L9 Inverter Startup Error - Daikin R71FUV1 Service Manual

Troubleshooting by Remote Controller
L9
3.71
Remote Controller Display
L9
Applicable Models
CMSQ, RZQ-C7
Method of Error Detection
This error code will be output if overcurrent occurs at the
time of startup.
Error Decision Conditions
When the startup control is failed
When an overcurrent is passed to the inverter due to the
error of a compressor or electrical system
Supposed Causes
Defective compressor
The stop valve is not opened
Pressure differential start
Defective compressor connection
Defective inverter PCB
Inverter Startup Error
Si20-701_B
311