Daikin MicroTech III DPS - Troubleshooting: Error Code L9; L9 - Inverter Compressor Starting Failure

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