Error Indication - Gree GMV-VQ280WM/C-X Owner's Manual

Following circumstances are not malfunction.
"Malfunction"
When unit is started immediately after
Unit doesn't run it is just turned off
When power is turned on
Mist comes from
Under cooling
the unit
Slight cracking sound is heard when
just turned on
There is consecutive sound when
cooling
There is sound when unit starts or
Noise is emitted
stops
There is slight and consecutive sound
when unit is running or after running
Cracking sound is heard when unit is
operating and after operating
The unit blows When unit runs after no operation for a
out duct long period
The unit emits
Operating
odor
Indoor unit still
After every indoor unit receive "stop"
runs after switch
signal, fan will keep running
off
When the mainboard of mode
Mainboard of
exchange box has not connected to
mode exchange
communication wire of indoor unit, it
box displays CE
will display CE error code.

7.2 Error Indication

NOTE!
For specific unit fault and maintenance, please refer to the engineering debugging and
after-sales maintenance manual of DC inverter VRF unit.
Error
Type
Code
L0 Malfunction of IDU
L2 Auxiliary heating protection
Abnormal power supply for wired
L4
controller
L6 Mode conflict
L8 Power supply is insufficient
Indoor
For single control over multiple units,
LA IDU series is inconsistent (HBS
network)
LC IDU is not matching with outdoor unit
Rotation speed of EC DC water pump
LE
is abnormal
Overload protection switch makes it run after 3 minutes
delay
Standby operating for about 1 minute
Indoor high humidity air is cooled rapidly
It is noise when electronic expansion valve initialization
That's sound for gas refrigerant flowing in unit
That's sound for gas refrigerant stops to flow
That's sound for operation of drainage system
That's sound caused by expansion of panel and other parts
due to temperature change
Dust in indoor unit is blew out
The room odor absorbed by the unit is blew out again
Indoor fan motor will keep running 20-70s so as to take
good use of excess cooling and heating and prepare for
next operation
Mainboard of mode exchange box may not connect to
communication wire of indoor unit, mainboard that
disconnects to indoor unit will have CE error code, this is a
code for normal status, which will not impact the operation
of unit.
Content
70
GMV Heat Recovery DC Inverter VRF
Reason
Error
Code
L1 Protection of indoor fan
L3 Water-full protection
L5 Freeze prevention protection
L7 No main IDU
For single control over multiple units, number
L9
of IDU is inconsistent (HBS network)
LH Alarm due to bad air quality
LL Malfunction of water flow switch
LF Malfunction of shunt valve setting
Content