| STT |
Error name |
LCD error code |
LED |
How to fix |
| first |
– Faulty indoor unit board |
EE |
– Pause 3s, blink 15 times (LED heating) |
– Replace the indoor unit mainboard |
| 2 |
– Protection against freezing |
E2 |
– Stop 3s, blink 2 times (LED running) |
– The outdoor unit temperature is too low |
| 3 |
– System overload |
H4 |
– Pause 3s, flash 4 times (LED heating) |
– The system is unstable, check the evaporator, the cooling unit to see if it is dirty or clogged |
| 4 |
– Board does not receive signal from indoor unit motor |
H6 |
– Stop 3s, blink 11 times (LED running) |
– Check the connection between the mainboard motor |
| 5 |
– Error of indoor unit pipe temperature sensor |
F2 |
– Stop for 3s, blink 2 times (LED cooling) |
– Check the connection again, use a multimeter to measure the resistance value (of the sensor). |
| 6 |
– Indoor unit temperature sensor error |
F1 |
– Stop 3s, blink 1 time (LED cooling) |
– Check the connection again, use a multimeter to measure the resistance of the sensor |
| 7 |
– Abnormal signal transmission |
UF |
– Stop for 3s, flash 7 times at the same time (LED cooling and heating) |
– The way to fix the Gree UF air conditioner error code is to replace the indoor unit mainboard |
| 8 |
– Compressor overload |
H3 |
– Pause 3s, flash 3 times (LED heating) |
– Check whether the connection wire is overloaded. |
| 9 |
– Unable to start |
LC |
– LED (heating) stops 3s, blinks 11 times |
– Check compressor resistance, normal ground resistance or not. If normal, check the outdoor unit board. |
| ten |
– Board does not receive signal from outdoor DC motor |
UH |
– (LED cooling and heating) flashes 8 times at the same time |
– Check the connection between the DC motor and the outdoor unit board |
| 11 |
– Overcurrent protection |
E5 |
– Stop 3s, blink 5 times (LED running) |
– Check if the power supply is stable or not. |
| twelfth |
– 4-way valve not working properly |
U7 |
– Pause 5s, flash 20 times (LED heating) |
– With this Gree U7 air conditioner error code, you need to replace the 4-way valve |
| 13 |
– Compressor phase error is skewed |
U1 |
– Pause 3s, blink 13 times (LED heating) |
– Replace outdoor unit board |
| 14 |
– Lost watch |
H7 |
– Pause 3s, flash 7 times (LED heating) |
– Check the compressor resistance, the grounding resistance is unstable. If normal, check the outdoor unit board. |
| 15 |
– Current fault in unstable system |
U5 |
– Stop 3s, blink 13 times (LED cooling) |
– Replace outdoor unit board |
| 16 |
– Error of outdoor unit temperature sensor |
F3 |
– Stop for 3s, blink 3 times (LED cooling) |
– Check connection, use multimeter to measure sensor resistance |
| 17 |
– Compressor path high temperature sensor protection |
E4 |
– Stop 3s, flash 4 times (LED running) |
– Check connection, use multimeter to measure sensor resistance |
| 18 |
– Heat sensor of outdoor unit path due to congestion or short circuit |
F5 |
– Stop 3s, flash 18 times (LED cooling) |
– Check connection, use multimeter to measure sensor resistance |
| 19 |
– Condenser temperature sensor due to blockage or short circuit |
F4 |
– Pause 3s, flash 19 times (LED heating) |
– Check connection, use multimeter to measure sensor resistance |
| 20 |
– The mainboard heatsink of the outdoor unit is too hot |
P8 |
– Pause 3s, flash 19 times (LED heating) |
– This Gree air conditioner error code you need to check the connection, use a multimeter to measure the sensor resistance |
| 21 |
– DC current is too high |
UU |
– (LED cooling and heating) flashes 11 times at the same time |
– Check AC and DC power adapter |
| 22 |
– Heat sensor error of the heatsink |
P7 |
– Pause 3s, flash 18 times (LED heating) |
– Replace the outdoor unit board |
| 23 |
– The system is leaking gas |
FO |
– Stop 3s, flash 10 times (LED cooling) |
– Check the pipe system, fix the leak |
| 24 |
– DC power is too high |
FIT |
– Stop 3s, blink 11 times (LED cooling) |
– Unstable AC power supply |
| 25 |
– DC power is too high |
PL |
– Pause 3s, flash 21 times (LED heating) |
– Unstable AC power supply |
| 26 |
– Signal error |
E6 |
– Pause 3s, blink 6 times |
– Check the signal wire connecting the outdoor / indoor unit
– Check the mainboard of the hot/cold unit.
|
| 27 |
– Installation error, abnormal outdoor and cold units |
United States |
– (LED cooling and heating) flashes 12 times at the same time |
– The outdoor unit is not suitable for the indoor unit. |
