A6" Indoor Unit: Fan Motor (M1F) Lock, Overload - Daikin VRVIII-S Service Manual

Troubleshooting by Indication on the remote control
3.4

"A6" Indoor Unit: Fan Motor (M1F) Lock, Overload

A6
remote control
Display
Applicable
All indoor unit models
Models
Method of
Detection by failure of signal for detecting number of turns to come from the fan motor
Malfunction
Detection
Malfunction
When number of turns can't be detected even when output voltage to the fan is maximum
Decision
Conditions
Supposed
! Fan motor lock
Causes ! Disconnected or faulty wiring between fan motor and PC board
Troubleshooting
126
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the wiring from the fan
NO
motors ecurely connected
to connectors onthe indoor
unit PCboard?
YES
Wiring between the
YES
indoor unit PC board
and fan motor is
disconnected.
NO
YES
Does the fan motor run?
NO
SiENBE34-703
Connect the wiring and turn on
again.
Fix the wiring and turn on again.
Replace the indoor unit PC board.
Replace the fan motor.
(V2779)
Troubleshooting