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 HMB402
Страница 26: ...1005 1381 1000 1004 1002 1007 1006 DOOR PARTS 6 2 EV EV ...
Страница 27: ...2381 2004 2001 2006 W106 2003 2005 2382 CONTROL PANEL PARTS 6 3 EV ...
Страница 29: ...W102 5015 W101 5006 4002 4003 4002 4001 4000 LARCH BOARD PARTS 6 5 EV ...
Страница 31: ...6003 6005 5008 6006 6004 9003 W101 W108 6007 6007 W108 BASE PLATE PARTS 6 7 EV ...
Страница 32: ...W108 5004 5011 9002 W136 9001 SENSOR PARTS 6 8 EV ...
Страница 33: ...P NO 3828W5S3654 February 2004 Printed in Korea ...
