5-17
CONDITION
No microwave oscillation.
Defective relay 2 of P.C.B.
Defective high voltage
transformer.
Test procedure high voltage
transformer.
Test procedure relay 2 of
P.C.B.
CAUSE
TEST PROCEDURE OR
CORRECTION
Defective high voltage
capacitor.
Defective high voltage
diode.
Test procedure high voltage
diode.
Test procedure high voltage
capacitor.
Defective magnetron.
Low AC input voltage.
Use the microwave oven at
adequate line voltage.
Test procedure magnetron.
Open or loose wiring to
above components.
Blown fuse
Check and repair wiring.
Check fuse
Spark occurring.
Using metallic ware and
allowing it to touch the
oven wall.
Ceramic ware trimmed in
gold or silver powder is used.
Do not use any type of cook
ware with metallic trimming.
Do not use metallic ware for
cooking except where noted
in the cookbook.
Grill rack is using in no load
condition.
Do not use the oven at
microwave and combination
mode with the grill rack
placed in the cavity when
the oven is empty.
(TROUBLE 3) Oven does not operating microwave cooking
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