Error Indication - Gree GMV-H224WL/A-X Manuel D'utilisateur

DC Inverter Multi VRF System
（2） Following circumstances are not malfunctions.
Unit doesn't run.
Mist comes from
the unit.
Noise is emitted.
Unit blows out
dust.
Unit emits odor.

7 Error Indication

Inquiry method of error indication: combine division symbol and content symbol to check the
corresponding error.
For example, division symbol L and content symbol 4 together means over-current protection.
Error Code
Indoor
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Malfunction
Unit starts up immediately after it is
turned off.
Power is just turned on.
Under cooling
Slight cracking sound is heard when unit
is just turned on.
There is consecutive sound
cooling.
There is sound when unit starts or stops.
There is slight and consecutive sound
when unit is running or after running.
Cracking sound is heard when unit is
running or after running.
Unit starts up after not operating for a
long time.
Under operation
Content
L0 Malfunction of IDU (uniform)
L2 Auxiliary heating protection
L4 Over-current protection
L6 Mode shock
L8 Power supply is insufficient
1-to-more: IDU series is
LA
inconsistent
Models for IDU and ODU are
LC
not matched
d1 Indoor PCB is poor
Malfunction of entry-tube
d4
temperature sensor
Malfunction of exit-tube
d6
temperature sensor
d9 Malfunction of jumper cap
PCB of wired controller is
dH
abnormal
Malfunction of air-outlet
dL temperature sensor(Fresh air
unit)
FP Malfunction of DC motor
High pressure ratio protection
J8
of system
Protection due to abnormal
JA
pressure
Overload protection switch makes it run after a
3-min delay.
Standby operation lasts for about 1min.
Indoor air with high humidity is cooled rapidly.
It is the noise when electronic expansion valve is
initialized.
when It is the sound for gas refrigerant flowing in the
unit.
It is the sound when gas refrigerant stops
flowing.
This is the sound of drainage operation.
This is the sound caused by the expansion of
panel and other parts of the unit due to
temperature change.
Dust in indoor unit is blown out.
Unit absorbs the room odor and then blows it
out.
Error Code
L1 Protection of indoor fan
L3 Water-full protection
L5 Freeze prevention protection
L7 No main IDU
1-to-more: number of IDU is
L9
inconsistent
Alarm due to bad air quality
LH
(Fresh air unit)
Drop protection of discharge
EC temperature sensor of
compressor 1
Malfunction of ambient
d3
temperature sensor
Malfunction of middle temperature
d5
sensor
d7 Malfunction of humidity sensor
dA Web address of IDU is abnormal
Abnormal setting for capacity
dC
button
Malfunction of indoor CO
dE
(fresh air unit)
Gas-mixing protection of 4-way
J7
valve
Low pressure ratio protection of
J9
system
JL High-pressure protection
31
Reason
Content
sensor
2