P4 inverter compressor drive error.
Mini split inverter compressor drive error.
Inverter compressor drive error.
F5 outdoor fan speed has been out of control.
Outdoor fan speed has been out of control.
P1 over voltage or over low voltage protection.
Requires a trained tech.
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.
Over voltage or too low voltage protection.
F4 outdoor unit eeprom parameter error.
Ipm malfunction or igbt over strong current protection.
Ac pro mini split troubleshooting p0 p4 error code.
P3 outdoor ambient temperature too low.
P2 high temperature protection of ipm module or compressor top.