Gree GMV-Y120WM/C-F, Owner'S Manual

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Photovoltaic Direct-driven Inverter VRF
62
If unit detects that valve status is not normal, it will display as below:
——
Debugging code Progress code Status code
Meaning
progress
LED1 LED2 LED3
Code
Display
status
code
Display
status
Code
Display
status
10_Status
judgments of
outdoor valves
before startup
db Light 10 Light U6 Light Outdoor valves are not fully turned on.
Then check the big and small valves whether they are fully turned on. After the check,
press SW6 return button to restart the judgments.
If unit detects that valve status is normal, it will display as below and start next progress.
——
Debugging code Progress code Status code
Meaning
progress
LED1 LED2 LED3
Code
Display
status
code
Display
status
Code
Display
status
10_Status
judgments of
outdoor valves
before startup
db Light 10 Light OC Light Outdoor valves are turned on normally.
Step 15:
progress 11 is “Calculate refrigerant quantity manually”
No need to operate. System will start next progress.
Step 16:
progress 12 is “Confirm debugging startup”
In order to make sure all preparation work is done before startup, this step is designed for
user to confirm the startup again. Operate as below:
If master unit displays as below, system is waiting for confirmation signal.
——
Debugging code Progress code Status code
Meaning
progress
LED1 LED2 LED3
Code
Display
status
code
Display
status
Code
Display
status
12_Status
judgments of
outdoor valves
before startup
db Light 12 Light AP Blink Ready for units to start debugging.
If it’s confirmed, press SW7 confirmation button. Unit will display as below and start next
progress.
——
Debugging code Progress code Status code
Meaning
progress
LED1 LED2 LED3
Code
Display
status
code
Display
status
Code
Display
status
12_Status
judgments of
outdoor valves
before startup
db Light 12 Light AE Light
Manual calculation of refrigerant
quantity is set up.
Step 17: after unit is confirmed to start debugging, system select cooling/heating mode