Gree GMV-680WM/E-X Manuel D'utilisateur page 61

If master unit displays as below, system is waiting for confirmation signal.
——
Debugging code Progress code
LED1
progress
Display
Code
12_Status
judgments of
db
outdoor valves
before startup
If it's confirmed, press SW7 confirmation button. Unit will display as below and start next
progress.
——
Debugging code Progress code
LED1
progress
Display
Code
12_Status
judgments of
db
outdoor valves
before startup
Step 17: after unit is confirmed to start debugging, system select cooling/heating mode
according to ambient temperature.
A If cooling mode is selected, relevant display is as below:
Debugging
——
code
LED1
progress
Display
Code
status
db Light
db Light
db Light
15_Cooling
debugging
db Light
db Light
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LED2
Display
code Code
status status
Light 12 Light
LED2
Display
code Code
status status
Light 12 Light
Progress code
LED2
Display
code Code
status
15 Light
Error
15 Light
code
15 Light
15 Light
15 Light XXXX/U8
Status code
LED3
Display
status
AP Blink Ready for units to start debugging.
Status code
LED3
Display
status
Manual calculation of refrigerant
AE Light
quantity is set up.
Status code
LED3
Display
status
Debugging is enabled in cooling mode
AC Light (debugging mode, auto-selected by
system).
Error occurs during debugging in
Light
cooling mode.
Error of other modules occurs during
J0 Light
debugging in cooling mode.
Outdoor pipeline and valves are not
U9 Light
normal.
System detects error in indoor
pipeline. XXXX is the project no. of the
faulted IDU. 3s later, error code U8 is
Light displayed. For example, IDU no. 100
has U8 error, then LED3 displays like
this: 01 (2s later) 00 (2s later) U8, and
repeat again.
58
GMV DC Inverter VRF
Meaning
Meaning
Meaning