Maintenance; Speed Sensor Check - Urban Arrow Family Gebrauchsanweisung

6
Never submerge the battery in water or clean using a jet
of water. Danger of short-circuiting which may pose a fi re
hazard.
6
The gear hub and grip shifter are sealed and well protected
from the external environment. However, never use water
under pressure (such as pressure washers or water jets)
when you clean these parts to prevent malfunctions due to
water penetration.
1
Never use aggressive cleaners on any of the parts of your
e-bike. This may cause permanent damage to the bike.
8 . 2

Maintenance

8 . 2 . 1 Speed sensor check

In order for the speed sensor to function:
1 . The clearance between the speed sensor 28 and its speed
sensor magnet 29 needs to be at least 5 mm, yet no more
than 17 mm after a turn of the wheel (see image 34 ).
See later in this paragraph for information on how to adjust
the clearance if necessary.
2 . The speed sensor needs to be connected properly.
2
Contact your Urban Arrow dealer in case the speed sensor is
not connected properly.
User manual
Image 34 : Distance between the speed sensor and the speed sensor
magnet
The speed indication on your display will fail in case the speed
sensor doesn't function properly. The text ' error 503 ' will appear on
the screen of your display.
2
Cycling remains possible when the speed sensor doesn't
function, but there will be no pedalling assistance as the
electrical drive unit will be turned off automatically while
functioning in this error mode.
Adjusting the clearance between the speed sensor magnet and the
speed sensor is done as follows:
1 . Loosen the screw of the speed sensor magnet 30 by turning it
counter clockwise.
2 . Position the speed sensor magnet 29 in such a manner that
it runs past the mark of the speed sensor at the correct
EN
51