Gree GMV-VDR5PH/SA-S - Error Code Table

ERV+DX coil
32
following errors occur, before contacting the after-sales service department of Gree,
please conduct troubleshooting on your own according to the following table.
Table 5-1 General error diagnosis
Abnormality Possible reason Solution
Airflow of supply air outlet is
decreased obviously after a
period of time
Too much dust accumulated
in air filter
Replace or clean the filter
Wind noise occur at the air
outlet
The installation of air outlet
is loose
Re-tighten the installation
location of air outlet
The device cannot be started
Power off
Check the circuit or to see if
the reset switch of
protective plug for electric
leakage is abnormal
Transformer terminal on
main board is loose
Insert and connect the
transformer terminal
No cooling or heating
Check if refrigerant pipeline
is leaked or if the valve of
outdoor unit is opened
Communication error
（C0）
Check the connection wire
of wired controller and main
board, or the connection
wire of the unit and outdoor
unit
5.2 Error Code Table
During operation, if errors occur, error code will be displayed. Error code is as
follow:
Table 5-2 General error diagnosis
Displayed
code
Content
Displayed
code
Content
d1
Circuit board of indoor unit is
poor
L0 Indoor unit error
d3
Ambient temperature sensor
error
L1 Motor protection for fresh air
d4
inlet pipe temperature sensor
error
L3 Water overflow protection
d6
outlet pipe temperature sensor
error
L4
Abnormal power supply for wired
controller
d9
Jumper cap error
L5
Anti-frozen protection
dL
Fresh air outlet temperature
sensor error
L9
The number of indoor unit of
multi-split is inconsistent
LA
The series of indoor unit of
multi-split is inconsistent
yC
Return air and temperature air
inlet sensor error
Ld Air exhaust motor protection y7
Fresh air and air inlet humidity
sensor error