5-13
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.
NOTE : All these switches must be replaced at the same time. Refer to page 5-7, 5-8
CONDITION
CHECK
RESULT
CAUSE
REMEDY
(TROUBLE 2) Oven does not operate at all, Display window does not display any figures,
and no input is accepted.
1. Fuse blows.
Continuity.
No continuity.
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).
Continuity.
No continuity.
Shorted contact at
the primary switch.
Replace fuse,
primary, monitor,
secondary
switches, and
RELAY(RY2) of
P.C.B Assembly.
Check continuity
of primary
switch (with
door opened)
Normal.
Replace fuse
Fuse blows again
Defective high
voltage capacitor.
Replace high
voltage capacitor.
Disconnect one
side of the wire
lead connected
from transformer
to the high
voltage
capacitor and
operate the unit.
Defective high volt-
age transformer.
Replace high volt-
age transformer.
Summary of Contents for GoldStar MAB745B
Page 9: ...SCHEMATIC DIAGRAM I Check the Rating Model No 4 3 ...
Page 10: ...SCHEMATIC DIAGRAM II Check the Rating Model No ADD Noise filter 4 4 ...
Page 28: ...6 2 DOOR PARTS 13581A 14970A 14026A 13552A 13213A 13352A 13720D 13536A EV ...
Page 29: ...6 3 CONTROLLER PARTS 23506A 23572A 268711 WTT028 24781M EV ...
Page 31: ...6 5 LATCH BOARD PARTS 466001 466003 WSZ085 466001 43500A 56912B 55262A EV ...
Page 34: ...6 8 BASE PLATE PARTS 56170D 63302A 63303A WTT021 WSZ002 65006B 65006B EV ...
Page 35: ......
