Gree GMV-335WL/C1-X

DC Inverter Multi VRF System
27
Problems
Causes
What to do
Unit runs but stops
immediately.
Air inlet or air outlet of indoor and outdoor units is
blocked.
Clear obstructions.
Abnormal cooling or
heating.
Air inlet or air outlet of indoor and outdoor units is
blocked.
Clear obstructions.
Improper temp setting.
Adjust setting at remote
controller or wired controller.
Fan speed is set too low.
Adjust setting at remote
controller or wired controller.
Wind direction is not correct.
Adjust setting at remote
controller or wired controller.
Door or window is open.
Close the door or window.
Direct sunshine.
Draw curtain or louver.
Too many people in the room.
—
Too many heat resources in the room.
Reduce heat resources.
Filter is blocked and dirty.
Clean the filter.
NOTE:
If problem cannot be solved after checking the above items, please contact Gree service center
and describe the cases and models.
● Following circumstances are not malfunctions.
Phenomenon Causes
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
When the power supply is
connected, there is small “dada”
sound.
It is the sound of startup action of electronic
expansion valve.
When the system is conducting
cooling or defrosting, there is
continuous “sa
——
” sound.
This is the sound of refrigerant flowing inside the
unit.
When the system is switching
cooling and heating modes; during
heating operation, the unit enters or
quits defrosting operation or oil
return operation, there is “chi
——
”
sound.
This is the sound for direction reversal of 4-way
valve.
When the system is started or
stopped for a short time, you can
hear the sound of “sa
——
”; you can
also hear this sound for a short time
after the start or stop of the
defrosting operation.
This is the sound produced when the refrigerant
stops or changes the flow.
When the system is in cooling
operation or after it stops running, a
continuous “sa
——
” sound can be
heard
This is the operation sound of drain system.
When the system is running or after
it stops running, a “creaking” sound
can be heard.
This is the sound produced when plastic parts such
as panel expansion and contraction due to
temperature changes.
When the system is in heating
operation, after the indoor unit stops
running, the sound like running water
can be heard.
The unit is melting the frost on the outdoor unit,
please wait about 10 minutes (due to different unit
models, the waiting time will vary).