Daewoo KOR-616T2S Service Manual page 35

Condition
Outlet has
proper
Voltage
Fuse does
not open
NOTE 1
: All these switches must be replaced at the same time, please refer to page 17 and 18 for
adjustment instructions.
(TROUBLE 3) Display shows all figures selected, but oven does not start cooking, even though
desired program and time are set and start button is tapped.
Condition
Turn table
motor
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 primary
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
No Defective line
Continuity filter borard
No Open power
Continuity supply cord
Defective touch
Normal
control circuit
Result
Malfunction of
No
Primary interlock
Continuity
switch
Malfunction of
No
secondary
Continuity
interlock and
D.O.M. switch
Defective touch
0V
control circuit
Faulty contacts
Approx.
of RELAY (RY2)
-24VDC
open relay coil
34
Cause
Cause
Remedy
Replace
Replace
Replace
Replace
Remedy
Adjust or
replace
Adjust or
replace
Replace
Replace