Mitsubishi Electric SVZ-KP18NA Service Manual page 29

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
TEST RUN.
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.
TCH022
Yes
Check the remedy following LED
No
indication.
(Refer to "10-3. HOW TO PR-
CEED "SELF-DIAGNOSIS"".)
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