27
M2.1 WL
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
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 not correctly set
or is at 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.
Technical specifications
Computer:
Approx. 49 H x 38 W x 16 D mm
Display:
H approx. 39 mm, W approx. 29 mm
Computer weight:
Approx. 28 g
Handlebar bracket weight:
Approx. 10 g
Speed transmitter weight:
Approx. 20 g
Computer battery:
3V, type 2032
Computer battery service life:
Approx. 1 year (approx. 10,000 km/6,000 mi)
Speed transmitter battery:
3V, type 2032
Speed transmitter battery life:
Approx. 1.5 year (approx. 15,000 km/9,000 mi)
Wireless transmission ranges:
Speed transmitter: 75 cm
Temperature indicator range on the display:
-20°C to +70°C/ -4°F to +158°F
Speed range for wheel size 2,155 mm:
Min 2.5 km/h,
Max 199 km/h
Ride time measurement range:
Up to 99:59:59 HH:MM:SS.
Trip distance odometer measurement range:
Up to value 999.99 km or mi
Total km measurement range:
Up to value 99,999 km or mi
Total ride time measurement range:
9999:59 HHHH:MM
Calorie measurement range:
Up to value 99.999 calories
Total calorie measurement range:
Up to value 99.999 calories
Wheel circumference setting range:
From 100 mm to 3999 mm (3.9 to 157.4 inches)
