P4 is an inverter compressor drive error.
Mini split inverter compressor drive error.
Inverter compressor drive error.
Loose wire on the printed circuit board that drives the compressor bad printed circuit board or a bad compressor.
P2 high temperature protection of ipm module or compressor top.
Ac pro mini split troubleshooting p0 p4 error code.
F5 outdoor fan speed has been out of control.
Ipm malfunction or igbt over strong current protection.
Compressor discharge temperature sensor open circuit or short circuit.
Over voltage or too low voltage protection.
P3 outdoor ambient temperature too low.
F4 outdoor unit eeprom parameter error.
P4 inverter compressor drive error.
Requires a trained tech.
Outdoor fan speed has been out of control.