Gree Mini Split Error Codes

35 codes · manual-verified where marked · draft entries clearly flagged

E-codes

Gree E1 error code
E1 means refrigerant pressure rose higher than the controls allow. The most homeowner-relevant cause is poor o…
Gree E2 error code draft
E2 means the unit is protecting the indoor coil from freezing during cooling. The GREE service table identifie…
Gree E3 error code draft
E3 means the system detected low-pressure protection. Stop use Technician Breadth evidence 12 published catalo…
Gree E4 error code
E4 returns after filters and outdoor clearance are corrected. Tell them the code is compressor high discharge …
Gree E5 error code draft
E5 means the system pulled more current than allowed or the drive saw a high-load condition. The homeowner-saf…
Gree E6 error code draft
E6 returns after one reset, appears on a new installation, or more than one indoor head is affected. Tell them…
Gree E7 error code draft
E7 usually means indoor heads on the same outdoor unit are asking for incompatible modes, such as one room cal…
Gree E8 error code draft
E8 clears; if it returns, stop there. Sourced homeowner part Indoor washable filter assembly View sourced part…
Gree E9 error code draft
E9 means the indoor fan is being delayed or limited so the unit does not blow cold air during heating. On thes…

Gree F0 error code draft
F0 on an R32 system. Technician boundary Stop here: refrigerant or sealed-system, compressor, and electrical o…
Gree F1 error code draft
F1 returns. Tell them the GREE manual identifies the indoor room-air temperature sensor sensor circuit. Techni…
Gree F2 error code draft
F2 returns. Tell them the GREE manual identifies the indoor evaporator temperature sensor sensor circuit. Tech…
Gree F3 error code draft
F3 returns. Tell them the GREE manual identifies the outdoor ambient temperature sensor sensor circuit. Techni…
Gree F4 error code draft
F4 returns. Tell them the GREE manual identifies the outdoor condenser temperature sensor sensor circuit. Tech…
Gree F5 error code draft
F5 returns. Tell them the GREE manual identifies the compressor discharge temperature sensor sensor circuit. T…

Gree H1 error code draft
H1 means the heat pump is in defrost or oil-return operation during heating. The outdoor unit may steam, the i…
Gree H3 error code draft
H3 returns after filters and outdoor clearance are corrected. Tell them the code is compressor overload protec…
Gree H4 error code draft
H4 is a broad system-abnormal protection code. The manuals group it with overload, high tube temperature, high…
Gree H5 error code draft
H5 returns or the outdoor unit will not start. Tell them the code is IPM protection. Technician boundary Stop …
Gree H6 error code draft
H6 returns. Tell them the code is no indoor fan motor feedback. Technician boundary Stop here: electrical or i…
Gree H7 error code draft
H7 returns or the outdoor unit repeatedly tries and fails to start. Tell them the code is compressor desynchro…

Gree L1 error code draft
L1 returns. Tell them the GREE manual identifies the humidity sensor sensor circuit. Technician boundary Stop …
Gree L3 error code draft
L3 returns. Tell them the code is outdoor fan 1. Technician boundary Stop here: electrical or inverter work is…
Gree L9 error code draft
L9 means the unit is limiting or stopping because operating load is too high. Airflow and outdoor clearance ar…

Gree P5 error code draft
P5 returns, the breaker trips, or the outdoor unit will not start. Tell them the code points to compressor ove…
Gree P6 error code draft
P6 returns after one reset. Tell them the code is communication between the drive board and main board. Techni…
Gree P7 error code draft
P7 returns. Tell them the GREE manual identifies the module temperature sensor sensor circuit. Technician boun…
Gree P8 error code draft
P8 means the outdoor inverter module temperature is too high. Poor outdoor airflow can contribute, but the mod…

Gree U1 error code draft
U1 returns, the breaker trips, or the outdoor unit will not start. Tell them the code points to phase-current …
Gree U2 error code draft
U2 returns, the breaker trips, or the outdoor unit will not start. Tell them the code points to compressor pha…
Gree U3 error code draft
U3 returns, the breaker trips, or the outdoor unit will not start. Tell them the code points to DC bus voltage…
Gree U5 error code draft
U5 to current detection and possible low refrigerant. Technician boundary Stop here: refrigerant or sealed-sys…
Gree U7 error code draft
U7 returns or the unit cannot switch between heating and cooling. Tell them the code is 4-way valve abnormal. …
Gree U8 error code draft
U8 returns, the breaker trips, or the outdoor unit will not start. Tell them the code points to an indoor-unit…
Gree U9 error code draft
U9 returns, the breaker trips, or the outdoor unit will not start. Tell them the code points to an outdoor-uni…