20
Malfunction of
the P.C.B
sub-assembly
Replace the P.C.B
sub-assembly
(TROUBLE 4) The following visual conditions indicate a probable defective touch control circuit assembly.
1. Incomplete segments
(1) Segments missing
(2) Partial segments missing
(3) Digit flickering other than normal display slight flickering
(4) :0 does not display when power is on.
2. Distinct changes in the display are not on when they should be.
3. One or more digits in the display are not on when they should be.
4. Display indicates a number different from one pressed.
5. Specific numbers (for example 2 or 3) will not display when the panel
is pressed.
6. Display does not count down or up with time cooking or clock opera-
tion.
7. Oven is programable and cooks normally but no display shows.
8. Display obviously jumps in time while counting down.
9. Display counts down noticeably too fast while cooking.
10. Display does not show the time of day when STOP/CLEAR button is pressed.
11. Oven lamp and turntable motor do not stop although cooking is finished. Check if the RELAY 2 contacts close.
If they are close, replace touch control circuit.
Condition
Check
Result
Cause
Remedy
Display does
not show
programming
at all, even it
button is
pressed.
Check each button
for continuity of the
P.C.B sub-assembly
for the following
button check
procedure
Normal
Abnormal
Malfunction
of the P.C.B
main-assembly
Replace the P.C.B
main-assembly
NOTE : Before following the particular steps listed above in the troubleshooting guide for the button of control
panel failure, please check for the continuity of each wire-harness between the P.C.B main-assembly and
P.C.B. sub-assembly.
M/W
DEF. Grill Combi
g
22
Summary of Contents for KOG-3C6R
Page 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION 465 384 ...
Page 27: ...26 WIRING DIAGRAM ...
Page 29: ...28 MP1 MP2 Measure Point ...
Page 31: ...30 2 PCB CIRCUIT DIAGRAM ...
