Daewoo KOG-366T0S Service Manual page 36

Condition
Outlet has
proper Voltage
Fuse does not
open
NOTE 1 :
All these switches must be replaced at the same time, please refre to page 17 and 18 for
adjustment instructions
(TROUBLE3) Display shows all figures selectdd, but oven does not start cooking, even though
desired program and time are set and start button is tapped.
Condition
Turn table
motor and fan
moter and
oven lamp do
not turn on
Check
Check continuity
both magnetron
and heater
thermostat
Check continuity
of noise filter
board
Check continuity
of power supply
cord.
Check
Check continuity
of promary
interlock switch
Check continuity
of secondary
interlock and
D.O.M. switch
Check D.C.
voltage being
supplied to
RELAY(RY2) coil.
Result
Defective
No
magnetion and
Continuity
heater
thermostat
Defective line
No
filter borard
Continuity
Open power
No
supply cord
Continuity
Defective touch
Normal
control circuit
Result
Malfunction of
No
Primary
Continuity
interlock switch
Malfunction of
No
secondary
Continuity
interlock and
D.O.M switch
Defective touch
0V
control circuit
Faulty contacts
Approx.
of RELAY
-16V DC
(RY2)
open relay coil
35
Cause
Cause
Remedy
Replace
Replace
Replace
Replace
Remedy
Adjust or
replace
Adjust or
replace
Replace
Replace