Mitsubishi Electric MUZ-EF25VG Service Manual page 45

L Check of inverter P.C. board
Check the outdoor fan motor.
(Refer to 12-5. .)
Is the fuse (F901) blown on the in-
verter P.C. board?
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 blink 10 times?
Replace the inverter P.C. board.
OBH832
Yes
No
No
Yes
(10-time blink)
Check the corresponding parts
following LED indication.
(Refer to 12-3.)
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