-29-
2. Fuse does not
blow.
No continuity.
No continuity.
Replace power
supply cord.
Defective
thermostat.
Defective power
supply cord.
Replace
thermostat.
Check continuity
of thermostat.
Check continuity
of power supply
cord.
Continuity.
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
(TROUBLE 2) Oven does not operate at all and Display window does not display any figures and no input is accepted.
Summary of Contents for 721.62222300
Page 8: ...6 OVERALL CIRCUIT DIAGRAM A I SCHEMATIC DIAGRAM Check the Model No 7...
Page 9: ...8 A II SCHEMATIC DIAGRAM Check the Model No ADD Noise filter...
Page 10: ...9 B MATRIX CIRCUIT FOR TOUCH KEY BOARD Figure 4...
Page 34: ...33 1003 1001 1000 1006 1007 1004 1005 1013 1002 EV DOOR PARTS...
Page 35: ...34 2000 2002 2001 2381 2006 W106 2003 2005 2007 2004 2010 EV CONTROL PANEL PARTS...
Page 37: ...36 4003 4000 4002 4002 W102 EV LATCH BOARD PARTS...
Page 40: ...39 W101 6002 W109 W108 5008 6000 6001 9001 EV BASE PLATE PARTS...
