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.
Mini split inverter compressor drive error.
P2 high temperature protection of ipm module or compressor top.
P0 ipm malfunction or igbt over strong current protection.
P4 inverter compressor drive error.
Inverter compressor drive error.
Requires a trained tech.
Over voltage or too low voltage protection.
F4 outdoor unit eeprom parameter error.
P4 is an inverter compressor drive error.
F5 outdoor fan speed has been out of control.
P3 outdoor ambient temperature too low.
P1 over voltage or over low voltage protection.
Outdoor fan speed has been out of control.
Ipm malfunction or igbt over strong current protection.