Mitsubishi Electronics MUZ-FD09NA Air Conditioner User Manual


 
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Check the outdoor fan motor.
(Refer to 10-5. .)
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 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 ash)
No
L Check of inverter P.C. board