Daikin FTXR-T Series Service Manual

SiUS041829E Troubleshooting
Part 6 Service Diagnosis 71
4.2 Indoor Unit PCB Abnormality
Error Code A1
Method of Error
Detection
The system checks if the circuit works properly within the microcomputer of the indoor unit.
Error Decision
Conditions
The system cannot set the internal settings.
Supposed
Causes
 Wrong models interconnected
 Defective indoor unit PCB
 Disconnection of connector
 Reduction of power supply voltage

Daikin FTXR-T Series Specifications

General

Brand	Daikin
Model	FTXR-T Series
Category	Heat Pump
Language	English