Gree GMV-280WM/E1-X User Manual

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

Gree GMV-280WM/E1-X Specifications

General

Brand	Gree
Model	GMV-280WM/E1-X
Category	Air Conditioner
Language	English