Specifications

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124 Troubleshooting
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Check No. 1
Check on connector of fan
motor (Power supply cable)
Check No. 2
Check for Fan Speed Pulse
Input on Outdoor Unit PC
Board.
YES
NO
Replace the fan motor of
outdoor unit.
Replace outdoor unit PC
board.
(V3077)
Is the pulse inputted?
Connector
of fan motor is
disconnected.
YES
NO
NO
YES
Can the fan
be turned smoothly
with hand after disconnect
the connector of
fan motor?
Is there any
obstacle around
the fan?
YES
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Connect the connector.
Remove the obstacle.
Replace the fan motor of
outdoor unit.