Air Conditioner Error Codes

  Contents:  1. Split AC, 2. Multi AC, 3. Cassette AC Error Codes; Panasonic Air Conditioner Error Codes Panasonic Inverter Split AC Error Codes Error Codes Cause S01 Room temperature sensor failure S02 Indoor coil sensor failure S03 Humidity sensor failure S04 Comp. temperature sensor failure S05 Outdoor coil sensor failure S06 Outdoor air sensor failure S07 Outdoor current sensor failure E01 Indoor/outdoor communication failure E02 HIC circuit failure (Compressor/Fan circuit) E03 Outdoor unit OTP rom failure E04 Peak current cut off E05 PAM or Active circuit failure E06 High compressor discharge temperature E07 Indoor fan operating failure E08 Way valve switching failure (RV) E09 No refrigerant protection E10 DC compressor drive circuit failure E11 Outdoor fan operating failure E12 Error in outdoor unit E13 Freeze prevention activated Note:  “0″ – Frequency measured and fan speed fixed. The memory data of error code is erased when the power supply is cut off, or press t...

  Indoor unit is detecting error signal from remote controller (and system controller). Panasonic Mini VRF AC Error Codes and Troubleshooting Error Codes Meaning E01 Error in receiving serial communication signal. E02 Error in transmitting serial communication signal. E03 Indoor unit is detecting error signal from remote controller. E04 Error in receiving serial communication signal. When turning on the power supply, the number of connected indoor units does not correspond to the number set. E06 Error of the outdoor unit in receiving serial communication signal from the indoor unit. E08 Indoor unit address setting is duplicated. E09 Remote controller address connector. E12 Starting auto address setting is prohibited. This alarm message shows that the auto address connector CN-A.ADD is shorted while other RC line is executing auto address operation. E15 Error in auto address setting. E16 Error in auto address setting. E20 No indoor unit is connected during auto address setting. E24 ...