| E1 |
Remote control communication error |
| E2 |
Duplicate indoor unit address |
| E3 |
Outdoor unit signal line error |
| E5 |
Communication error during operation |
| E6 |
Internal heat exchanger temperature thermistor abnormality (Thi-R) |
| E7 |
Internal return air temperature thermistor abnormality (Thi-A) |
| E9 |
Unloading problem |
| E10 |
Excessive number of indoor units with remote control |
| E12 |
Address setting error with mixed setting method |
| E16 |
Internal fan motor abnormality (FDT series) |
| E16 |
Internal fan motor abnormality (FDK series) |
| E19 |
Indoor unit operation control unload motor control mode abnormality |
| E28 |
Remote control temperature thermistor abnormality (ThC) |
| E30 |
Incompatible connection of indoor and outdoor unit |
| E31 |
Replicated outdoor unit address no. |
| E32 |
Open L3 phase in the primary side power supply |
| E36 |
Drain pipe temperature error (Tho-D1, D2) |
| E36 |
Liquid overflow abnormality |
| E37 |
Abnormalities of external heat exchanger temperature thermistor (Tho-R) and sub-cooling coil temperature thermistor (Tho-SC, -H) |
| E38 |
Outdoor temperature thermistor abnormality (Tho-A) |
| E39 |
Drain pipe temperature thermistor abnormality (Tho-D1, D2) |
| E40 |
High pressure abnormality (63H1-1, 2 active) |
| E41 (E51) |
Power transistor overheating |
| E42 |
Power failure (CM1, 2) |
| E43 |
Over-connected indoor units, over-total capacity connection |
| E45 |
Communication error between inverter PCB and external control PCB |
| E46 |
Mixed address setting methods available on the same network |
| E48 |
External DC fan motor abnormality |
| E49 |
Low pressure abnormality |
| E53/E55 |
Suction pipe temperature thermistor abnormality (Tho-S), Under-dome temperature thermistor abnormality (Tho-C1, C2) |
| E54 |
High pressure sensor (TSH) Low pressure sensor (PSL) abnormality |
| E56 |
Power transistor temperature thermistor abnormality (Tho-P1, Tho-P2) |
| E58 |
Abnormal compressor with loss of synchronization |
| E59 |
Compressor start failure (CM1, 2) |
| E60 |
Rotor position detection failure (CM1, 2) |
| E61 |
Communication error between main unit and backup units System error |
| E63 |
Emergency stop |
