Daewoo KOG-37BG0S Service Manual page 20

CONDITION
Outlet has
Check continuity of magnetron
proper
voltage Fuse
does not
blow.
NOTE
Akk these switches must be replaced at the same time, please refer to "Interlock Mechanism And Adjustment".
(TROUBLE 2) Display shows all figures selected, but oven does not start cooking, even though
desired program and time are set and start pad is tapped.
CONDITION
Turn table
motor and
oven lamp
do not turn
on
Check continuity of secondary
interlock and D.O.M. switches
supplied to RELAY (RY2) coil
CHECK
Check continuity of
noise filter board
Check continuity of
power supply cord
CHECK
Check continuity of primary
interlock switch
Check D.C. voltage being
RESULT
No
Continuity
No
Continuity
No
Continuity
Normal
Defective touch
RESULT
No
Continuity
primary interlock
No
Continuity
primary interlock
0 V
Defective touch
Approx.
Faulty contacts of
15 VDC
RELAY (RY2) or
open relay coil
19
CAUSE REMEDY
Replace
Defective
magnetron
Replace
Defective line
filter board
Replace
Open power
supply cord
Replace
control circuit
CAUSE REMEDY
Adjust or
Malfunction of
replace
switch
Adjust or
Malfunction of
replace
and D.O.M.
switch
Replace
control circuit
Replace