Bosch Nyon BUI350 - Page 35

English – 15
Code Cause Corrective measures
situation, e.g. riding solely on the rear
wheel
830 Fault in the wire to the rear wheel speed
sensor
Contact your Bosch eBike dealer.
831
833 to 835
Implausible signals from the rear wheel
speed sensor
The sensor disc may be missing, defective
or fitted incorrectly; there is a significant
difference in diameter between the front
wheel and the rear wheel; extreme riding
situation, e.g. riding solely on the rear
wheel
Restart the system and carry out a test ride lasting at least two
minutes. The ABS indicator light must go out. If the problem per-
sists, contact your Bosch eBike dealer.
840 Internal ABS fault Contact your Bosch eBike dealer.
850 Internal ABS fault Contact your Bosch eBike dealer.
860, 861 Fault in the power supply Restart the system. If the problem persists, contact your Bosch
eBike dealer.
870, 871
880
883 to 885
Communication error Restart the system. If the problem persists, contact your Bosch
eBike dealer.
889 Internal ABS fault Contact your Bosch eBike dealer.
890 ABS indicator light is defective or missing;
ABS may not be working.
Contact your Bosch eBike dealer.
No
display
Internal fault of the on-board computer Restart your eBike system by switching it off and back on.
Bosch eBike Systems 1 270 020 BN2 | (18.03.2020)