Gree GMV5E Series Service Manual page 112

GREE
on the master unit to confirm. The main board is displayed as follows and the unit automatically enters
commissioning step 04.
Progress
03_Module quantity
confirmation
If the displayed quantity is inconsistent with the number of actually connected modules, check
whether communication cables are correctly connected between modules in power-off status. Then
perform commissioning again.
Note: It is very important to correctly confirm the number of ODUs. If the confirmed quantity is
inconsistent with the actual quantity, the system may improperly run.
Step 9: When the unit runs to step 04, users need to manually confirm the number of indoor
modules. The main board of each module is displayed as follows:
Progress
04_Indoor unit quantity
confirmation
If the displayed quantity is consistent with the number of actually connected modules, press "SW7"
on the master unit to confirm. The main board is displayed as follows and the unit automatically enters
the next commissioning step.
Progress
04_Indoor unit quantity
confirmation
Note: It is very important to correctly confirm the number of IDUs. If the confirmed quantity is
inconsistent with the actual quantity, the system may improperly run.
Step 10: Unit commissioning step 05 is internal communication detection.
If no exception is detected, the main board is displayed as follows and the unit automatically enters
the next commissioning step.
Commissioning Code
LED1
Progress
Code
05_Internal
communication db
detection
Commissioning Code
LED1
Code Display Status
db On
Commissioning Code
LED1
Code Display Status
db On
Commissioning Code
LED1
Code Display Status
db On
Progress Code
LED2
Display Status Code Display Status Code
On 05
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
Progress Code
LED2
Code Display Status
03 On
Progress Code
LED2
Code Display Status
04 On
Progress Code
LED2
Code Display Status
04 On
Status Code
LED3
Display Status
On OC
108
Status Code
LED3
Code Display Status
OC On
Status Code
LED3
Code Display Status
Number of
Blinking
connected IDUs
Status Code
LED3
Code Display Status
OC On
Meaning
The system completes
On detection and automatically
enters the next step.