F4 outdoor unit eeprom parameter error.
Mini split inverter compressor drive error.
Outdoor fan speed has been out of control.
P4 is an inverter compressor drive error.
Ac pro mini split troubleshooting p0 p4 error code.
Requires a trained tech.
P2 high temperature protection of ipm module or compressor top.
Over voltage or too low voltage protection.
Compressor discharge temperature sensor open circuit or short circuit.
P1 over voltage or over low voltage protection.
Loose wire on the printed circuit board that drives the compressor bad printed circuit board or a bad compressor.
My pioneer 12000 btu mini split is showing p4 i pulled the cover of the control panel looking led i can t see any where are they located.
P0 ipm malfunction or igbt over strong current protection.
P4 inverter compressor drive error.
F5 outdoor fan speed has been out of control.