Gree GMV-400WM/E-X User Manual

GMV DC Inverter VRF
62
Note:
①
When installing remote monitor or central controller, displacement on indoor units’
project codes must be made. Otherwise, there will be collision malfunction of the
project codes. For detail operation methods, please refer to the GMV5E Installation and
Maintenance Manual.
②
If problem can not be solved after checking the above items, please contact Gree
service center and show phenomena and models.
Following circumstance are not malfunction.
“Malfunction”
Reason
Unit doesn’t run
When unit is started immediately after it is just
turned off
Overload protection switch makes it run
after 3 minutes delay
When power is turned on
Standby operating for about 1 minute
Mist comes from
the unit
Under cooling
Indoor high humidity air is cooled rapidly
Noise is emitted
Slight cracking sound is heard when just
turned on
It is noise when electronic expansion valve
initialization
There is consecutive sound when cooling
That's sound for gas refrigerant flowing in
unit
There is sound when unit starts or stops
That's sound for gas refrigerant stops to
flow
There is slight and consecutive sound when
unit is running or after running
That's sound for operation of drainage
system
Cracking sound is heard when unit is operating
and after operating
That’s sound caused by expansion of
panel and other parts due to temperature
change
The unit blows out
duct
When unit runs after no operation for a long
period
Dust in indoor unit is blew out
The unit emits
odor
Operating
The room odor absorbed by the unit is
blew out again
Indoor unit still
runs after switch
off
After every indoor unit receive "stop" signal,
fan will keep running
Indoor fan motor will keep running 20-70s
so as to take good use of excess cooling
and heating and prepare for next operation
Mode conflict
COOL or HEAT mode can not be operated
When the indoor operating mode conflicts
with that of outdoor unit, indoor fault
indicator will flash and conflict will be
shown on the wired controller after 5
minutes. Indoor unit stops to run and
meanwhile change outdoor operating
mode as the same as that of indoor unit,
then the unit will go back to normal. COOL
mode doesn't conflict with DRY mode.
FAN mode doesn't conflict with any mode.

Gree GMV-400WM/E-X Specifications

General

Brand	Gree
Model	GMV-400WM/E-X
Category	Air Conditioner
Language	English