bosch powerpack 500 LED 2 + 4 blinking

austrian_painter

New Member
Jan 29, 2025
5
5
austria
the battery had some dead cells and voltage drop, opened up the battery, located the dead cells and put new ones in. the BMS somehow detected this. the battery worked briefly in the bike and then came this LED-2+4 error.

in the german forums people talk this is easily solved with the official bosch diagnosis tools at bosch dealers.



one guy is showing how it is done, but no clue WHERE to get the software or the interface to the battery.

does anybody on this englisch forum have any clue what to do??
 

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