Compressor Startup Abnormality - Daikin VRV X RXQ6-48ANR Series Service Manual

Troubleshooting by Error Code

5.43 Compressor Startup Abnormality

Applicable All outdoor unit models
Models
L9
Error Code
Method of Error Detect error according to the signal waveform of compressor.
Detection
Error Decision
When compressor startup operation has not been completed.
Conditions
Supposed
 The stop valve is not opened
Causes  Defective compressor
 Error in wire connections to compressor
 Large differential pressure before compressor startup
 Defective inverter PCB
224
SiME341909EA
Part 6 Service Diagnosis