MITSUBISHI ELECTRIC MUZ-FD09NA- U1 - Manual (Page 28)

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Check the outdoor fan motor.
(Refer to10-5. .)
Is the fuse (F901) blown on the in-
verter P.C. board?
Check the connection of the connectors
(CN932) of the 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 in-
verter P.C. board.
Does the LED fl ash 10 times?
Replace the inverter P.C. board.
Check the corresponding parts
following LED indication.
(Refer to 10-3.)
Inverter P.C. board
(Solder side)
CN932
Yes
No
Yes
(10-time fl ash)
No
L Check of inverter P.C. board