Error Code: L9 - Inverter Compressor Starting Failure - Daikin MicroTech III DPS Installation And Maintenance Manual

ERROR CODE: L9 – Inverter Compressor Starting Failure
L9
Remote
Controller
Display
Method of
Detect the failure based on the signal waveform of the compressor .
Malfunction
Detection
Malfunction
Starting the compressor does not complete .
Decision
Condition
● Defective compressor
● Wiring connection error to the compressor
Supposed
Causes
● Large pressure difference before starting the compressor
● Defective inverter PC board
OM 1263 • MICROTECH UNIT CONTROLLER 90
Troubleshooting
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