Gree GMV-400WM/E-X Service Manual

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

Gree GMV-400WM/E-X Specifications

General

Brand	Gree
Model	GMV-400WM/E-X
Category	Air Conditioner
Language	English