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
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
Summary of Contents for GoldStar GMS-7020UW
Page 26: ...6 1 EXPLODED VIEW INTRODUCTION EV ...
Page 27: ...6 2 13536A 13581A 13213A 13552A 13720D 13352A 14970A 14026A DOOR PARTS EV ...
Page 28: ...6 3 23506A 23572A 268711 WTP028 24781M CONTROLLER PARTS EV ...
Page 30: ...6 5 LATCH BOARD PARTS EV 43500A 466001 466001 44510A WSZ085 466003 ...
Page 32: ...6 7 56170D WTT028 54810C 50CZZH 56851D 63302A WSZ002 WTT021 65006B 63303A BASE PLATE PARTS EV ...
Page 33: ...8 1 SCHEMATIC DIAGRAM OF P C B ...
Page 34: ...8 2 PRINTED CIRCUIT BOARD ...
Page 35: ......
