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Yellow LEDs (Alarm) are on
and buzzing 4 times
The battery needs to be protected
or external connection is incorrect;
1.Power off the battery;
2.Inspect short/reverse connection of
cable between P+ and P-
3.If short/reverse connection is
confirmed, please reconnect cable
correctly
4.Restart battery
The merry-go-round
No communication with BMU
1.
Check the cables between BMU
and batteries
2.
Confirm the connection
is reliable or not
Buzzer
Buzzing for 4 times
Short/reverse connection
1.Power off
2.Inspect short/reverse connection of
cable between P+ and P-
3.If short/reverse connection is
confirmed, please reconnect cable
correctly
4.Restart battery
9.3 Normal alarm and solution display on BMU
Status
(display interval 2S)
Definition
LED
Blinks
1 time
Inverter not connected
Blinks
2 time
Battery not connected
Blinks
3 time
Battery disconnect
Blinks
4 time
Battery failure
10
Warranty
BYD provides warranties only when the product is installed and used according to the description of user
manual / installation manual / warranty letter.
11
Login in after sales service web
In order to get prompt after sales service after installation, please login your B-BOX information in our after
sales service operator online portal.
For technical problems or enquiries for use, please contact our installation company.
The following information is required for timely customer service.
Содержание B-Box Pro 12.8
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