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YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Is Fuse OK?
Is CON1 TCO & MONITOR FUSE
& MGT TCO OK?
MWO does not operate.
Is Primary interlock
switch normal?
Is the power part of
PCB normal?
Replace ASSY PCB
Close the door and check if the
Micro Switch is working properly.
Check whether parts normally
work after replaced.
Check whether it normally works
after ASSY PCB is replacerd.
Check whether it normally
works after appropriate
parts are replaced.
Replace
appropriate parts
Replace ASSY PCB
Replace H.V DIODE,
H.V.Capacitor,
H.V. Trans and
Magnetron.
Is the power part of
PCB normal?
Are high voltage
circuits normal?
Normal Operation
resistance : PCB Input
230V is Normal
Caution
1. Be careful of high voltage circuits.
2. Discharge a high voltage capacitor.
Make sure inspect the power relay after
priry interlock switch, Secondary interlock
switch and door sensing switch.
* Latch switch assemblies
DOOR SENSING
INTERLOCK SWITCH
MONITOR INTERLOCK
SWITCH (BOTTOM)
PRIMARY INTERLOCK
SWITCH (TOP)
4-3-11 If MWO malfunction
