Daikin 4MXL-T Series Service Manual page 217

SiUS121827E
Troubleshooting
Reference
Check No.16 Refer to P.240
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Fan motor
connector disconnected?
NO
Foreign matters
in or around the fan?
NO
Turn on the power.
Rotate the fan.
Fan rotates
smoothly?
YES
Check No. 16
Check the rotation pulse input on
the outdoor unit PCB (main PCB).
Pulse signal
generated?
YES
YES
YES
NO
NO
Troubleshooting for Outdoor Unit
Turn off the power and
reconnect the connector.
Remove the foreign
matters.
Replace the outdoor fan
motor.
Replace the outdoor fan
motor.
Replace the outdoor unit
PCB (main PCB).
(R20416)
211