
20
(TROUBLE 1) Oven does not operate at all; any inputs can not be accepted
Condition
Fuse blows
Continuity
Continuity
Continuity
Shorted contacts
of primary
interlock switch
No
Continuity
No
Continuity
Malfunction of
interlock switch
Check continuity
of interlock monitor
switch with door closed
(COM
↔
NC)
Check continuity
of both primary and
secondary interlock
switch with door closed
Check continuity of
primary interlock switch
contact with door partially
open until interlock
monitor switch contact
close (COM
↔
NC close)
Check continuity of
primary winding of low
voltage transformer.
0
Ω
or infinite
Approx.
150~210
(normal)
Defective low
voltage
transformer
Disconnect high
voltage fuse and operate
the unit.
Fuse again
blows
Defective high
voltage
transformer
Malfunction of
interlock monitor
switch
Replace
Replace
Replace
Replace
Replace
Check
Result
Cause
Remedy
(COM
↔
NC)
(COM
↔
NC)
Note 1.
Note 1.
Note 1.
Содержание KOG-84CR
Страница 1: ...Service Manual Microwave Oven Model KOG 84CR DAEWOO ELECTRONICS CO LTD...
Страница 31: ...31 EXPLODED VIEW Au to Co ok me nu...
Страница 35: ...35 FIG 17 MEASUREMENT POINT MP1 MP3 MP2...
Страница 36: ...36...
Страница 42: ...42 P C B CIRCUIT DIAGRAM...