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BYD Premium LVS 12.0, Service Manualline And Checklist

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BYD Premium LVS 12.0 Service Manualline And Checklist Download Page 10

2.9 Be Connect Plus (BCP)

Be Connect Plus is a Windows-PC tool. With Be Connect Plus (BCP) you can:

-

read the battery information,

-

configure the battery system

-

update BMU & BMS firmware

-

Export / download battery logs (From BMU and all BMS)

BCP is constantly being improved and updated.

Make sure to use the latest program version. You can download the latest

version of the Tool on www.bydbatterybox.com / www.eft-systems.de / www.alpspower.com.au

.

For the service analysis, please download and provide the data / logs as described in the program instructions (see PDF manual
inside of program ZIP archive).

Note: You need a computer with Windows that will be connected to the battery Wifi.
Login as Installer to Be Connect Plus, the password is the same as for WiFi: BYDB-Box

10

Summary of Contents for Premium LVS 12.0

Page 1: ...ant The installation and all other kinds of works or measurements in combination with the Battery Box Premium are only allowed by professional and qualified electricians This checklist is a shortened assistance for the Battery Box and does not replace the original manual which can be found on www bydbatterybox com www eft systems de www alpspower com au Subject to technical modifications no respon...

Page 2: ...ncorrect output voltage No BMS Data BMU EC102 6 2 5 Communication issue with Inverter BMU EC106 7 2 6 SOC charging logic 7 2 7 Unexpected shutdown 7 2 8 BMU BMS LED Event Code EC 8 2 9 Be Connect Plus BCP 10 2 10 Voltage measurement and undervoltage 11 2 11 Module Exclusion Method Identifying a faulty module 12 3 SERVICE TASKS 13 3 1 BMU Replacement 13 3 2 PDU Replacement 13 3 3 LVS Module Replace...

Page 3: ...ssary cable cross section herePlease pay attention to the power and current of the battery and the inverter as well as the local rules The DC male connectors 35mm 50m 70mm are not included in the PDU scope of delivery They need to be ordered separately from your PV distributor 3 Latest Firmware Always update the newest Firmware with using the latest App Version Note If not stated otherwise wifi pa...

Page 4: ...he LED of the BMU is faulty To check that check if there is a WIFI access point of the Battery Box and check if there are internal LEDs inside the BMU If so only the external LED is inactive and a commissioning could still work 11 Voltage measurement Check voltage of battery See Section 2 10 12 Module Exclusion Method Check if system works when removing the suspected module See section 2 11 13 BMU...

Page 5: ...n of the BMU about 1 second or restart the system To reset the WiFi press the LED button of the BMU three times 1 second within 6 seconds If problem remains remove the lan cable during the configuration Once the Battery has been configured correctly you can connect it again to the Internet check whether other mobile devices are connected the same wifi try another mobile device 20 Proper restart No...

Page 6: ...is connected to the right port of BMU the one labeled as BMS Replace comm cable between BMU and battery 26 Check terminal resistor Make sure that the terminal resistor is connected to the OUT port Terminal resistor properties 120 Ω resistor between pin 5 and 6 If it was connected already then please remove it and try without it to rule out a faulty terminal resistor Don t forget to properly restar...

Page 7: ... but other factors such as temperature current flow and charging behavior also play a role The calculation of the state of charge is generally more precise if the battery regularly sees full cycles Every now and then an SOC correction calibration might occur That is normal 2 7 Unexpected shutdown System has been successfully commissioned in the past and did run for some time Later on an unexpected...

Page 8: ...fore be shown in the LED of the module Most errors are caused by a faulty communication line an incorrect app configuration or the missing restart after the app configuration Please go in detail through Section 2 3 2 4 Note if the system is not correctly configured with the app the event code EC might be misleading EC BMU EC BMS Measure No LED See section 2 1 No LED See section 2 2 Abnormal LED fl...

Page 9: ... the cell data section 2 9 provide the serialnumber and voltage of the faulty module see checklist on last page EC 104 EC 101 Short circuit DC reverse connection Check DC cabling is there any short circuit Is the fuse between battery and inverter closed Disconnect the battery system from the inverter and restart the battery system alone battery isolated to evaluate if the error is being caused ext...

Page 10: ...ke sure to use the latest program version You can download the latest version of the Tool on www bydbatterybox com www eft systems de www alpspower com au For the service analysis please download and provide the data logs as described in the program instructions see PDF manual inside of program ZIP archive Note You need a computer with Windows that will be connected to the battery Wifi Login as In...

Page 11: ...nnected with the PDU LEDs on Modules and BMU have to be ON Please measure at P and P according to the picture below The voltage measured on the PDU is the average voltage of all modules in the tower and should be around 50V NOTE the PDU output voltage will only be correct if the battery has been configured correctly via app and then restarted Without correct app configuration the PDU output voltag...

Page 12: ...ges Initial Firmware FW Version of the Battery when the UV happened BMU and BMS Detailed description how and why the system reached Undervoltage if known Information when the system was installed and commissioned and in which circumstance and when the undervoltage happened If the battery was never running before Why did it never work before and what was the battery status when the battery was left...

Page 13: ...e do not forget to re do the configuration and firmware update with the app or BCP 3 2 PDU Replacement After replacing the PDU please do not forget to re do the configuration and firmware update with the app or BCP 3 3 LVS Module Replacement After replacing the module please do not forget to re do the configuration and firmware update with the app or BCP 13 ...

Page 14: ...vent Code EC Company Contact Person Street Nr ZIP City Phone Email Service Ticket Number or System ID Installer Delivery Address Contact System Information Battery Configuration e g 2 x LVS 12 0 BMU Serial Number BMU Connected to Internet Inverter Brand Model Inverter Serial Number Commissioning Date BMU Firmware BMS Firmware Inverter Firmware System Name on Inverter Portal Provide access for info...

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