Gree GMV-80WL A-T Manuel De L'utilisateur page 33

—— Debugging code
Progress
Code
10_ Status
judgments of
outdoor
valves
before
startup
12_ Confirm
debugging
startup
15_ Cooling
debugging
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Description of each stage of debugging progress
Progress code
LED1 LED2
Display Display
Code
status
db On 10
db On 10
db On 10
db On 12
db On 12
db On 15
db On 15
DC Inverter Multi VRF System User Manual
Status code
LED3
Display
Code
status status
On ON On
On U6 On
On OC On
On AP Blink
On AE On
On AC On
Error
On On
code
30
Code meaning and operation
method
Valves of ODU are being inspected.
Compressor will start operation for
2min or so and then stop. The
opening and closing status of
outdoor valves are as below:
Outdoor valves are not fully turned
on. Press main board's SW6
button and display shows "db 09
OC". Then check if the gas and
liquid valves of ODU are completely
open. After confirmation, press the
SW6 button again.
compressor will start running for
about 2min to inspect the status of
valves.
Valves status is normal. Unit will
display as in the left for 2s and then
start next step.
Ready for units to start debugging.
Press main board's SW7 button
to confirm startup of debugging. 2s
later, main board will display as
below:
Startup is confirmed.
displaying for 2s, system
choose "15_Cooling debugging" or
"16_Heating debugging" according
to ambient temperature. If the
project requests to
refrigerant but it is
complemented
debugging, then refrigerant can
be added in this process through
the L-VALVE.
Debugging for cooling mode. If no
malfunction occurs for 20min when
compressor is running, then system
will start progress 17;
Malfunction occurs when debugging
for cooling mode.
After
malfunctions are eliminated,
system will start next step.
Then
After
will
add
not
before
all