Gree GMV-1015WM/G-U, Service Manual

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Gree GMV6 DC Inverter VRF Units Service Manual
58
4.2.3.13 CA Module Failure Emergency Operation
This function is after-sales emergency setting when a module works abnormally. It shields the
abnormal module in a short time to ensure the emergency operation of other modules.
Setting steps:
Enter the function setting on the main board of the faulty basic module. The module displays as
follows:
LED1 LED2 LED3
Function code Display status Current process Display status Current status Display status
CA On 00 Blinks OC Blinks
Press the SW1 up button and the SW2 down button to select the corresponding module to enter and
exit emergency operation status.
LED1 LED2 LED3
Description
Function
code
Display
status
Current
process
Display
status
Current
status
Display
status
CA On 00 Blinks OC Blinks All basic modules run normally.
CA On 01 Blinks OC Blinks
The operation of module 1 is
shielded.
CA On 02 Blinks OC Blinks
The operation of module 2 is
shielded.
CA On 03 Blinks OC Blinks
The operation of module 3 is
shielded.
CA On 04 Blinks OC Blinks
The operation of module 4 is
shielded.
After selecting the corresponding value, press the SW3 confirm button. The shielded module displays
as follows:
LED1 LED2 LED3
Function code Display status Mode Display status Current status Display status
CA On 00 On OC On
CA On 01 On OC On
CA On 02 On OC On
CA On 03 On OC On
CA On 04 On OC On
Modules not shielded display as follows:
LED1 LED2 LED3
Function code Display status Mode Display status Current status Display status
CA On 00 On OC On
Press the SW4 back button. Modules not shielded display normal working status, and the shielded
module displays as follows:
LED1 LED2 LED3
Module
address
Display status
Module failure/indoor unit
failure
Display status Module status Display status
ADD On CA On OF On
①
This function is valid only in systems with two or more modules connected in parallel;
②
A system can set only one module to emergency mode;