Gree GMV-Y72WM/C-F Owner's Manual page 64

If no error is detected, system will display as below and then start next progress.
——
Debugging code Progress code
LED1
progress
Code
06_Detect
outdoor db
components
If error is detected, system will stay at current progress. Error has to be solved manually.
Below is relevant error:
——
Debugging code Progress code
LED1
progress
Code
06_Detect
outdoor db
components
Elimination methods of above error can be found in Troubleshooting.
Step11: progress 07 is "Detect indoor components"
If no error is detected, system will display as below and then start next progress.
——
Debugging code Progress code
LED1
progress
Code
07_Detect indoor
db
components
If error is detected, system will stay at current progress. Error has to be solved manually.
Below is relevant error:
——
Debugging code Progress code
LED1
progress
Code
07_Detect indoor
db
components
XXXX is the project no. of the faulted IDU. 3s later, relevant error code is displayed. For
example, IDU no. 100 has d5 error, then LED3 displays like this: 01 (2s later) 00 (2s later) d5,
and repeat again.
Elimination methods of above error can be found in Troubleshooting.
Step 12: progress 08 is "Confirm preheated compressor"
If more than 8h of preheat time is detected, system will display as below and start next
progress.
LED2
Display Display
code
status status
Light 06 Light
LED2
Display Display
code
status status
Light 06 Light
LED2
Display Display
code
status status
Light 07 Light
LED2
Display Display
code
status status
Light 07 Light
Photovoltaic Direct-driven Inverter VRF
Status code
LED3
Display
Code
status
No error is detected in outdoor
OC Light
components. Start next progress.
Status code
LED3
Display
Code
status
Error System detects error in outdoor
Light
code
Status code
LED3
Display
Code
status
No error is detected in indoor
OC Light
components. Start next progress.
Status code
LED3
Display
Code
status
XXXX
or System detects error in indoor
Light
Error
code
60
Meaning
Meaning
components.
Meaning
Meaning
components.