Bosch Nyon BUI275, Original Operating Instructions

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English – 10 ​
1 270 020 XBN | (08.05.2018) Bosch eBike Systems
Code Cause Corrective measures
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 reinsert 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 either 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 detected. Remove the load. Restart the system. If the problem persists, con-
tact your Bosch eBike dealer.
580 Software version error Restart the system. If the problem persists, contact your Bosch
eBike dealer.
591 Authentication error Switch off the eBike system. Remove then reinsert the battery. Re-
start the system. If the problem persists, contact your Bosch eBike
dealer.
592 Incompatible component Use a compatible display. If the problem persists, contact your
Bosch eBike dealer.
593 Configuration error Restart the system. If the problem persists, contact your Bosch
eBike dealer.
595, 596 Communication error Check the wiring to the transmission and restart the system. If the
problem persists, contact your Bosch eBike dealer.
602 Internal battery fault while charging Unplug the charger from the battery. Restart the eBike system.
Plug the charger into the battery. If the problem persists, contact
your Bosch eBike dealer.
602 Internal battery fault Restart the system. If the problem persists, contact your Bosch
eBike dealer.
603 Internal battery fault Restart the system. If the problem persists, contact your Bosch
eBike dealer.
605 Battery temperature error The eBike is outside of the permissible temperature range. Switch
off the eBike system and allow the drive unit to either cool down or
heat up to the permissible temperature range. Restart the system.
If the problem persists, contact your Bosch eBike dealer.
605 Battery temperature error while charging Unplug the charger from the battery. Allow the battery to cool. If
the problem persists, contact your Bosch eBike dealer.
606 External battery fault Check the wiring. Restart the system. If the problem persists, con-
tact your Bosch eBike dealer.
610 Battery voltage error Restart the system. If the problem persists, contact your Bosch
eBike dealer.
620 Charger fault Replace the charger. Contact your Bosch eBike dealer.
640 Internal battery fault Restart the system. If the problem persists, contact your Bosch
eBike dealer.
655 Multiple battery faults Switch off the eBike system. Remove then reinsert the battery. Re-
start the system. If the problem persists, contact your Bosch eBike
dealer.
656 Software version error Contact your Bosch eBike dealer so that they can perform a soft-
ware update.
7xx Transmission fault Please observe the operating instructions provided by the trans-
mission manufacturer.