Models: KSIM20912-H216, KSIM30912-H216, KSIM40912-H216 Klimaire Air Conditioner Error Codes Error Codes Problem Troubleshooting for indoor unit E0 EEPROM error E1 Communication error between indoor and outdoor unit E2 Zero-crossing examination error E3 Fan speed beyond control E5 Outdoor units temp. sensor or connector of temp. sensor is defective E6 Indoor units temp. sensor or connector of temp. sensor is defective P0 Inverter module protection P1 Outdoor voltage too low protection P2 Compressor discharge temp. protection P3 Outdoor temp. too low protection P4 Compressor driving protection P5 Outdoor temp. too low protection Troubleshooting for outdoor unit E1 No 1 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective E2 No 2 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective E3 No 3 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective E6 No 4 Indoor units pipe temp. sensor or connector of pipe temp. se...