Sigma BC 509 - Trouble Shooting

7.2 Trouble Shooting
KMH no display
kOld handlebar bracket with wireless
transmission (RDS) used?
kSleeve pushed over magnet?
kComputer correctly slotted into
mounting bracket?
kCables checked for breaks?
kContacts checked for oxidation/
corrosion?
kDistance between magnet and
sensor (max. 5 mm)
kChecked whether magnet is
magnetised?
No Display (screen blank)
kCheck Battery
k Battery inserted correctly
(plus and minus)?
k Battery contact ok? (bend carefully!)
KMH wrong display
k2 magnets installed?
k Magnet positioned correctly?
k Wheel size set wrongly?
k Correct handlebar bracket fitted if
changing bikes?
Display black/changes slowly?
kTemperature too high (>60°C)
or too low (<0°C).
GB
US
38