Gree GMV-VQ680WM/C-X Service Manual page 74

Gree
Example:
A unit barcode is N1R0128150066.
A controller barcode is N1M0128150067.
The display sequence is as follows:
LED1
Parameter code Display status
nb
LED1
Parameter code Display status
N1
LED1
Parameter code Display status
81
LED1
Parameter code Display status
6X
LED1
Parameter code Display status
nb
LED1
Parameter code Display status
N1
LED1
Parameter code Display status
81
LED1
Parameter code Display status
7X
If a parameter is invalid on the unit, value "00" is displayed.
If there are two levels of menus on the master unit, you can press the SW4 back button to return to
the previous level. Press the SW4 query button again to exit query status.
If you do not press any button on the master unit in 5 minutes, the system will automatically exit the
current screen and the unit will resume displaying the current status.
4.1.3 Restoration to Default Settings
Restoration to default settings 1 (clearing all settings)
On the main board of the master unit, press and hold the SW1 up button and SW4 back button for
over 10 seconds to restore the system default settings. All modules display as follows:
Meaning
Restoration to default
settings 1
At this time, the system clears all settings, including engineering numbers of the indoor and outdoor
Parameter code
On Un
Parameter code
On R0
Parameter code
On 50
Parameter code
On/Off XX
Parameter code
On Pc
Parameter code
On M0
Parameter code
On 50
Parameter code
On/Off XX
LED1
Address Display
code status
ADD On
GMV6 HR DC Inverter VRF Units Service Manual
LED2
Display status Parameter code
Blinks
↓
LED2
Display status Parameter code
On
↓
LED2
Display status Parameter code
On
↓
LED2
Display status Parameter code
Off
↓
LED2
Display status Parameter code
Blinks
↓
LED2
Display status Parameter code
On
↓
LED2
Display status Parameter code
On
↓
LED2
Display status Parameter code
Off
LED2
Function Display
code status
01 On
72
LED3
Display status
-n Blinks
LED3
Display status
12 On
LED3
Display status
06 On
LED3
Display status
XX Off
LED3
Display status
-n Blinks
LED3
Display status
12 On
LED3
Display status
06 On
LED3
Display status
XX Off
LED3
Display
Status code
status
Blinks for 3
0C
seconds