Daikin 2AMX40G3V1B User Manual

SiBE121123_A Troubleshooting for RA Indoor Unit
Service Diagnosis 164
5.3.2 AC Motor (Floor / Ceiling Suspended Dual Type, Duct Connected Type)
Error Code
A6
Method of Error
Detection
The rotation speed detected by the Hall IC during fan motor operation is used to determine
abnormal fan motor operation.
Error Decision
Conditions
The detected rotation speed does not reach the demanded rotation speed of the target tap, and
is less than 50% of the maximum fan motor rotation speed.
Supposed
Causes

Layer short inside the fan motor winding

Breaking of wire inside the fan motor

Breaking of the fan motor lead wires

Defective capacitor of the fan motor

Defective indoor unit PCB
Troubleshooting
Check No.04
Refer to P.208
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
(R18358)
Caution
Replace the fan motor or the
indoor unit PCB.
Replace the fan motor.
Replace the indoor unit PCB.
Replace the capacitor.
(Replace the indoor unit PCB.)
Replace the fan motor.
Replace the fan motor.
Replace the indoor unit PCB.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Check No. 04
Check Hall IC
Is there an output?
Check the fan motor voltage.
Voltage as rated?
Start operation.
Does the fan rotate?
Turn off the power supply and
rotate the fan by hand.
Does the fan rotate
smoothly?
Turn the power on and check the
fan motor voltage. (immediately
after restart)
Voltage as rated?
Check the capacitor's continuity.
Is there continuity?

Daikin 2AMX40G3V1B Specifications

General

Brand	Daikin
Model	2AMX40G3V1B
Category	Air Conditioner
Language	English