English – 5Error code displayThe eBike system's components are continuously and auto-matically monitored. If an error is detected, the correspond-ing error code is displayed on the on-board computer.The drive may be automatically shut down, depending on thetype of error. However, if you wish to continue cycling, youwill always be able to do so without assistance from thedrive. Before undertaking any other journeys, the eBikeshould be checked.u Have all repairs performed only by an authorised bikedealer.Code Cause Corrective measures410 One or more buttons of the on-board com-puter are disabled.Check whether any buttons are stuck, e.g. as a result of dirt findingits way in. Clean the buttons if need be.414 Operating unit connection problem Have the connections checked418 One or more buttons on the operating unitare disabled.Check whether any buttons are stuck, e.g. as a result of dirt findingits way in. Clean the buttons if need be.419 Configuration error Restart the system. If the problem persists, contact your BoscheBike dealer.422 Drive unit connection problem Have the connections checked423 eBike battery connection problem Have the connections checked424 Communication problem between com-ponentsHave the connections checked426 Internal time-out error Restart the system. If the problem persists, contact your BoscheBike dealer. With this error, it is not possible to bring up the wheelcircumference in the basic settings menu or to adjust it.430 Internal battery of the on-board computeris flat (does not apply to BUI350)Charge the on-board computer (in the holder or via the USB port)431 Software version error Restart the system. If the problem persists, contact your BoscheBike dealer.440 Internal drive unit fault Restart the system. If the problem persists, contact your BoscheBike dealer.450 Internal software error Restart the system. If the problem persists, contact your BoscheBike dealer.460 Error at USB port Remove the cable from the USB port of the on-board computer. Ifthe problem persists, contact your Bosch eBike dealer.490 Internal fault of the on-board computer Have the on-board computer checked500 Internal drive unit fault Restart the system. If the problem persists, contact your BoscheBike dealer.502 Bike light fault Check the light and the associated wiring. Restart the system. Ifthe problem persists, contact your Bosch eBike dealer.503 Speed sensor fault Restart the system. If the problem persists, contact your BoscheBike dealer.504 Speed signal distortion detected. Check that the spoke magnet is positioned correctly, and adjust itif necessary. Check that nothing has been tampered with (tuning).Drive assistance is reduced.510 Internal sensor fault Restart the system. If the problem persists, contact your BoscheBike dealer.511 Internal drive unit fault Restart the system. If the problem persists, contact your BoscheBike dealer.530 Battery fault Switch off the eBike, remove the eBike battery and reinsert theeBike battery. Restart the system. If the problem persists, contactyour Bosch eBike dealer.531 Configuration error Restart the system. If the problem persists, contact your BoscheBike dealer.Bosch eBike Systems 1 207 020 XBP | (11.03.2020)23