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BYD Battery-Box PRO

Service Guideline

Version 1.0
Valid for PRO 2.5-10.0 and PRO 13.8

Important:TheinstallationandallotherkindsofworksormeasurementsincombinationwiththeBattery-Box
are only allowed by professional and qualified electricians.

This manual is a shortened assistance for the installation / service of the Battery-Box PRO and does not replace
the original manual, which can be found on

www.alpspower.com.au

owww.byd.com. The installation must

be carried out by a trained and qualified electrician. Attention: High Voltage! Improper handling can cause danger
and damage.

Содержание Battery-Box Pro 10.0

Страница 1: ...ly allowed by professional and qualified electricians This manual is a shortened assistance for the installation service of the Battery Box PRO and does not replace the original manual which can be found on www alpspower com au or www byd com The installation must be carried out by a trained and qualified electrician Attention High Voltage Improper handling can cause danger and damage ...

Страница 2: ...SIS 5 2 1 Installation or commissioning issues 5 2 2 Battery shutdown or inverter reports battery failure 6 2 3 Unusual behavior of a working system 8 3 SERVICE TASKS 9 3 1 Voltage measurement 9 3 2 Emergency charge 9 3 3 Battery information Query and Read Alarm history 9 3 4 Software update 9 4 SERVICE CONTACT 10 ...

Страница 3: ...er must be specially made Please check the specifications in the installation manual Recommended CAT5 or higher Check the cables and replace them if necessary Check if all Cables inside the battery Battery Modules to BMS are ok and reinsert them if necessary 4 Grounding Battery Box connected directly to the ground bus of the house The battery must not be earthed via the inverter Otherwise communic...

Страница 4: ...theinverter Therefore ifcommunication isnotestablishedcorrectlyor lost theBMU willshutdown allthe batteries Only oneBMU is neededand in use forone battery cluster Seeinstallation manual The BMS is included in each battery module B plus 2 5 or in each cabinet B Box 13 8 The BMS balances and protects the battery cells and reports status and alarms to the BMU In the case that an alarm is present and ...

Страница 5: ...rective measures 1 BMU cannot communicate with inverter 1 Review in detail the commissioning steps in the inverter manual 2 Confirm you are using the CAN cable recommended in the BYD and inverter manual 3 Exchange the cable between the BMU and Inverter 2 BMU cannot communicate with any battery 1 Check the addresses of all the modules 2 Replace the communication cable between the BMU and the first ...

Страница 6: ... plus Undervoltage Charge 2 Charge overcurrent Close the input and check it 3 Charge overcurrent in the low Temperature Reduce the charging current 4 Charging short circuit Eliminate short circuit 5 discharging short circuit Eliminate short circuit 6 Parallel short circuit Eliminate short circuit 7 Discharge overcurrent protection Close the load Check the load power 8 High temperature protection P...

Страница 7: ...e this with the other tower If the error moves with the BMS probably the error is inside the BMS If the error disappears it was probably from a loose contact between cables Error If the red ERR light is on shortly press Reset ON OFF Button and observe how often the LED blinks No Blin k Cause Corrective measures 1 Voltage sensor failure Read the history alarm information Check that the sampling lin...

Страница 8: ...ing the correct working modes and parameters for your installation Case 3 Abnormal SOC or SOC jumps There can be two causes for this issue Lack of calibration LFP batteries have a very stable voltage curve and only show meaningful changes of voltage when SOC is close to 0 or 100 Therefore it is important to let the batteries charge completely with certain regularity One time should be enough but i...

Страница 9: ... be about 50V PRO2 5 10 0 B PLUS2 5 PRO 13 8 BMS ForPRO13 8 Ifthemeasuredvoltagedeviatessignificantlyfrom thenominalvalue pleasemeasure thevoltage directly on the two battery modules DC ports Nominal voltage per battery should be around 25 V 3 2 Emergency charge See emergency charge guide 3 3 Battery information Query and Read Alarm history Manual provided by Service partner 3 4 Software update Ma...

Страница 10: ...Photos showing inverter errors cabling setup C Video Video that shows the LED behaviour D Voltage Voltage of the Battery according to Section 3 1 E Serial number of the faulty module Note onlynecessary ifa faultymodulewasfound On the module directly F Inverter serial number and model ImportantforBYDtoanalyzeandresolvetheproblematsystemlevel with the inverterpartner G If necessary Delivery address ...

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