Bosch Active Series Owner's Manual

English – 27
Code Cause Corrective measures
431 Software version error Restart the system. If the problem persists, contact your
Bosch eBike dealer.
440 Internal drive unit fault Restart the system. If the problem persists, contact your
Bosch eBike dealer.
450 Internal software error Restart the system. If the problem persists, contact your
Bosch eBike dealer.
460 Error at USB port Remove the cable from the USB port of the on-board com-
puter. If the problem persists, contact your Bosch eBike
dealer.
490 Internal fault of the on-board com-
puter
Have the on-board computer checked
500 Internal drive unit fault Restart the system. If the problem persists, contact your
Bosch eBike dealer.
502 Bike light fault Check the light and the associated wiring. Restart the sys-
tem. If the problem persists, contact your Bosch eBike
dealer.
503 Speed sensor fault Restart the system. If the problem persists, contact your
Bosch eBike dealer.
504 Speed signal distortion detected. Check that the spoke magnet is positioned correctly, and
adjust it if necessary. Check that nothing has been tam-
pered with (tuning). Drive assistance is reduced.
510 Internal sensor fault Restart the system. If the problem persists, contact your
Bosch eBike dealer.
511 Internal drive unit fault Restart the system. If the problem persists, contact your
Bosch eBike dealer.
530 Battery fault Switch off the eBike, remove the eBike battery and rein-
sert the eBike battery. Restart the system. If the problem
persists, contact your Bosch eBike dealer.
531 Configuration error Restart the system. If the problem persists, contact your
Bosch eBike dealer.
540 Temperature error The eBike is outside of the permissible temperature range.
Switch off the eBike system and allow the drive unit to ei-
ther cool down or heat up to the permissible temperature
range. Restart the system. If the problem persists, contact
your Bosch eBike dealer.
550 An impermissible load has been de-
tected.
Remove the load. Restart the system. If the problem per-
sists, contact your Bosch eBike dealer.
Bosch eBike Systems 1 270 U20 BN2 | (14.03.2023)

Bosch Active Series Specifications

General

Brand	Bosch
Model	Active Series
Category	Bicycle Accessories
Language	English