5-13
CONDITION
CHECK
RESULT
CAUSE
REMEDY
1. Fuse blows.
Continuity.
No continuity.
Continuity.
Shorted contact at
the primary switch.
Replace fuse,
primary, monitor,
secondary
switches, and
RELAY(RY2) of
P.C.B Assembly.
No continuity.
Normal.
Defective high
voltage capacitor.
Replace high
voltage capacitor.
Fuse blows again
Defective high volt-
age transformer.
Replace high volt-
age transformer.
Malfunction of the
monitor switch.
Replace fuse,
primary, monitor,
secondary
switches, and
RELAY(RY2) 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 wire
lead connected
from transformer
to the high
voltage
capacitor and
operate the unit.
Replace fuse
Continuity.
Malfunction of
secondary switch.
Replace fuse,
primary, monitor,
secondary
switches, and
RELAY(RY2) of
P.C.B Assembly.
No continuity.
Check continuity
of secondary
switch (with
door opened).
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 5-7, 5-8
Содержание 767. 8703000
Страница 29: ...6 5 55262A WTT028 43500A 466003 466001 466001 43501A WSZ085 56912B LATCH BOARD PARTS EV ...
Страница 31: ...6 7 948503 63302R 56170D WSZ002 WTT021 WTT021 63302L 65006B 65006B 63303L 63303R BASE PLATE PARTS EV ...
Страница 32: ...6 8 WTT021 54974T 56501A WTP002 SENSOR PARTS EV ...
Страница 33: ...8 1 SCHEMATIC DIAGRAM OF P C B ...
Страница 34: ...8 2 PRINTED CIRCUIT BOARD ...
Страница 35: ...P NO 3828W5S1535 Printed in Korea ...
