Trouble Shooting Guide - Daewoo KOG-26852S Service Manual

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TROUBLE SHOOTING GUIDE

Trouble
Door shut, timer set but no cooking takes place.
1)
NO
Does 12A fuse blow?
NO
continuity
Replace
fuse
Both
continuity
Disconnect one side of the lead
wire connected from transformer
to the high voltage capacitor, and
operate oven.
Fuse again blows
Outlet has
Proper voltage
Does the fan motor work when you shut the door
and turn the timer?
NO
Does 12A/15A fuse
blow?
Check continuity of
interlock monitor switch
with door shuted.
Check continuity of both
interlock switch's contact
and monitor switch's contact
with door partially open until
monitor switch contact closes.
Check continuity
of thermostat
Check continuity
of power supply cord.
YES
continuity
Both no
continuity
One is continuity
The other is not.
Normal
NO
continuity
NO
continuity
23
Replace
primary interlock switch,
secondary interlock switch
and interlock monitor switch.
*All these switches must be
replace at the same time.
Replace
primary, secondary inter-
lock switch and interlock
monitor switch.
Replace
primary, secondary
interlock switch and interlock
monitor switch.
Replace
high voltage
Capacitor.
Replace
high voltage
transformer
Replace
thermostat
Replace
Power supply cord.

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Kog-26952s

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