Gree GMV5E Series Service Manual page 108

GREE
——
Commissioning Code
Progress
Code Display Status Code Display Status
db
09_Pre-startup
refrigerant detection
db
db
10_Pre-startup
db
ODU valve status
detection
db
11_Manually
calculated
db
refrigerant perfusion
status
db
12_Unit
commissioning
startup confirmation
db
—
13_
—
—
14_
—
db
15_Cooling
operation by
manual perfusion
db
db
db
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
Progress Description for Commissioning Phases
Progress Code
LED1 LED2
On 09
On 09
On 10
On 10
On 10
On 11
On 12
On 12
—
——
—
—
——
—
On 15
On 15
On 15
On 15
Status Code
LED3
Code
On U4
On OC
On ON
On U6
On OC
On AE
On AP
On AE
—— ——
—— ——
On AC
Corresponding
On
fault code
On J0
On U9
104
Meaning
Display Status
The system detects
insufficient refrigerants
On and stops to balance
the pressure lower
than 0.3 MPa.
The system detects
that refrigerants are
On normal and
automatically enters
the next step.
Outdoor unit valves
On
are being opened.
Outdoor unit valves
On have not been
completely opened.
Outdoor unit valves
On have been properly
opened.
The refrigerant
perfusion status is
manually calculated
On
(appended
refrigerants must be
accurately calculated).
The system waits for a
Blinking unit commissioning
startup command.
The unit is set to
manually-calculated
On refrigerant perfusion
commissioning
operation status.
——
No meaning.
——
No meaning.
The system is in
cooling-mode
commissioning
operation (the system
On automatically selects
the commissioning
operation mode
without needing
manual settings).
A fault occurs on the
cooling-mode
On
commissioning
operation.
A fault occurs on other
modules during the
On cooling-mode
commissioning
operation.
On A fault occurs on ODU