Overview: Error Codes Solution E1 Condenser temperature aensor fault E2 Room temp. sensor fault E3 Coil temp. sensor fault E4 Outdoor unit abnormal E5 No feedback signal of indoor fan E6 No over zero signal E7 Outdoor feedback fault E8 Frost protection/over heat protection F1 Communication fault F2 Ambient temp. sensor fault F3 Coil pipe temp. sensor of indoor unit fault F4 Fan motor of indoor F5 Module of outdoor unit fault F6 Ambient temp. sensor of outdoor fault F7 Coil pipe temp. sensor of outdoor unit fault F8 Suction temp. sensor of compressor fault F9 Discharge temp. sensor of compressor fault FA Inductor of current or voltage fault FC Compressor drive fault FD Phase lacking or phase sequence fault FE Gas return sensor fault FF Other fault P1 Temp. of evaporator protection P2 Overheat, over current protection of inverter module P3 Over current protection P4 Discharge temp. of compressor protection P5 Over heat of compressor top protection P6 Su...