Gree GMV-VQ680WM/C-X Service Manual page 50

Gree
4.1.2.3 Function Operations
Before setting every function, perform the following steps to select the function you want to set. The
following premise steps will not be repeated.
Premise steps for function setting:
Step 1: Open the commissioning window on the main board of the master unit.
Step 2: Power on the entire system.
Step 3: Press and hold the SW1 up button on the master unit for over 5 seconds. The system enters
the function setting status. The master unit displays as follows by default, and other modules display
current statuses.
LED1
Function code Display status
A7
Press the SW1 up button and the SW2 down button on the master module to select the
corresponding function/parameter:
LED1
Function Display
code status
A7 Blinks
A6 Blinks
A2 Blinks
A8 Blinks
n0 Blinks
n3 Blinks
n4 Blinks
n5 Blinks
qJ Blinks
C8 Blinks
CA Blinks
C9 Blinks
4J Blinks
1C Blinks
1F Blinks
1G Blinks
1H Blinks
4n Blinks
4q Blinks
5L Blinks
5n Blinks
After selecting the function to be set, press the SW3 confirm button to enter the function setting. The
master module displays as follows:
Current process
Blinks
00
LED2
Current Display
process status
00 Blinks
00 Blinks
00 Blinks
00 Blinks
01 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
GMV6 HR DC Inverter VRF Units Service Manual
LED2
Display status Current status
Blinks
LED3
Current Display
status status
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
00 Blinks
48
LED3
Display status
00 Blinks
Function Name
Outdoor unit silence
Cooling/heating of the entire
system
Refrigerant recycle
After-sales vacuum pumping
Auto energy saving
Forced defrosting
Forced energy saving
Indoor unit engineering SN
offset
One-button drainage
Compressor emergency setting
Module emergency setting
Fan emergency setting
emergency setting of
components
Continuous heating
SRL low-pressure control
Outdoor static pressure setting
Efficient module rotation
Adaptive control of noise
Forced switch of the electric
heater of an indoor unit
Fan reverse dust removal
Fan anti-snow