Gree GMV-120WM/B-F

GMV DC Inverter VRF
51
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”;
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
06_Detect
outdoor
components
db
Light
06
Light
OC
Light
No error is detected in outdoor
components. Start next progress.
If error is detected, system will stay at current progress. Error has to be solved manually.
Below is relevant error: