Troubleshooting; Technical Specifications - VDO M1WL Installation & Operation 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

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 years (approx. 15,000 km/9,000 mi)
Possible cause
Computer software not running
correctly after battery change
Distance from sensor to magnet too
great
Computer not properly clicked
into the handlebar bracket
Wheel circumference is set incorrectly
or to zero
Battery in the transmitter is dead
Battery dead
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 kmh,
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
Wheel circumference setting range:
From 100 mm to 3999 mm (3.9 to 157.4 inches)
M1 WL
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.
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