Daikin FTXN24KVJU Service Manual

Troubleshooting SiUS041111
92 Service Diagnosis
4.11 DC Fan Lock
Remote
Controller
Display
E7
Method of
Malfunction
Detection
An error is determined with the high-voltage fan motor rotation speed detected by the Hall IC.
Malfunction
Decision
Conditions
 The fan does not start in about 15 seconds even when the fan motor is running.
 If the error repeats, the system is shut down.
 Reset condition: Continuous run for about 11 minutes without any other error
Supposed
Causes
 Disconnection of fan motor
 Foreign matters stuck in the fan
 Defective fan motor
 Defective outdoor unit PCB
Troubleshooting
Check No.16
Refer to P.122
(R14410)
Caution
YES
YES
NO
YES
NO
NO
YES
NO
Turn on the power.
Rotate the fan.
Check No. 16
Check the rotation pulse input on
the outdoor unit PCB.
Turn off the power and
reconnect the connector.
Remove them.
Replace the outdoor fan
motor.
Replace the outdoor unit
PCB.
Replace the outdoor fan
motor.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Fan motor connector
disconnected?
Foreign matters in or
around the fan?
Fan rotates
smoothly?
Pulse signal generated?

Daikin FTXN24KVJU Specifications

General

Brand	Daikin
Model	FTXN24KVJU
Category	Air Conditioner
Language	English