Gree GMV-680WM/E-X Manuel D'utilisateur page 54

GMV DC Inverter VRF
Debugging
——
code
LED1
progress
Display
Code
status
db
02_Allocate
db
addresses
db
db
03_Confirm the
quantity of
modules
db
db
04_Confirm the
quantity of IDUs
db
db
db
05_Detect
internal
communication db
db
db
db
06_Detect
outdoor
components
db
db
07_Detect
indoor
components
db
db
08_Confirm
preheated
compressor
db
db
09_Refrigerant
judgments
before startup
db
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Description of each stage of debugging progress
Progress code
LED2
Display
code Code
status
light 02 light
light 02 light
light 02 light
light 03 light 01~04
light 03 light
light 04 light 01~80
light 04 light
light 05 light
light 05 light
light 05 light
light 05 light
light 05 light
light 06 light Error code
light 06 light
XXXX/Error
light 07 light
code
light 07 light
light 08 light
light 08 light
light 09 light
light 09 light
Status code
LED3
Display
status
Ad blink System is allocating addresses.
Master IDU is not set. Please set
master IDU. If it's not set in 1min,
L7 blink
system will set the master IDU
randomly.
Allocation is finished. Start next
OC light
progress.
LED3 displays the quantity of modules.
blink
Confirm the number manually.
System has confirmed the quantity of
OC light
modules. Start next progress.
LED3 displays the quantity of IDUs.
blink
Confirm the number manually.
System has confirmed the quantity of
OC light
IDUs. Start next progress.
System detects "driven communication
C2 light error between master unit and inverter
compressor".
System detects "driven communication
C3 light error between master unit and inverter
fan".
IDU/ODU "high proportion of rated
CH light
capacity".
IDU/ODU "low proportion of rated
CL light
capacity".
Detection is finished. Start next
OC light
progress.
System detects error in outdoor
light
components.
No error in outdoor components. Start
OC light
next progress.
System detects error in indoor
components. XXXX is the project no. of
the faulted IDU. 3s later, relevant error
light code is displayed. For example, IDU
no. 100 has d5 error, then LED3
displays like this: 01 (2s later) 00 (2s
later) d5, and repeat again.
No error in indoor components. Start
OC light
next progress.
Preheat time for compressor is less
U0 light
than 8h.
Preheat time for compressor is 8h.
OC light
Start next progress.
System refrigerant is not enough.
U4 light System downtime equilibrium pressure
is lower than 0.3MPa.
System refrigerant is normal. Start next
OC light
progress.
51
Meaning