Daewoo KOR-612L0S, Service Manual

Page: 37 / 55

36
(TROUBLE 4) Display shows all figures selected, but oven does not start cooking, even though
desired program and time are and start pad is taped.
Check Result
Cause Remedy
Replace
Check continuity
of oven
thermostat
Condition
No
Continuity
Defective oven
thermostat.
Replace
Check continuity
of power supply
cord.
No
Continuity
Open power
supply cord.
Replace
Normal
Defective touch
control circuit
Replace
Display do not
show countdown
Malfunction of
secondary
interlock switch
Outlet has
proper
voltage
Fuse does
not open
Check Result
Cause Remedy
Adjust or
replace
Check continuity
of primary
interlock switch
Condition
No
Continuity
Malfunction of
Primary interlock
switch
Replace
Check D.C. voltage
being supplied to
RELAY “2” coil.
OV
Defective touch
control circuit
Replace
Approx.
24VDC
Faulty contacts
of RELAY “2”
or open relay
coil
Turn table
motor,
fan motor and
oven lamp do
not turn on