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 |