Mitsubishi Electric MUZ-FE09NA Service Manual page 33

L Check of inverter P.C. board
Check the outdoor fan motor.
(Refer to 10-5. .)
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.
*Only for MUZ-FE18NA
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?
Yes
(10-time blink)
Replace the inverter P.C. board.
OBH543G
Yes
Check the remedy following LED
indication.
No
(Refer to 10-3.)
33