5-13
CONDITION
CHECK
RESULT
CAUSE
REMEDY
1. No input can be
programmed.
Continuity.
No continuity.
Defective PCB
assembly.
Replace PCB
assembly.
Check the conn-
ection between
membrane key
assembly and
PCB assembly.
Loose
connection.
Connect them
tightly.
2. Some inputs
cannot be
programmed.
Everything works
as specified.
Still have trouble.
Defective key
membrane
assembly.
Replace key
membrane
assembly.
Replace key
membrane
assembly and
check operation.
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.
Loose
connection.
Replace PCB
assembly.
(TROUBLE 1) Oven lamp does not turn on when the timer knob is pushed with door closed.
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.
12. Beep sound is not heard when correct key is touched.
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Содержание MH-2381NBR
Страница 28: ... 6 1 EXPLODED VIEW INTRODUCTION EV MODEL ...
Страница 29: ... 6 2 13552A 14890A 13213A 14026A 14970A 13581A 13536A 13720D WTT028 13650A DOOR PARTS EV ...
Страница 30: ... 6 3 WTP004 268711 24781S 23572A 23806C 25020M 25020S 243501 249401 WTP013 268712 CONTROL PANEL PARTS EV ...
Страница 32: ... 6 5 466003 466001 43501A 43500A 466001 WSZ085 44510A LATCH BOARD PARTS EV ...
Страница 34: ... 6 7 56170D 63303A WSZ002 WTT021 63302A 65006B BASE PLATE PARTS EV ...
Страница 35: ......