DAEWOO ELECTRONICS KOR-616T0A, Service Manual, Page: 34 / 57

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Condition
Check
Cause Result Remedy
Outlet has
proper
Voltage
Fuse does
not open
Check continuity
both magnetron and
heater thermostat
No
Continuity
Defective
magnetion and
heater thermostat
Replace
Check continuity
of noise filter board
No
Continuity Defective line
filter borard
Replace
Check continuity
of power supply
cord.
No
Continuity Open power
supply cord
Replace
Normal
Defective touch
control circuit
Replace
Condition
Check
Cause Result Remedy
Turn table
motor
fan moter and
oven lamp do
not turn on
Check continuity
of primary
interlock switch
No
Continuity
Malfunction of
Primary interlock
switch
Adjust or
replace
Approx.
-16VDC
Faulty contacts
of RELAY (RY2)
open relay coil
Replace
Defective touch
control circuit
Replace
Check D.C. voltage
being supplied to
RELAY (RY2) coil.
0V
Check continuity
of secondary interlock
and D.O.M. switch
No
Continuity
Malfunction of
secondary
interlock and
D.O.M. switch
Adjust or
replace
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.
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