Troubleshooting For Ra Indoor Unit; Indoor Unit Pcb Abnormality - Daikin Super multi NX E Series Service Manual

SiBE121135_A

5. Troubleshooting for RA Indoor Unit

5.1

Indoor Unit PCB Abnormality

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

Troubleshooting for RA Indoor Unit

170