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on-board computer and battery against extreme tem-
peratures (e.g. from intense sunlight without ade-
quate ventilation). Extreme temperatures can cause
the components (especially the battery) to become
damaged.
Have your eBike system checked by an expert at least
once a year (including mechanical parts, up-to-date-
ness of system software).
Please have your eBike serviced and repaired by an
authorized bicycle dealer.
The bike retailer can also schedule the service based
on a mileage and/or a time period. In this case, the
on-board computer displays a message telling you
when the service date is due each time it is switched
on.
Cleaning
Do not submerge your eBike components in wa-
u
ter, or wash with pressurized hose. Your Bosch
drive unit is designed to be water tight to rain water
or non-pressure hose washing.
Keep all components of your eBike clean, especially
the battery-pack contacts and corresponding holder
contacts. All components including the drive unit may
not be immersed in water or cleaned with a high-pres-
sure cleaner. Keep all components of your eBike
clean, especially the batterypack contacts and corre-
sponding holder contacts. Clean them carefully with a
soft, damp cloth (using only mild soap and water).
After-sales service and advice on using
products
If you have any questions about the eBike system and
its components, contact an authorized bicycle dealer.
For contact details of authorized bike dealerships,
please visit www.bosch-ebike.com.
Please contact an authorized bicycle dealer if the bat-
tery is no longer working.
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The components of the eBike system are continu-
ously monitored automatically. If a fault is detected,
the corresponding fault code will appear on the on-
board computer.
The drive may also be switched off automatically de-
pending on what type of fault has occurred. You can
Code
Cause
410
One or more buttons of the on-board
computer are disabled.
414
Operating unit connection problem
418
One or more buttons on the operating
unit are disabled.
419
Configuration error
422
Drive unit connection problem
423
eBike battery connection problem
424
Communication problem between
components
426
Internal time-out error
430
Internal battery of the on-board com-
puter is flat (does not apply to
BUI350)
431
Software version error
440
Internal drive unit fault
450
Internal software error
460
Error at USB port
490
Internal fault of the on-board com-
puter
Bosch eBike Systems
Bosch eBike Systems
Troubleshooting
continue riding at any time without assistance from
the drive, but you should have your eBike checked
before completing any more journeys.
Only have repairs performed by a certified bicy-
u
cle dealer.
Corrective measures
Check whether any buttons are stuck, e.g. as a result of
dirt finding its way in. Clean the buttons if need be.
Have the connections checked
Check whether any buttons are stuck, e.g. as a result of
dirt finding its way in. Clean the buttons if need be.
Restart the system. If the problem persists, contact your
Bosch eBike dealer.
Have the connections checked
Have the connections checked
Have the connections checked
Restart the system. If the problem persists, contact your
Bosch eBike dealer. With this error, it is not possible to
bring up the wheel circumference in the basic settings
menu or to adjust it.
Charge the on-board computer (in the holder or via the
USB port)
Restart the system. If the problem persists, contact your
Bosch eBike dealer.
Restart the system. If the problem persists, contact your
Bosch eBike dealer.
Restart the system. If the problem persists, contact your
Bosch eBike dealer.
Remove the cable from the USB port of the on-board com-
puter. If the problem persists, contact your Bosch eBike
dealer.
Have the on-board computer checked
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