Gree GMV5E Series Service Manual page 106

GREE
for more than 70%.
6) The following table describes progress display of each phase during commissioning:
——
Commissioning Code
Progress
Code Display Status Code Display Status
db
db
01_Master unit
setting detection
db
db
db
db
02_Unit address
assignment
db
db
03_Basic module
quantity
confirmation for
ODU
db
db
04_Indoor unit
quantity
confirmation
db
05_Internal
communication
db
detection for basic
modules
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
Progress Description for Commissioning Phases
Progress Code
LED1 LED2
On 01
On 01
On 01
On 01
On 02
On 02
On 02
On 03
On 03
On 04
On 04
On 05
Status Code
LED3
Code Display Status
On A0
On CC
On CF
On OC
On Ad
On L7
On OC
On 01-04
On OC
On 01-80
On OC
On C2
102
Meaning
The system is in
On non-commissioning
status.
The system does not
set any master unit,
On
and a master unit
should be set.
The system sets more
than two master units,
On
and a master unit
should be set again.
The system
successfully sets a
On master unit and
automatically enters
the next step.
The system is
Blinking
assigning addresses.
There is not any master
IDU, and a master IDU
should be set through
the commissioning
Blinking
software. If no master
IDU is set within one
minute, the system will
automatically set one.
The system
successfully assigns
On addresses and
automatically enters
the next step.
LED3 displays the
module quantity,
Blinking
which should be
manually confirmed.
The system confirms
the module quantity
On
and automatically
enters the next step.
LED3 displays the IDU
quantity, which should
Blinking
be manually
confirmed.
The system confirms
the IDU quantity and
On
automatically enters
the next step.
The system detects
communication failure
On between master unit
and inverter
compressor driver.