Mitsubishi Electric SUZ-SWM30VA TH Series Service Manual page 36

L Check of inverter P.C. board
Check the outdoor fan motor.
(Refer to 12-5. .)
Is the fuse (F901) blown on the
inverter 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
inverter P.C. board.
Does the LED blink 10 times?
Yes
(10-time blink)
Replace the inverter P.C. board.
OCH796A
Yes
Check the corresponding parts
following LED indication.
No
(Refer to 12-3.)
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