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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.
Summary of Contents for FTX-N Series
Page 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications...
Page 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter...
Page 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U...
Page 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368...
Page 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A...