L9 Outdoor Unit: Inverter Compressor Starting Failure - Daikin RXYQ96PYDN Service Manual

Troubleshooting by Indication on the Remote Controller
L9
3.39 Outdoor Unit: Inverter Compressor Starting Failure
L9
Remote
Controller
Display
Applicable
RXYQ72P~240PYDN, PTJU
Models REYQ72P~240PYDN, PTJU
Method of
Detect the failure based on the signal waveform of the compressor.
Malfunction
Detection
Malfunction Starting the compressor does not complete.
Decision
Conditions
Supposed
Causes
400
Failure to open the stop valve
Defective compressor
Wiring connection error to the compressor
Large pressure difference before starting the compressor
Defective inverter PC board
SiUS34-801A_b
Troubleshooting