YMGI VRFO-120VP-U2C(55)5, Инструкции по установке и Руководство пользователя

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If the quantity displayed is the same with actual quantity, then press SW7 confirmation button on the master unit to
confirm it. Unit will start next progress:
Debugging Code Progress Code Status Code
Progress
LED1 LED2 LED3
Code Display status Code Display status Code Display status
03_Confirm the quantity
of modules
db light 03 light OC light
If the quantity displayed is different from actual quantity, then disconnect power and check whether communication wire
among each module is correctly connected. After the check, start debugging again.
Step 8: in progress 04, the quantity of IDUs needs to be confirmed manually. Main board of each module will
display:
Debugging Code Progress Code Status Code
Progress
LED1 LED2 LED3
Code Display status Code Display status Code Display status
04_Confirm the quantity
of IDUs
db Light 04 Light
Quantity of
connected
IDUs
blink
If the quantity displayed is the same with actual quantity, then press SW7 confirmation button on the master unit to
confirm it. Unit will start next progress:
Debugging Code Progress Code Status Code
Progress
LED1 LED2 LED3
Code Display status Code Display status Code Display status
04_Confirm the quantity
of IDUs
db Light 04 Light OC Light
Step 9:
progress 05 is “Detect internal communication”
If no error is detected, system will display as below and then start next progress.
Debugging Code Progress Code Status Code
Progress
LED1 LED2 LED3
Code Display status Code Display status Code Display status
05_Detect internal
communication
db Light 05 Light OC Light
If error is detected, system will stay at current progress. Error has to be solved manually. Below are relevant errors:
Debugging Code Progress Code Status Code
Meaning
Progress
LED1 LED2 LED3
Code
Display
status
Code
Display
status
Code
Display
status
05_Detect
internal
communication
db Light 05 Light C2 Light
System detects “driven communication error
between master unit and inverter compressor”.
db Light 05 Light C3 Light
System detects “driven communication error
between master unit and inverter fan”.
db Light 05 Light CH Light
IDU/ODU “high proportion of rated capacity”.
db Light 05 Light CL Light
IDU/ODU “low proportion of rated capacity”.