Error Indication - Gree FGR20Pd/DNa-X Owner's Manual

Ducted Type Split Air-Conditioner Units(Inverter Series)
Following circumstances are not malfunctions：
Unit doesn't
run.
Mist comes
from the unit.
Noise is
emitted.
Unit blows out
dust.
Unit emits
odor.

6 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.
Content
symbol
Division
symbol
Malfunction of
L
IDU (uniform)
d
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
when 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.
0 1
Protection of
indoor fan
Indoor PCB is
-
poor
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.
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.
2
Auxiliary heating Water-full
protection protection
Malfunction of
ambient
-
temperature
sensor
30
Reason
3 4
Over-current
protection
Malfunction of
entry-tube
temperature
sensor
5
Freeze
prevention
protection
Malfunction of
middle
temperature
sensor