Table of Contents
Advertisement
Troubleshooting for RA Indoor Unit
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
Wrong models interconnected
Causes
Defective indoor unit PCB
Disconnection of connector
Reduction of power supply voltage
164
SiUS121827E
Part 6 Service Diagnosis
Advertisement
Table of Contents
Troubleshooting
