Mitsubishi Electric MUZ-GC25VA-E1 Service Manual page 35

Outdoor fan motor does not operate , or stops immediately after starting up.
Check of inverter P.C. board
M
MUZ-GC35VA MUZ-GC35VAH
Check the outdoor fan motor.
(Refer to11-5.I.)
Is the fuse (F901) blown on
the inverter P.C. board?
No
Check the connection of the connectors.
(CN931, CN932) of outdoor fan motor.
If the connection is poor, make it correct.
Operate the outdoor unit by starting
EMERGENCY OPERATION.
Check the LED indication on
the inverter P.C. board.
Does the LED flash 10-time?
Yes
(10-time flash)
Replace the inverter P.C. board.
Yes
Inverter P.C.board
(Solder side)
CN931
CN932
Check the corresponding parts
No
following LED indication.
(Refer to 11-3.)
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