.

LG MB-393T Specifications

General

Brand	LG
Model	MB-393T
Category	Microwave Oven
Language	English