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OS 1.1
17
Troubleshooting
If a malfunction occurs, check the following items before contacting a dealer for service.
Trouble Check items Remedy
The FORMAT YES/NO prompt does not appear.
Are the two MODE buttons held down firmly?
Ensure to hold down the two MODE/SELECT button for two more seconds after pressing and releas-
ing RESTART button.
The liquid crystal screen appears dark or there are some dark spots.
Was it left for a long time under direct sunlight?
It will go back to normal after a few hours once it is out of the sunlight. Data will not be effected.
Display response is slow.
Was the ambient temperature too low [below 0°C (32°F)]?
It will go back to normal when the temperature rises. Data will not be effected.
No display
Is the computer asleep?
Push a button to wake up. Push Restart if buttons do not respond. Computer could be frozen.
Is the battery worn out?
Replace the battery with a new one (CR2032). After the battery is replaced, be sure to press RE-
START button.
Meaningless display appears.
Press RESTART button.
Current Speed is not working properly.
Check if the wire is broken or damaged.
Replace the bracket sensor set with a new one.
Check the clearance between the speed sensor and the magnet.
Check if the mark line of the speed sensor and the magnet is aligned.
Adjust the positions.
Check if there is any object on the contacts of the main unit or the bracket.
Clean contact. Main unit is often stained with sweat. Periodically wash it with mild soap and wipe dry.
Measurement does not stop even though START/STOP button is pressed.
Is the Auto Mode on?
When the Auto Mode is on, START/STOP button does not start or stop measurement. Turn the Auto
Mode off. (Refer to "Auto mode" in page 16.)
The size of the figures on the screen is reduced.
When the bigger font size is selected (100%, 70%, 50%), and if the number of digits for trip distance
and total distance exceed the maximum number of digits, the size is automatically reduced to fit on the
screen.
The last ride day data is not correct.
Is the clock time setting correct?
The last ride day data is saved when the clock time passes the midnight. Therefore, if your clock is not
correctly set, the data shown will be incorrect.
Is the unit measuring?
The last ride day data is not updated unless it newly measures data. (See page 10.)