Gree GMV5E Series Service Manual page 109

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