Daewoo KOR-630A9A, KOR-630A1A, KOR-630A0A Continuity of the membrane Touch Assembly Programming

(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 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 knob is turned.

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

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 cancel button 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	CHECK	RESULT	CAUSE	REMEDY
Display does	Check rach pad for	Normal	Malfunction	Replace con-
				trol box sub-
not show	continuity of the membrane		of touch
				assembly
programming	keyboard for the following key-		control circuit
at all, even if	board check procedure		of control box
keyboard is			sub-assembly
touched.
		Abnormal	Malfunction	Replace the
			of the membrane	membrane
			keyboard	keyboard

NOTE

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.

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