Service manual

56
M Check of inverter P.C. board
MUZ-A09/12/15/17 MUY-A15/17
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.
(CN931, CN932) of outdoor fan motor.
If the connection is poor, correct it.
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-time?
Replace the inverter P.C. board.
Check the corresponding parts
following LED indication.
(Refer to 10-3.)
Yes
No
Yes
(10-time fl ash)
No
Inverter P.C. board
(Solder side)
CN932
CN931