Gree GMV-VQ680WM/C-X Service Manual page 73

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LED2 displays the left two digits of the quantity, and LED3 displays the right two digits. For example,
if the indoor unit quantity is 75, 0075 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.
Note:
This function can query the quantity of indoor units only on a single-system network.
4.1.2.4.5 nb Outdoor Unit Barcode Query
Introduction:
This function queries the barcodes of the outdoor unit and controller.
Operations:
Press the SW1 up button and the SW2 down button to select outdoor unit barcode query. The
master unit displays as follows:
LED1
Function Code Display status
nb
Press the SW3 confirm button on the master unit to enter the next level of menu. The module
displays as follows:
LED1
Function Code Display status
nb
nb
nb
nb
Press the SW1 up button and the SW2 down button to select the corresponding query module, and
press the SW3 confirm button. The unit displays as follows:
LED1
Function Code Display status
nb
Note:
Un indicates the unit barcode, while Pc indicates the controller barcode.
After confirming the module, press the SW1 up button and the SW2 down button to select the
barcode sequence. The displayed sequence is as follows:
Unit barcode digits 1–13, controller barcode digits 1–13, that is, unit barcode head, unit barcode
(digits 1–6), unit barcode (digits 7–12), unit barcode (digit 13), controller barcode head, controller
barcode (digits 1–6), controller barcode (digits 7–12), controller barcode (digit 13). The LEDs display as
follows:
LED1
Parameter code Display status
Barcode
Current process/mode
Blinks 00
Module address
On 01
On 02
On 03
On 04
Parameter Code
On Un/Pc
Parameter code
On Barcode
GMV6 HR DC Inverter VRF Units Service Manual
LED2
Display status
Blinks
LED2
Display status
Blinks
Blinks
Blinks
Blinks
LED2
Display status Current status
Blinks
LED2
Display status Parameter code
On
71
LED3
Current status Display status
00 Blinks
LED3
Current status Display status
00 Blinks
00 Blinks
00 Blinks
00 Blinks
LED3
Display status
-n Blinks
LED3
Display status
Barcode On