Daewoo KOR-861G0P, KOR-631G0P, KOR-631H0P service manual Orm al

D isplay does not show program m ing at all, even if keyboard is touched.

C heck each pad for

continuity of the

m em brane keyboard

for the follow ing keyboard check proce dure

C HECK

C O N D ITIO N

R eplace the m em brane keyborad

M alfunction of the m em brane keyboard

M alfunction

of touch

control circuit of control box sub-a ssem bly

R eplace

control box sub-a ssem bly

CAU SE

R EM ED Y

TROUBLE SHOOTING GUIDE

( TROUBLE 4 ) The following visual conditions indicate a probable defective touch control circuit or membrane switch assembly

1. Incomplete segments,

1)Segments missing.

2)Partical segments missing.

3)Digit flickering other than normal display slight flickering.

4)“ : 0 ” does not display when power is on.

2. A distinct change in the diplay are not on when they numbers is the display.

3. One or more digits in the diplay are not on when they should be.

4. Display indicates a number different from one touched.

5. Specific numbers (for example 2 or 3) will not display when the panel is touched.

6. Display does not count down or up with time cooking or clock operation.

7. Oven is programmable 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 clear pad is touched.

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.

R ESULT

N orm al

￿￿Abnorm al

NOTE

Before following the particular steps listed above in the trouble shooting guide for the m em brane keyborad’s, failure, please check for the continuity of each wire -harness betw een the m em brane keyboard and P.C .B . assem bly.