Daewoo KOC-1C0KB Service Manual page 32

2. Check points after repair
- After repair or replacement of parts, operate the oven in M/W mode.
There will be occur following problems.
2-1) Display doesn't show again, after opening and closing the door
CHECK
Check the continuity between
the primary interlock switch and
the monitor switch
2-2) There is no problem during opening and closing the door, but display doesn't show as soon
as the oven operate in Microwave mode
CHECK
Check the connecting location of
H.V. transformer, H.V. diode and
H.V. capacitor
RESULT
find the trouble in
switch
RESULT
False connection
Right connection
31
CAUSE AND REMEDY
1) Replace switch
2) Replace main fuse
CAUSE AND REMEDY
1) Modify connection
2) Replace main fuse
1) Replace H.V. transformer
2) Replace main fuse