5-13
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(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
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 5-6, 5-7
Summary of Contents for M150TC
Page 28: ...6 2 13552A 13213A 13352A 13581A 13720D 13806D 14970A 14026A 15006A 13536A DOOR PARTS EV...
Page 29: ...6 3 24781M 23506A 23572A 268711 WTP018 CONTROL PANEL PARTS EV...
Page 30: ...6 4 33052A 34960A 33390G 35889A 34370T 36549S WTP013 WTT010 WTT021 33112U OVEN CAVITY PARTS EV...
Page 31: ...6 5 43500A 466001 43501A WSZ085 466003 44510A 466001 LATCH BOARD PARTS EV...
Page 33: ...6 7 56170D 63302A 63303A WTT021 WSZ002 WSZ062 WTT030 647781 948503 948502 BASE PLATE PARTS EV...
Page 34: ......
