Gree GMV6 DC Inverter VRF Units Service Manual
57
displayed as follows:
LED1
LED2
LED3
Function code
Display status
Current process
Display status
Current status
Display status
4J
On
00
On
OC
On
At this time, if there is no button operation on the main control machine for 5 minutes, it will exit
automatically and the unit will resume the current state display.
Notes:
①
Default is "00" state;
②
The emergency setting of components is effective in a single module system or a modular
system;
③
The system cannot run continuously for more than 168 hours under the emergency
operation state of components. If it runs for more than 168 hours, the whole machine will
stop running;
④
At present, the emergency setting of components is only effective for temperature-sensing
package fault, overcurrent protection and startup failure.
4.2.3.15 1F SRL Low-Pressure Control
Setting steps:
Enter the function setting. The master unit displays as follows by default, and other basic modules
display normal working status:
LED1
LED2
LED3
Function code
Display status
Current process
Display status
Current status
Display status
1F
On
00
Blinks
OC
Blinks
Press the SW1 up button and the SW2 down button to select the corresponding low pressure
control mode.
LED1
LED2
LED3
Description
Function
code
Display
status
Current
process
Display
status
Current
status
Display
status
1F
On
00
Blinks
OC
Blinks
Ordinary
low-pressure control
1F
On
01
Blinks
OC
Blinks
SRL low-pressure
control
After selecting the corresponding mode, press the SW3 confirm button. The master module displays
as follows:
LED1
LED2
LED3
Function code
Display status
Current process
Display status
Current status
Display status
1F
On
00
On
OC
On
1F
On
01
On
OC
On
The master unit memorizes this setting and does not clear it even upon power failure and power-on
again. The default value is 00.