Gree GMV-S280W/A-X

GMV5 Home DC Inverter Multi VRF Units
212
03_ Basic
module
quantity
confirmation
db
ON
03
ON
OC
ON
If the quantity displayed is different from the number of actually connected modules,
disconnect power and check whether communication wires are connected between outdoor
modules. Single-module system cannot have communication connection with other outdoor units.
After the check, start commissioning again.
Step 8: When the unit runs to progress 04, the quantity of indoor unit needs to be confirmed
manually. Main board of each module will display as follows:
Commissioning code
Progress code
Status code
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display status
04_ Indoor
unit quantity
confirmation
db
ON
04
ON
Quantity of
connected
indoor units
Blinking
If the quantity displayed is the same with the number of actually connected units, press SW7
on the master unit to confirm it. The unit will automatically starts the next commissioning progress:
Commissioning code
Progress code
Status code
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display status
04_Indoor
unit quantity
confirmation
db
ON
04
ON
OC
ON
Step 9: Progress 05 is ―Internal communication detection‖.
If no error is detected, system will display as follows and then enter the next progress.
Commissioning
code
Progress code
Status code
Meaning
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
05_ Internal
communication
detection
db
ON
05
ON
OC
ON
System has completed
detection and automatically
enters the next step.
If error is detected, system will stay at current status and wait for manual troubleshooting.
Corresponding error codes include:
Commissioning code
Progress code
Status code
Meaning
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
05_Internal
communication
detection
db
ON
05
ON
C2
ON
System detects
communication failure
between master unit and
inverter compressor drive.