8 IMpORTAnT nOTES/TROUBlEShOOTInG/FAQ
8.4 TROUBlEShOOTInG
no speed display
k Is the computer correctly clicked onto
the bracket?
k Have you checked the contacts for
oxidation/corrosion?
k Have you checked the magnet/transmitter
distance (max. 12 mm)?
k Have you checked whether the magnet
is magnetized?
k Have you checked the battery status on
the speed transmitter?
no cadence display
k Have you checked the magnet/transmitter
distance (max. 12 mm)?
k Have you checked whether the magnet
is magnetized?
k Have you checked the battery status on
the transmitter?
no pulse display
k Are the electrodes damp enough?
k Have you checked the battery status?
no display
k Have you checked the battery status on
the SIGMA ROX 8.1?
k Is the battery inserted correctly
(+ facing up)?
k Are the battery contacts ok? They
should be raised approx. 30 degrees.
(If not, bend carefully)?
Wrong speed display
k Are 2 magnets fitted?
k Is the magnet correctly positioned
(parallel to the transmitter and centered
with the transmitter)?
k Is the wheel circumference set correctly?
k Is the transmitter set on the right bicycle
(bicycle I or II)?
Display black/dull
k Is the temperature too high (> 60°C)
or too low (< 0°C)?
no synchronization
k Have you checked the magnet/
transmitter(s) distance?
k Is/are the battery/batteries on
the transmitter(s) empty?
k Have you checked the range on the
respective transmitter?
k When using a hub dynamo, please change
the position of the transmitter.
Display "TOO MAny SIGnAlS"
k Please increase the distance to the other
transmitters and press any button.
ROX 8.1
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