Does the fan motor work when you shut the door
and turn the timer?
Does 12A fuse
blow?
Check continuity of
interlock monitor switch
with door shuted.
Replace
fuse
Check continuity of both
interlock switch's contact
and monitor switch's contact
with door partially open until
monitor switch contact closes.
Disconnect one side of the lead
wire connected from transformer
to the high voltage capacitor, and
operate oven.
Replace
Power supply cord.
Replace
primary interlock switch,
secondary interlock switch
and interlock monitor switch.
*All these switches must be
replace at the same time.
Replace
H.V.T. Thermal cut-out
Outlet has
Proper voltage
Check continuity of
H.V.T. Thermal cut-out.
Check continuity
of power supply cord.
Replace
high voltage
transformer
Replace
high voltage
Capacitor.
Replace
primary, secondary
interlock switch and interlock
monitor switch.
Replace
primary, secondary inter-
lock switch and interlock
monitor switch.
NO
NO
NO
continuity
Both
continuity
Both no
continuity
continuity
YES
Fuse again blows
Normal
One is continuity
The other is not.
NO
continuity
NO
continuity
Trouble
Door shut, timer set but no cooking takes place.
1)
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