
17
CONDITION
CHECK
Check continuity of magnetron
Defective mag-
netron
RESULT
No
Continuity
CAUSE
REMEDY
Replace
Outlet has
proper volt-
age Fuse
does not
blow.
CONDITION
CHECK
Check continuity of primary inter-
lock switch
Malfunction of pri-
mary interlock
switch
RESULT
No
Continuity
CAUSE
REMEDY
Adjust or
replace
Turn table
motor and
oven lamp
do not turn
on
Check continuity of secondary
interlock and D.O.M. switches
Malfunction of pri-
mary interlock and
D.O.M.
switch
No
Continuity
Adjust or
replace
Check D.C. voltage being sup-
plied to RELAY (RY2) coil
Defective touch
control circuit
0 V
Replace
Faulty contacts of
RELAY (RY2) or
open relay coil
Approx.
15 VDC
Replace
Check continuity of
noise filter board
Defective line
filter board
No
Continuity
Replace
Check continuity of
power supply cord
Open power sup-
ply cord
No
Continuity
Replace
Defective touch
control circuit
Normal
Adjust
NOTE 1
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 button is tapped.
Содержание KOR-639R0S
Страница 24: ...23 THERMAL CUT OUT INTERLOCK MONITOR SWITCH 1 2 3 WIRING DIAGRAM...
Страница 26: ...25 Mesurement point MP1 MP2 PCB MAIN...
Страница 27: ...26 PCB SUB...