Gree GMV-VQ680WM/C-X Service Manual page 67

Gree
4.1.2.3.18 4q Forced Off of the Electric Heater of an Indoor Unit
Setting steps:
Enter the function setting. The master unit displays as follows by default, and other basic modules
display normal working status:
LED1
Function code Display status
4q
Press the SW1 up button and the SW2 down button to select the corresponding low pressure
control mode.
LED1
Function Display
code status
4q On
4q On
4q On
After selecting the corresponding mode, press the SW3 confirm button. The master module displays
as follows:
LED1
Function code Display status
4q
4q
The master unit memorizes this setting and does not clear it even upon power failure and power-on
again. The default value is 00.
After the entire system is commissioned, the commissioner sends a flag, indicating whether the
forced switch function of the electric heater of the indoor unit is valid. The master unit memorizes this
setting and does not clear it even upon power failure and power-on again.
4.1.2.3.19 5L Fan Reverse Dust Removal
Setting steps:
Enter the function setting. The master unit displays as follows by default, and other basic modules
display normal working status:
LED1
Function code Display status
5L
Press the SW1 up button and the SW2 down button to select the corresponding fan reverse dust
removal mode.
LED1
Function code Display status
5L
5L
5L
Current process
On 00
LED2
Current Display
process status
00 Blinks
01 Blinks
02 Blinks
Current process
On 00
On 01
Current process
On 00
Current process
On 00
On 01
On 02
GMV6 HR DC Inverter VRF Units Service Manual
LED2
Display status
Blinks
LED3
Current Display
status status
OC Blinks
Forced off of the electric heater of an
OC Blinks
indoor unit in full temperature range
OC Blinks
LED2
Display status
On
On
LED2
Display status
Blinks
LED2
Display status
Blinks
Blinks
Blinks
65
LED3
Current status Display status
OC Blinks
Description
Invalid forced off function of the
electric heater of an indoor unit
Forced off of the electric heater of
an indoor unit above –2°C outdoor
temperature
LED3
Current status Display status
OC On
OC On
LED3
Current status Display status
OC Blinks
LED3
Current status Display status
OC Blinks
OC Blinks
OC Blinks