Gree GMV-680WM/E-X Manuel D'utilisateur page 57

board of each module will display:
Debugging code
Progress
Code
03_Quantity of
db
modules
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
03_Confirm the
quantity of db
modules
If the quantity displayed is different from actual quantity, then disconnect power and check
whether communication wire among each module is correctly connected. After the check, start
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
04_Confirm the
db
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:
Debugging code
Progress
Code
04_Confirm the
db
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
Display
Code
05_Detect
internal db
communication
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LED1
Display
status
light
LED1
Display
status
light
LED1
Display
status
Light
LED1
Display
status
Light
LED2
Display
code Code
status status
Light 05 Light
Progress code
LED2
Display
Code
status
03 light
Progress code
LED2
Display
Code
status
03 light
Progress code
LED2
Display
Code
status
04 Light
Progress code
LED2
Display
Code
status
04 Light
Status code
LED3
Display
status
Detection is finished. Start next
OC Light
54
GMV DC Inverter VRF
Status code
LED3
Display
Code
status
Quantity of
blink
modules
Status code
LED3
Display
Code
status
OC light
Status code
LED3
Display
Code
status
Quantity of
connected blink
IDUs
Status code
LED3
Display
Code
status
OC Light
Meaning
progress.