Troubleshooting - VDO M5 User Manual

Troubleshooting

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