Base de connaissances
Codes erreur Gree
U-Match • Free Match
Liste complète des codes erreur Gree pour climatiseurs, splits et thermopompes : défauts, alarmes et pannes les plus courantes sur le terrain. Le code E1 (haute pression), l'E6 (communication UI/UE), le F0 (fuite gaz) et le H6 (ventilateur bloqué) figurent parmi les diagnostics les plus recherchés. Le H1 reste un cycle de dégivrage normal, pas une panne. Chaque fiche propose causes, symptômes visibles et procédures pas à pas sourcées AskMarcel pour frigoristes et installateurs.
E1 • Split / GMV
Fault Code E1 Gree: High Pressure — Causes and Repair
Fault code E1 is a hardware safety: the gas pressure in the condenser is too high. The system shuts down to prevent explosion or mechanical damage. On a Gree heat pump or air conditioning unit, this fault is common in summer.
E6 • All Split ranges
Gree fault code E6: communication — test procedure
Fault code E6 indicates that the indoor unit is no longer receiving a response from the outdoor unit. This is a wiring or power supply issue to the outdoor unit, common on Gree splits and air conditioning units.
H6 • Wall-mounted / Console
Fault Code H6 Gree: Anti-freeze / Defrost — Procedure
Fault code H6 indicates that the electronic control board does not detect rotation of the indoor fan (no Hall sensor feedback).
F0 • Lomo / Fairy / Bora
Gree Fault Code F0: Refrigerant Shortage — Causes
Fault code F0 is specific to Gree. It is a protection: the system detects that heat exchange is not occurring correctly (often due to a lack of gas or a blocked capillary) and shuts down to prevent compressor damage. The air conditioning then blows warm air.
C5 • Split / U-Match
Fault Code C5 Gree: Missing Jumper Cap
Code C5 is a pure configuration error. On the PCB, a small jumper cap (plastic plug with a wire) defines the unit size. If it is missing, the air conditioning will not start.
P0 • Inverter
Fault Code P0 Gree: IPM Module Protection (Inverter)
Code P0 relates to the outdoor electronic board (power section). The module that drives the compressor (IPM) is overheating or detecting an electrical anomaly.
H1 • All ranges
Gree Fault Code H1: Not an Error (Defrost Cycle)
Fault code H1 is often mistaken for a breakdown by users. It simply means the unit is defrosting the outdoor unit (Heating Defrost).
E4 • livo gen4 service manual 9mbh 24mbh a
Gree E4 fault code: causes, diagnosis and solution
The E4 fault code indicates discharge gas overheat protection when the temperature exceeds 115°C. The system stops automatically to prevent compressor damage.
H3 • livo gen4 service manual 9mbh 24mbh a
Gree fault code H3: causes, diagnosis and solution
Fault code H3 indicates compressor overload protection. It triggers when the OVC-COMP interface on the main PCB is open for more than 3 seconds, or when overheating is detected by the protection switch.
H7 • livo gen4 service manual 9mbh 24mbh a
Gree fault code H7: causes, diagnosis and solution
Fault code H7 indicates compressor out-of-step protection, triggered when the rotor position cannot be detected or the actual speed differs too much from the set speed. This fault stops the compressor during operation to protect the system.
H5 • sapphire service manual 18mbh and 24mbh models a
Gree H5 Fault Code: Causes, Diagnosis and Solution
The H5 fault code indicates IPM module protection (Current Protection) on the compressor control board. This fault is triggered when the F0 pin of the IPM module remains at a low level, causing the system to stop to prevent damage.
P5 • sapphire service manual 18mbh and 24mbh models a
Gree fault code P5: causes, diagnosis and solution
Fault code P5 indicates compressor phase overcurrent protection. The system detects an instantaneous current value above the set protection threshold, causing the system to stop to prevent damage.
E8 • sapphire service manual 18mbh and 24mbh models a
Gree E8 fault code: causes, diagnosis and solution
The E8 fault code indicates overheating protection triggered when temperature sensors detect values exceeding the permitted threshold. This protection activates on start-up or in the event of an airflow fault.
U1 • sapphire service manual 18mbh and 24mbh models a
Gree fault code U1: causes, diagnosis and solution
Fault code U1 indicates a failure of the phase current detection circuit for the compressor. This fault, classified as a hardware failure, causes the compressor to stop to protect the system.
F6 • sapphire service manual 18mbh and 24mbh models a
Gree Fault Code F6: Causes, Diagnosis and Solution
Fault code F6 indicates a pipe temperature sensor anomaly on the outdoor unit (ODU) detection circuit, causing compressor frequency limitation or reduction. The system detects an AD value out of range for 5 consecutive seconds.
P1 • sapphire service manual 18mbh and 24mbh models a
Gree fault code P1: causes, diagnosis and solution
Fault code P1 on Gree Sapphire 18MBH and 24MBH models indicates a compressor nominal frequency anomaly during the test state. This fault occurs specifically during nominal cooling or heating cycles.
P2 • sapphire service manual 18mbh and 24mbh models a
Gree fault code P2: causes, diagnosis and solution
Fault code P2 (No.25) indicates a compressor maximum frequency issue detected during a test state. This fault appears exclusively during maximum cooling or heating tests.
P3 • sapphire service manual 18mbh and 24mbh models a
Gree fault code P3: causes, diagnosis and solution
Fault code P3 (No. 26) indicates an intermediate frequency anomaly of the compressor detected during the test state. This message is displayed specifically when the system is in intermediate cooling or heating mode.
FH • sapphire service manual 18mbh and 24mbh models a
Gree FH fault code: causes, diagnosis and solution
The FH fault code indicates a limitation or reduction in compressor frequency due to anti-freeze protection. Although all loads operate normally, this protection activates to prevent system freezing.
LC • sapphire service manual 18mbh and 24mbh models a
Gree Fault Code LC: Causes, Diagnosis and Solution
Fault code LC indicates a start failure of the AC (inverter) compressor. This fault manifests as a compressor lock in cooling or dry mode, or a complete unit shutdown in heating mode.
E2 • gmv6 ultra heat mini heat pump 208 230v service manual — gmv
Gree fault code E2: causes, diagnosis and solution
Fault code E2 on Gree air conditioning units indicates anti-freeze protection activated when the evaporator pipe temperature drops below the safety threshold. This protection activates during cooling or dry modes to prevent evaporator freezing by stopping the compressor and outdoor fan while keeping the indoor fan running.
EE • All ranges
Fault Code EE Gree: EEPROM Memory Error
Fault code EE (or E-E) means the processor cannot read data from the EEPROM memory (the 'brain' that stores settings).
E5 • All ranges
Gree fault code E5: Overcurrent protection (unstable voltage)
Code E5 is a protection against unstable power supply (voltage spikes) or excessive current draw by the unit.
Marques disponibles : Daikin, Atlantic, Mitsubishi Electric, Panasonic, Viessmann, Vaillant, Saunier Duval, Palazzetti, MCZ, Cadel, Gree, Hitachi, Hoben, Jollymec, Red, Samsung, Toshiba