Indoor Fan Motor (Dc Motor) Or Related Abnormality - Daikin RXL-W Series Service Manual

Troubleshooting for FDMQ Series
6.3

Indoor Fan Motor (DC Motor) or Related Abnormality

A6
Error Code
Method of Error  Detection from the current flow on the fan PCB
Detection  Detection from the rotation speed of the fan motor in operation
Error Decision
The rotation speed is less than a certain level for 6 seconds.
Conditions
Supposed
 Clogged foreign matter
Causes  Disconnection of fan motor connectors
 Disconnection of the connector between the indoor unit PCB and the fan PCB
 Defective fan PCB
 Defective fan motor
 No fuse continuity
Trouble Shooting
141
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn OFF the power supply
and wait for 10 minutes.
There is a foreign
matter around the fan.
NO
The fan motor
connector (∗1) is
connected to the fan
PCB.
YES
The connector
between the indoor unit
control PCB and the fan
PCB is connected.
YES
There is a
continuity in the fuse
(∗2) on the fan PCB or fan
motor harness.
YES
Go to the next page
A
YES
NO
NO
NO
SiUS092231E
Remove the foreign matter.
Connect the connector
correctly.
Connect the connector
correctly.
Replace the fuse.
R6000547
Part 6 Service Diagnosis