Gree GMV5E Series Service Manual page 115

GREE
Commissioning Code
Progress
Code
09_Pre-startup
refrigerant db
detection
Step 15: Unit commissioning step 10 is pre-startup ODU valve status detection.
If the master unit is displayed as follows, it indicates that the unit is being enabled.
Commissioning Code
Progress
Code
10_Pre-startup
ODU valve status db
detection
If the master unit is displayed as follows, it is required to check again whether the ODU valves are
completely opened.
Commissioning Code
Progress
Code
10_Pre-startup
ODU valve status db
detection
After confirming that all valves are completely opened, press "SW7" to enter the next commissioning
step.
If it is detected that the unit valve status is normal, the main board is displayed as follows and the
unit automatically enters the next commissioning step.
Commissioning Code
Progress
Code
10_Pre-startup
ODU valve status db
detection
Step 16: Unit commissioning step 11 is manually calculated refrigerant perfusion status.
Without operations, the system gives a function prompt and automatically enters the next step.
Step 17: Unit commissioning step 12 is unit commissioning startup confirmation.
To avoid enabling the unit before all preparations are completed, it is required to confirm again
whether to enable the unit.
If the master unit is displayed as follows, it indicates that the unit is waiting for enabling confirmation.
Commissioning Code
Progress
Code Display Status
12_Unit
commissioning
db
startup
confirmation
If it is confirmed to enable the unit, press "SW7". The main board is displayed as follows and the unit
automatically enters the next commissioning step.
Progress Code
LED1 LED2
Display Status Code Display Status Code
On 09
Progress Code
LED1 LED2
Display Status Code Display Status Code
On 10
Progress Code
LED1 LED2
Display Status Code Display Status
On 10
Progress Code
LED1 LED2
Display Status Code Display Status Code
On 10
Progress Code
LED1 LED2
Code Display Status
On 12
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
Status Code
LED3
Display Status
On U4 On
Status Code
LED3
Display Status
On ON
Status Code
LED3
Code Display Status
On U6
Status Code
LED3
Display Status
On OC On
Status Code
LED3
Code Display Status
On AP Blinking
111
Meaning
The system detects insufficient
refrigerants and stops to
balance the pressure lower
than 0.3 MPa.
Meaning
Outdoor unit valves are being
On
opened.
Meaning
It is required to check again
On whether the ODU valves are
completely opened.
Meaning
Outdoor unit valves have been
properly opened.
Meaning
The system waits for a unit
commissioning startup
command.