21
TROUBLE SHOOTING GUIDE
Trouble
Door shut, timer set but no cooking takes place.
Does the fan motor work when you shut the door
and turn the timer?
Does 12A fuse
blow?
NO
NO
YES
Check continuity of
interlock monitor switch
with door shuted.
No
continuity
Replace
fuse
Check continuity of both
interlock switch's contact
and monitor switch's contact
with door partially open until
monitor switch contact closes.
Both
continuity
Both no
continuity
Replace
primary interlock switch.
secondary interlock switch
and interlock monitor switch.
*All these switches must be
replaced at the same time.
Replace
primary, secondary inter-
lock switch and interlock
monitor swtich.
Replace
primary, secondary
interlock switch and interlock
monitor switch.
Replace
high voltage
Capacitor.
Replace
high voltage
transformer
Replace thermostat.
Replace Power supply cord.
Check continuity
of power supply cord.
Check continuity
of thermostat.
Outlet has
Proper voltage
Disconnect one side of the lead
wire connected from transformer
to the high voltage capacitor, and
operate oven.
continuity
One is continuity
The other is not.
Normal
Fuse again blows
No
continuity
No
continuity