Daewoo KOG-393R0S, KOG-371H0S, KOG-373R0S, KOG-374R0S NOTE KOG-371G/H, KOG-391G/H, of control box

Models: KOG-376T1S KOG-391G0S KOG-391H0S KOG-393R0S KOG-396T1S KOG-371R0S KOG-391R0S KOG-375R0S KOG-374R0S KOG-373R0S KOG-371H0S

1 103
Download 103 pages 31.34 Kb
Page 49
Image 49
of control box

(TROUBLE 4) The following visual conditions inditions 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 display are not on when they numbers is the display.

3.One or more digits in the display 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 noticeable too fast while cooking.

10.Display does not show the time of day when dlear 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.

CONDITION

Display does

not show

programming at all, even if keyboard is touched.

CHECK

Check rach pad for

continuity of the membrane keyboard for the following keyboard check procedure

RESULT

Normal

Abnormal

CAUSE

 

 

REMEDY

 

 

 

 

 

 

 

 

 

 

 

Replace

Malfunction

 

 

 

 

control box

of touch

 

 

 

 

sub-assembly

control circuit

 

 

 

 

 

of control box

 

 

 

 

 

 

sub-assembly

 

 

 

 

 

 

 

 

 

 

 

Malfunction

 

 

Replace the

 

 

of the membrane

 

 

membrane

keyboard

 

 

keyboard

 

 

 

 

NOTE (KOG-371G/H, KOG-391G/H)

Before following the particular steps listed above in the trouble shooting guide for the membrane keyboard's, failure, please check for the continuity of each wire-harness between the membrane keyboard and P.C.B. assembly.

48

Page 49
Image 49
Daewoo KOG-393R0S, KOG-371H0S, KOG-373R0S, KOG-374R0S, KOG-375R0S, KOG-391H0S NOTE KOG-371G/H, KOG-391G/H, of control box