Inverter Pcb Abnormality - Daikin VRV EMERION RXYQ-AATJA Service Manual

SiUS342303E

3.49 Inverter PCB Abnormality

Applicable
All outdoor unit models
Models
L1
Error Code
Method of Error  Detect current value during the output of waveform before compressor startup
Detection  Detect current value with the current sensor during synchronous operation for startup
Error Decision  When the overcurrent flows during the output of waveform
Conditions  When the current sensor error during synchronous operation
 When IPM error occurs
Supposed
 Inverter PCB
Causes
Part 6 Service Diagnosis
 IPM failure
 Current sensor failure
 Drive circuit failure
Troubleshooting by Error Code
322