Compressor - Gree GMV-Y72WM/C-F Owner's Manual

Photovoltaic Direct-driven Inverter VRF
debugging again.
Step 8: in progress 04, the quantity of IDUs needs to be confirmed manually. Main board
of each module will display:
Progress
Code
04_Confirm the
quantity of IDUs
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:
Progress
Code
04_Confirm the
quantity of IDUs
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
LED1
progress
Code
05_Detect
internal db
communication
If error is detected, system will stay at current progress. Error has to be solved manually.
Below are relevant errors:
——
Debugging code Progress code
LED1
progress
Code
db
05_Detect
db
internal
communication
db
db
Elimination methods of above errors can be found in Troubleshooting.
Step 10: progress 06 is "Detect outdoor components"
Debugging code
LED1
Display
status
db Light
Debugging code
LED1
Display
status
db Light
LED2
Display Display
code
status status
Light 05 Light
LED2
Display Display
code
status status
Light 05 Light
Light 05 Light
Light 05 Light
Light 05 Light
Progress code
LED2
Display
Code
status
04 Light
Progress code
LED2
Display
Code
status
04 Light
Status code
LED3
Display
Code
status
Detection is finished. Start next
OC Light
Status code
LED3
Display
Code
status
System detects "driven communication
C2 Light error between master unit and inverter
System detects "driven communication
C3 Light error between master unit and inverter
IDU/ODU "high proportion of rated
CH Light
IDU/ODU "low proportion of rated
CL Light
59
Status code
LED3
Display
Code
status
Quantity of
connected blink
IDUs
Status code
LED3
Display
Code
status
OC Light
Meaning
progress.
Meaning

compressor".

fan".
capacity".
capacity".