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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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