1. Incomplete segments.
¥ Segment missing.
¥ Partial segment missing.
¥ Digit flickering (NOTE: Slight flickering is normal.)
2. Colon does not turn on or blink.
3. A distinct change in the brightness of one or more numbers in display.
4. One or more digits in the display are not lighting.
5. Display indicates a number different from one touched, for example, key in
5
and
3
appears in the display.
6. Specific numbers (for example 7 or 9) will not display when key pad is touched.
7. Display does not count down with time blinking or up with clock operation.
8. Display obviously jumps in time while counting down.
9. Display counts down too fast while cooking.
10. Each indicator light does not turn on after setting cooking cycle.
11. Display time of day does not reappear when cooking is finished.
5-14
(TROUBLE 1) The following visual conditions indicate a probable defective control circuit.
CONDITION
CHECK
RESULT
CAUSE
REMEDY
1. No input can be
programmed.
Continuity
No continuity
Defective PCB
assembly.
Loose
connection.
Replace PCB
assembly.
Connect them
tightly.
Check the conn-
ection between
membrane key
assembly and
PCB assembly.
2. Some inputs
cannot be
programmed.
3. Display shows a
number or figure
different from one
touched.
4. Random
programming
when touching
other pads.
5. Display is fixed
at some figure
and can not
accept any
input.
Everything works
as specified.
Still have trouble.
Defective key
membrane
assembly.
Defective PCB
assembly.
Replace key
membrane
assembly.
Replace PCB
assembly.
Replace key
membrane
assembly and
check operation.
Содержание GoldStar MA-1302S
Страница 30: ...6 2 13581A 13720D 13213A 13552A 15006A 13536A 14890A 14026A 14970A WTT040 13650A DOOR PARTS ...
Страница 31: ...6 3 24781S 23806C 23572A 268712 268711 249401 250201 CONTROL PANEL PARTS ...
Страница 33: ...6 5 WSZ085 43501A 466001 466003 466001 43500A LARCH BOARD PARTS ...
Страница 34: ...6 6 54974T 55900A 50CZZH 54810C WSZ002 WSZ002 WTT037 56549F 54974S 56201A SUCTION GUIDE PARTS ...
Страница 36: ...6 8 63302L 56170D 63302R WSZ002 WTT021 647781 647781 WTT030 63303R 63303L 948502 BASE PLATE PARTS ...
Страница 37: ...8 1 SCHEMATIC DIAGRAM OF P C B ...
Страница 38: ...8 2 PRINTED CIRCUIT BOARD ...
Страница 39: ...P NO 3828W5S0845 June 1999 Printed in Korea ...