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

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Photovoltaic Direct-driven Inverter VRF
59
debugging again.
Step 8: in progress 04, the quantity of IDUs needs to be confirmed manually. Main board
of each module will display:
Debugging code Progress code Status code
Progress
LED1 LED2 LED3
Code
Display
status
Code
Display
status
Code
Display
status
04_Confirm the
quantity of IDUs
db Light 04 Light
Quantity of
connected
IDUs
blink
If the quantity displayed is the same with actual quantity, then press SW7 confirmation
button on the master unit to confirm it. Unit will start next progress:
Debugging code Progress code Status code
Progress
LED1 LED2 LED3
Code
Display
status
Code
Display
status
Code
Display
status
04_Confirm the
quantity of IDUs
db Light 04 Light OC Light
Step 9:
progress 05 is “Detect internal communication”
If no error is detected, system will display as below and then start next progress.
——
Debugging code Progress code Status code
Meaning
progress
LED1 LED2 LED3
Code
Display
status
code
Display
status
Code
Display
status
05_Detect
internal
communication
db Light 05 Light OC Light
Detection is finished. Start next
progress.
If error is detected, system will stay at current progress. Error has to be solved manually.
Below are relevant errors:
——
Debugging code Progress code Status code
Meaning
progress
LED1 LED2 LED3
Code
Display
status
code
Display
status
Code
Display
status
05_Detect
internal
communication
db Light 05 Light C2 Light
System detects “driven communication
error between master unit and inverter
compressor”.
db Light 05 Light C3 Light
System detects “driven communication
error between master unit and inverter
fan”.
db Light 05 Light CH Light
IDU/ODU “high proportion of rated
capacity”.
db Light 05 Light CL Light
IDU/ODU “low proportion of rated
capacity”.
Elimination methods of above errors can be found in Troubleshooting.
Step 10:
progress 06 is “Detect outdoor components”