Water-cooled Heat Recovery DC Inverter VRF
39
Description of each stage of debugging progress
-
Debugging code
Progress code
Status code
Meaning
Progress
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code
Display
status
05_Internal
communication
detection
db
On
05
On
C2
On
Communication error between master
ODU and inverter compressor driver.
db
On
05
On
CH
On
Rated capacity ratio between IDU and
ODU is too high.
db
On
05
On
CL
On
Rated capacity ratio between IDU and
ODU is too low.
db
On
05
On
OC
On
System detection is finish. Go to next
step automatically.
06_Detect
outdoor
components
db
On
06
On
Related
error
code
On
System detects error on outdoor
components.
db
On
06
On
OC
On
System detects no error on outdoor
components. Go to next step
automatically.
07_Detect
indoor
components
db
On
07
On
XXXX/
Related
error
code
On
System detects error on indoor
components. XXXX means the project
code of error IDU. 3s later, related error
code will be displayed. For example, if
no.100 IDU has d5 error, then the
LED3 will display alternately as below:
01(2s later), 00(2s later), d5.
db
On
07
On
OC
On
System detects no error on indoor
components. Go to next step
automatically.
08_Confirm
preheated
compressor
db
On
08
On
U0
On
Preheat time for compressor is less
than 8 hours.
db
On
08
On
OC
On
Compressor has been preheated for 8
hours. Go to next step automatically.
09_Refrigerant
amount
judgments
before startup
db
On
09
On
U4
On
System is lack of refrigerant. System
stops with balance equalizing pressure
lower than 0.3Mpa.
db
On
09
On
OC
On
Refrigerant amount is normal. Go to
next step automatically.
10_Status
judgments of
outdoor valves
before startup
db
On
10
On
ON
On
Outdoor valves state is being
inspected.
db
On
10
On
U6
On
Outdoor valves are not fully opened.
db
On
10
On
OC
On
Outdoor valves open normally.
11_Calculate
refrigerant
charging
amount state
manually
db
On
11
On
AE
On
The refrigerant charging amount state
is manual calculation state (additional
refrigerant charging amount should be
calculated correctly).
12_Confirm
debugging
startup
db
On
12
On
AP
Blink
Ready for units to start debugging.
db
On
12
On
AE
On
The unit has been set in debugging
operation state of manual calculation of
refrigerant charging amount.
Содержание GMV-WQ120WM/A-F
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