English – 20
The eBike's components are continuously and auto-
matically monitored. If a fault is detected, the corre-
sponding fault code will appear on the on-board com-
puter.
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
1 270 U20 XBK | (11.03.2024)
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
Bosch eBike Systems