-26-
C. TROUBLE SHOOTING
WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF THE
FOLLOWING SYMPTOMS APPLY, PLEASE INSTRUCT THE CUSTOMER IN THE PROPER USE OF THE MICROWAVE
OVEN. THIS CAN ELIMINATE AN UNNECESSARY SERVICE CALL.
CAUTIONS
1. Check grounding before checking for trouble.
2. Be careful of the Inverter.
3. When checking the continuity of the switches or of the inverter, disconnect one lead wire from these parts
and then check continuity with the AC plug removed. To do otherwise may result in a false reading or
damage to your meter.
4. Do not touch any part of the circuit on the PCB since static electric discharge may damage this control
panel.
Always touch yourself to ground while working on this panel to discharge any static charge built up in your
body. (Micom model only)
CONDITION
Microwave oven
does not work.
Inserting many plugs into one
outlet and using them at the
same time.
(blown fuse or breaker)
Microwave oven plug is not
inserted tightly.
Output power is too low.
Low AC input voltage.
Food temperature is too low.
Using metallic ware and
allowing it to touch the oven
wall.
Sparks occur.
Inconsistent intensity of
microwave by their
characteristics.
1. Use plastic wrap or lid.
2. Stir once or twice while
cooking soup, cocoa or
milk, etc.
Uneven cooking.
Ceramic ware trimmed in
gold or silver powder is used.
Avoid using other electrical
appliances when you use the
microwave oven.
Insert microwave oven plug
securely.
Use the microwave oven at
adequate line voltage.
This may not be a defect.
It is possible that the food
should be cooked for a
longer time period.
Do not use metallic ware for
cooking except where noted
in the cooking guide.
Do not use any type of
cookware with metallic
trimming.
CAUSE
REMEDY
Содержание LRMM1430SB
Страница 8: ...6 OVERALL CIRCUIT DIAGRAM A SCHEMATIC DIAGRAM 7 Figure 3 ...
Страница 9: ...B MATRIX CIRCUIT FOR TOUCH KEY BOARD 8 Figure 4 ...
Страница 32: ... 31 INTRODUCTION EXPLODED VIEW ...
Страница 33: ... 32 DOOR PARTS 14970A 14026A WTP002 13806A 13213A 13552A 13536A 13581A 268711 WTP002 23506A 13551A 15006A ...
Страница 34: ... 33 CONTROLLER PARTS 268711 WTP002 23506A 13551A ...
Страница 36: ... 35 LATCH BOARD PARTS WSZ085 43500A 466001 43501A 466003 466001 ...
Страница 37: ... 36 OVEN INTERIOR PARTS WTT028 WTT021 54974T 56501A 56930V 56912B 43500A 56324A WSZ002 ...
Страница 43: ... 42 SCHEMATIC DIAGRAM OF P C B ...
Страница 44: ... 43 PRINTED CIRCUIT BOARD KEY PCB MAIN PCB ...
Страница 48: ...P NO 3828W5S3066 May 2003 Printed in Korea ...