Gree GMV-280WM/E1-X - Page 109

GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
105
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
pipes or valves.
db
On
15
On
XXXX/U8
On
The system detects
pipe failure of IDU.
"XXXX" indicates the
project number of the
faulty IDU. The fault
code "U8" is displayed
after three seconds.
For example, if a U8
fault occurs on IDU
100, LED3 will
circularly display "01",
"00" (two seconds
later), and "U8" (two
seconds later).
16_Heating
operation by
manual perfusion
db
On
16
On
AH
On
The system is in
heating-mode
commissioning
operation (the system
automatically selects
the commissioning
operation mode
without needing
manual settings).
db
On
16
On
Corresponding
fault code
On
A fault occurs on the
heating-mode
commissioning
operation.
db
On
16
On
J0
On
A fault occurs on other
modules during the
heating-mode
commissioning
operation.
db
On
16
On
U9
On
A fault occurs on ODU
pipes or valves.
db
On
16
On
XXXX/U8
On
The system detects
pipe failure of IDU.
"XXXX" indicates the
project number of the
faulty IDU. The fault
code "U8" is displayed
after three seconds.
For example, if a U8
fault occurs on IDU
100, LED3 will
circularly display "01",
"00" (two seconds
later), and "U8" (two
seconds later).
17_Commissioning
completion status
01-04
On
OF
On
OF
On
The unit has completed
commissioning and in
standby status. LED1
displays the module
address; LED2 and
LED3 display "OF".