VDO M5WL - Manual (Page 58)

58
M5
Troubleshooting
Error Possible cause Correction
Half segments on the display
(e.g. after a battery change) Computer software not running
correctly after battery change Remove and re-insert the battery
No speed displayed Distance from sensor to magnet too
great or magnet not correctly aligned
with the sensor position Correct the sensor and magnet positions
No speed displayed Computer not properly clicked into the
handlebar bracket Insert the computer into the handlebar
bracket and rotate it as far as possible
(“click”)
No speed displayed Wheel circumference is set incorrectly
or to zero Set the wheel circumference
No speed displayed Battery in the transmitter is dead Replace the battery in the transmitter
Display becomes weak Battery dead Check the battery, replace if nec.
No heart rate displayed Heart rate sensor has not been selected. Select the heart rate sensor from the
sensor selection area
No heart rate displayed Heart rate sensor has not been paired Activate the heart rate sensor, correctly
position the heart rate chest belt on your
body. Insert the computer into the
handlebar bracket, heart rate symbol
flashes to indicate pairing
No heart rate displayed Battery in the heart rate chest belt is
dead Replace the battery in the heart rate
chest belt
No cadence displayed Cadence sensor has not been paired Activate the cadence sensor, insert the
computer into the handlebar bracket,
cadence symbol flashes to indicate
pairing
No cadence displayed Battery in the cadence transmitter is
dead Replace the battery in the cadence
transmitter