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1 270 U20 XBK | (21.06.2018) Bosch eBike Systems
Code Cause Remedy
603 Internal battery fault Restart the system. If the problem persists, contact your
Bosch eBike dealer.
605 Battery temperature error The eBike is outside the tolerable temperature range.
Switch the eBike system off to let the drive unit cool down
or warm up to a tolerable temperature. Restart the system.
If the problem persists, contact your Bosch eBike dealer.
605 Battery temperature error during
charging
Disconnect the charger from the battery. Leave the battery
to cool down. If the problem persists, contact your Bosch
eBike dealer.
606 External battery fault Check the wiring. Restart the system. If the problem per-
sists, contact your Bosch eBike dealer.
610 Battery voltage fault 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 the eBike system off. Take the battery out and put it
back in. Restart the system. If the problem persists, con-
tact your Bosch eBike dealer.
656 Software version error Contact your Bosch eBike dealer and ask them to update
the software.
7xx Gearbox fault Please read the operating manual provided by the gearbox
manufacturer.
Display is
blank
Internal fault in the on-board com-
puter
Switch your eBike system off and on again.
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