| Error code |
Description |
| EA |
Error detail Mis-wiring of indoor/outdoor unit. exceed the number of indoor unit connection. |
| Eb |
Error detail Mis-wiring of indoor/outdoor unit. (mis-wiring disconnection) |
| EC |
Error detail Start-up time over |
| E6 |
Error detail Indoor/outdoor unit transmission error (signal receiving error). |
| E7 |
Error detail Indoor/outdoor unit transmission error (transmitting error). |
| E8 |
Error detail Indoor/outdoor unit transmission error (signal receiving error). |
| E9 |
Error detail Indoor/outdoor unit transmission error (transmitting error). |
| E0 |
Error detail Remote control transmission error (signal receiving error) |
| E3 |
Error detail Remote control transmission error (transmitting error) |
| E4 |
Error detail Remote control transmission error (signal receiving error) |
| E5 |
Error detail Remote control transmission error (transmitting error) |
| EF |
Error detail M-NET transmission error |
| ED |
Error detail Serial transmission error |
| P1 |
Error detail Abnormality of room temperature thermistor (TH1). |
| P2 |
Error detail Abnormality of pipe temperature themistor/liquid (TH2). |
| P4 |
Error detail Abnomarlity of drain sensor (DS) |
| P5 |
Error detail Malfunction of the drain-up machine. |
| P6 |
Error detail Freezing/overheating protection detect. |
| P8 |
Error detail Abnormality of pipe temperature. |
| P9 |
Error detail Abnormality of pipe temperature thermistor/condenser/evaporator (TH5) |
| F1 |
Error detail Reverse phase detection. |
| F2 |
Error detail L3 open phase detection. |
| F3 |
Error detail 63L connector open |
| F4 |
Error detail 49C connector open |
| F9 |
Error detail Connector 2 or more open. |
| FA |
Error detail L2-phased open phase or 51CM connector open |
| F7 |
Error detail Reverse phase detection circuit (p.c.board) fault. |
| F8 |
Error detail Input circuit fault. |
| U2 |
Error detail Abnormal high discharging temperature. |
| U2 |
Error detail Inner thermostat (49C) operation. |
| U1 |
Error detail Abnormal high pressure (high pressure swicth 63H worked) |
| UE |
Error detail High-pressure error (ball valve closed) |
| UL |
Error detail Abnormal low pressure |
| Ud |
Error detail Overheat protection. |
| U6 |
Error detail Compressor overcurrent (overload) cut off. |
| UA |
Error detail Compressor over current (terminal relay operation). |
| UF |
Error detail Compressor over current (start-up locked) cut off. |
| UF |
Error detail Compressor over current (operating locked) cut off. |
| UH |
Error detail Current sensor error. |
| U3 |
Error detail Discharge thermistor short/open. |
| U4 |
Error detail Outdoor thermistor short/open. |
