20
CONDITION CHECK
Check continuity of magnetron Defective
magnetron
RESULT
No
Continuity
CAUSE REMEDY
Replace
Outlet has
proper
voltage Fuse
does not
blow.
CONDITION CHECK
Check continuity of primary
interlock switch Malfunction of
primary interlock
switch
RESULT
No
Continuity
CAUSE REMEDY
Adjust or
replace
Turntable
motor and
oven lamp
do not turn
on Check continuity of secondary
interlock switch Malfunction of
secondary
interlock
switch
No
Continuity Adjust or
replace
Check D.C. voltage being
supplied to RELAY (RY2) coil Defective touch
control circuit
0 V Replace
Faulty contacts of
RELAY (RY2) or
open relay coil
Approx.
15 VDC
Replace
Display do not shown
countdown Malfunction of
D.O.M Switch
Replace
Check continuity of
power supply cord Open power
supply cord
No
Continuity
Replace
Defective touch
control circuit
Normal Replace
NOTE
All 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.