| B5 |
Liquid Valve Temperature Sensor Open/Short circuited (Indoor Unit) |
| B7 |
Gas Valve Temperature Sensor Open/Short circuited (Indoor Unit) |
| DN |
Communication Line Disconnected/Expansion Valve Malfunction |
| E1 |
High Pressure Prevention System |
| E2 |
Anti-freezing Prevention System |
| E3 |
Low Pressure Prevention System |
| E4 |
Discharge High Temperature Prevention System |
| E5 |
Overcurrent Prevention System; Frequency Decreased |
| E6 |
Indoor and Outdoor Unit Communication Error |
| E7 |
Running Mode Issue |
| E8 |
Overload Prevention System; Frequency Decreased |
| E9 |
Water Overflow Error (Indoor Unit) |
| EN |
Intelligent Power Module (IPM) Current Prevention System |
| EU |
Intelligent Power Module (IPM) Temperature Prevention System |
| F1 |
Room Air Temperature Sensor Open/Short circuited |
| F2 |
Evaporator Temperature Sensor Open/Short circuited |
| F3 |
Ambient Temperature Sensor Open/Short circuited (Outdoor Unit) |
| F4 |
Condenser Temperature Sensor Open/Short circuited (Outdoor Unit) |
| F5 |
Discharge Temperature Sensor Open/Short circuited |
| F6 |
Overload Protection; Frequency Restricted |
| F8 |
Current Protection; Frequency Restricted |
| FO |
System Charge Shortage/Blockage Prevention/Pump Down |
| F9 |
High Discharge Temperature; Frequency Restricted |
| FH |
Anti-freezing; Frequency Restricted |
| H1 |
Defrosting |
| H3 |
Compressor Overheating Preventive |
| H7 |
Compressor Desynchronizing |
| H5 |
Intelligent Power Module (IPM) Current Protection |
| H6 |
Stalled Motor |
| HE |
Compressor Demagnetization Protection |
| HC |
Power Factor Correction (PFC) |
| L3 |
Outdoor Fan1 Error |
| L9 |
Overpower Protection |
| LA |
Outdoor Fan2 Error |
| LC |
Compressor Startup Failure |
| LD |
Compressor Phase Loss/Reversal |
| LE |
Stalling Compressor |
| LF |
Speeding |
| LP |
Indoor and Outdoor Units Unmatched |
| P6 |
Drive Board Communication Error Codes |
| P9 |
Alternate Current (AC) Contactor Error Code |
| PD |
Sensor Connection Error Code |
| PE |
Temperature Drift Error Code |
| PF |
Drive Board Temperature Sensor Error Code |
| PU |
Capacitor Charging Error Code |
| P5 |
Over Phase Current |
| P7 |
Intelligent Power Module (IPM) Temperature Tensor Open/Short Circuited |
| P8 |
Intelligent Power Module (IPM) Temperature Protection |
| PH |
Direct Current (DC) Bus Over-Voltage |
| PL |
Direct Current (DC) Bus Under-Voltage |
| PP |
Alternate Current (AC) Input Voltage Error Code |
| U1 |
Compressor Phase Current Circuit Error Code |
| U3 |
Sensor Connection Error Code |
| U5 |
Current Circuit Error Code |
| U7 |
4-Way Valve Reversing Error Code |
| U8 |
PG Motor Zero-Crossing Protection |
