Mitsubishi Electric SUZ-KA09NA2 Service Manual page 24

L Check of inverter P.C. board
Check the outdoor fan motor.
(Refer to "10-5. . Check of outdoor fan motor".)
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 in-
verter P.C. board.
Does the LED blink 10 times?
Yes
(10-time blink)
Replace the inverter P.C. board.
OCH699A
Yes
Check the corresponding parts
No
following LED indication.
(Refer to "10-3. HOW TO PR-
CEED "SELF-DIAGNOSIS"".)
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