Daikin Super multi NX E Series User Manual

SiBE121135_A Troubleshooting for RA Indoor Unit
Service Diagnosis 170
5. Troubleshooting for RA Indoor Unit
5.1 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 Super multi NX E Series Specifications

General

Brand	Daikin
Model	Super multi NX E Series
Category	Air Conditioner
Language	English