GM V5 Compact Series VRF Outdoor Unit
28
Note:
If problem cannot be solved after the above check, please contact Gree appointed service center and also give
a description of the error occurred as well as the model of the unit.
6.2 Normal Phenomenon
Conditions
Causes
The unit does not run
When restarting the unit soon after it is
stopped.
The overload protection switch makes the
startup delay for 2 minutes.
As soon as press the “Temperature Set”
button.
The moment the unit is powered on.
The unit will stand by for approximate one
minute.
The unit blows out mist When the cooling operation starts.
The hi-humidity air indoor is cooled
quickly.
The unit generates noise
The unit “buzzes” as soon as it starts
running.
It is the sound generated during the
initialization of the electronic expansion
valve.
The unit “swishes” during the cooling
operation.
It is the sound when the refrigerant gas
runs inside the unit.
The unit “swishes” when it is started or
stopped.
It is the sound when the refrigerant gas
stops running.
The unit “swishes” when it is in and after
the running.
It is the sound when the draining system is
operating.
The unit “squeaks” when it is in and after
the running.
It is the sound of frication generated by the
skin plate etc which swells due to the
temperature change.
The unit blows out dust.
When the unit restarts after it is not used
for a long time.
The dust inside the unit is blown out again
The unit emits odors.
When the unit is running.
The odors absorbed in are blown out again.
6.3 Error Display
6.3.1 Error Code of Protection
Error Item
Code
Indoor Unit
Display
Outdoor Unit
Display
Indoor fan protection
L1
L1
L1
Water overflow protection
L3
L3
L3
Anti-freeze protection
L5
L5
L5