TGM Air Conditioner Error Code

EOEEPROM parameter error
E1Indoor / outdoor units communication protection
E2Zero-crossing signal error
E3Fan speed out of control
E5Open or short circuit of outdoor ambient or condenser temperature sensor
E6Open or short circuit of indoor room or evaporator temperature sensor
POInverter module (IGBT) over-strong current protection
P1Overvoltage or too low voltage protection
P2Temperature protection of compressor top.
P4Inverter compressor drive error