Daikin FDMQ-R Series Service Manual

SiUS091601EA Troubleshooting for FDMQ Series
Part 6 Service Diagnosis 140
6.3 Indoor Fan Motor (DC Motor) or Related Abnormality
Error Code A6
Method of Error
Detection
 Detection from the current flow on the fan PCB
 Detection from the rotation speed of the fan motor in operation
Error Decision
Conditions
The rotation speed is less than a certain level for 6 seconds.
Supposed
Causes
 Clogged foreign matter
 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
R6000547
Connect the connector
correctly.
Turn OFF the power supply
and wait for 10 minutes.
NO
YES
NO
Connect the connector
correctly.
NO
YES
YES
Replace the fuse.
There is a
continuity in the fuse
(∗2) on the fan PCB or fan
motor harness.
NO
The fan motor
connector (∗1) is
connected to the fan
PCB.
Remove the foreign matter.
YES
There is a foreign
matter around the fan.
The connector
between the indoor unit
control PCB and the fan
PCB is connected.
A
Go to the next page
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.

Daikin FDMQ-R Series Specifications

General

Brand	Daikin
Model	FDMQ-R Series
Category	Air Conditioner
Language	English