BYD Battery-Box Premium LVL Service Manuallines Download Page 12

Page: 12 / 13

3.1 BMU Replacement

Have you detected a faulty BMU?:

After replacing the BMU, please do not forget to re-do the configuration and firmware-update in the app.

3.2 BMS Replacement

Refer to Manual “BMS Drawer Replacement Guide”

3.3 BIC Replacement

Refer to Manual “BIC Board Replacement Guide”

3. SERVICE TASKS

Please go through the general and error specific steps beforehand, see chapter 1 and 2.

Summary of Contents for Battery-Box Premium LVL

Page 1: ...ther 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...

Page 2: ...Inverter 5 2 3 Problem with the Firmware Update App Configuration 6 2 4 BMU BMS LED event code EC 7 2 5 Be Connect Plus BCP 9 2 6 Voltage measurement and undervoltage 10 3 SERVICE TASKS 12 3 1 BMU Rep...

Page 3: ...ernet strongly recommended 4 DC Ports Make sure that and are properly connected 5 Correct parallel connection cabling if applicable 4 Latest Firmware Always update the newest Firmware with using the l...

Page 4: ...e of PIN 7 8 while the other side of the cable is connected to the IN port of the Battery Box and while the Battery Box is powered on Voltage should be around 50V If yes try another BMU if available I...

Page 5: ...stor is connected to the OUT port of the last battery the battery with the highest address 19 App Configuration and Firmware Please check if the App configuration was successful and the Firmware is th...

Page 6: ...ailure Battery Box is busy e g the battery could be updating the firmware Please wait 10 minutes and try again 24 Close and restart the App If the App does not react anymore after some minutes loading...

Page 7: ...o press the button on BMU for 5 seconds Make sure to start the battery before starting the inverter Download all data with BCP especially the historical data section 2 5 If multiple LVL batteries are...

Page 8: ...moving the LVL with the EC see section 2 8 provide the SN and voltage of the LVL with the EC see checklist on last page EC 104 EC 107 EC 113 Undervoltage Shut down the system quickly to avoid further...

Page 9: ...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 Fo...

Page 10: ...le Measure also between P P green circle on the BMS as shown below Measure the cell voltages in case of BMS EC 107 EC 103 or if BCP shows cells with 1 5 V does not show cell voltages This will help us...

Page 11: ...are in undervoltage Contact the service as stated below and make sure to avoid any further discharge of the battery Turn off the system completely When contacting the service make sure to fill the ser...

Page 12: ...t to re do the configuration and firmware update in the app 3 2 BMS Replacement Refer to Manual BMS Drawer Replacement Guide 3 3 BIC Replacement Refer to Manual BIC Board Replacement Guide 12 3 SERVIC...

Page 13: ...rmware BMS Firmware Inverter Firmware Inverter Portal Name State the system name Provide access Service Information Yes No BMU EventCode EC Inverter Error Code Was the battery charging discharging bef...