A6" Indoor Unit: Fan Motor (M1F) Lock, Overload - Daikin R-410A Service Manual

Troubleshooting by Indication on the Remote Controller

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

4.4
A6
Remote
Controller
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
! Fan motor lock
Supposed
! Disconnected or faulty wiring between fan motor and PC board
Causes
Troubleshooting
114
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the
wiring from the
NO
fan motor securely
connected to connectors
on the indoor unit
PC board?
YES
Wiring
between the
YES
indoor unit PC board
and fan motor is
disconnected.
NO
YES
Does the fan motor run?
NO
SiBE39-402A
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