light for too long. Cool down the display
temperature until the operating temperature
(0 °C to 55 °F / 32 °C to 131 °F) is reached.
Problem: Grinding of the electronic puck
against the wheel.
Solution A:
Check whether the distance
ring D in picture 1 is installed correctly bet-
ween the bearing and the computer puck.
Solution B:
Your bearings are worn out.
Replace bearings. We recommend at least
ABEC-1 quality.
Problem: The displayed actual speed
seems not to be realistic.
Solution A:
The transmission may have
been interrupted for a short time. Such
an interruption has no significance for
the accuracy of the measurement of the
distance, as long as the interruption is
for no longer than 1 kilometre.
Solution B:
The underlying wear-out
6. Troubleshooting
Problem: Nothing appears on the display.
Solution:
Press
MODE
, if the display
remains blank replace batteries of the
display and the electronic puck and press
MODE
again.
Problem: Display readings fade out.
Solution:
The Batteries of the watch and
the electronic puck are running out and
need to be replaced.
Problem: Slow display response.
Solution:
The current temperature is
higher or lower than the operating
temperature of the speedometer
(0 °C to 55 °F / 32 °C to 131 °F).
Problem: Black display.
Solution:
Temperature is too high, perhaps
the display has been exposed to direct sun-
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