Mitsubishi Electric MUZ-HJ25VA-E2 Service Manual page 50

L Check of inverter P.C. board
MUZ-HJ50VA MUZ-HJ60VA MUZ-HJ71VA
Check the outdoor fan motor.
(Refer to 11-5. .)
Is the fuse (F901) blown on the in-
verter P.C. board?
No
Check the connection of the connectors
(CN931, 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?
Yes
(10-time fl ash)
Replace the inverter P.C. board.
OBH648F
Yes
Check the corresponding parts
following LED indication.
No
(Refer to 11-3.)
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