-28-
CONDITION
CHECK
RESULT
CAUSE
REMEDY
1. Fuse blows.
Continuity.
No continuity.
Continuity.
Shorted contact at
the primary switch.
Replace fuse,
primary, monitor
switches, and
RELAY of P.C.B
Assembly.
No continuity.
Normal.
Defective control
PCB.
Replace Inverter.
Fuse blows again
Defective Inverter.
Replace control
PCB.
Malfunction of the
monitor switch.
Replace fuse,
primary, monitor
switches, and
RELAY of P.C.B
Assembly.
Check continuity
of monitor
switch (with
door closed).
Check continuity
of primary
switch (with
door opened).
Disconnect one
side of the lead
wires connected
from Inverter.
Replace fuse
2. Fuse does not
blow.
No continuity.
Continuity.
No continuity.
Defective power
supply cord.
Replace power
supply cord.
Defective
thermostat.
Replace
thermostat.
Check continuity
of thermostat.
Check continuity
of power supply
cord.
(TROUBLE 2) Oven does not operate at all, Display window does not display any figures,
and no input is accepted.
NOTE : All these switches must be replaced at the same time. Refer to page 18, 19
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 ...
