Models: KSIM20912-H216, KSIM30912-H216, KSIM40912-H216 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