Inverter Circuit Abnormality - Daikin VRV S RXQ4/5ARV1 Service Manual

SiAF332111E

5.41 Inverter Circuit Abnormality

Applicable All outdoor unit models
Models
L1
Error Code
Method of Error Error is detected based on the current value during waveform output before starting
Detection compressor.
Error is detected based on the value from current sensor during synchronous operation when
starting the unit.
Error Decision
 Overcurrent flows during waveform output.
Conditions  Error of current sensor during synchronous operation.
 IPM failure.
Supposed
 IPM failure
Causes  Current sensor failure
 Drive circuit failure
Part 6 Service Diagnosis
Troubleshooting by Error Code
265