Leitner Libelle 2020 - Basic E-Bike Troubleshooting; Troubleshooting Common Faults

FigureB1:Partsofanelectricbike.Somepartsmaynotbeonyourmodel.
23
GearShifter
Handlebar
BrakeLever
Frontreflector
FrontRimbrake
Frontfork
Brakecables
Wheelreflector
Spokes
FrontHub
Valveof
innertube
HandleStem
HeadSet
HeadTube
Toptube
Seat
Seatpost
SeatQuickrelease
Seatstay
Rearreflector
Rearrimbrake
Wheelreflector
Freewheel
Seattube
Downtube
GearCable
Front
derailleur
Bottom
BracketAxle
Rim
Tyre
ChainWheel
Crankarm
Pedal
ChainStay
Chain
Rearderailleur
Gearcable
No Faults Possible Causes Common Solutions
1
Bike does not work
although there is
power to Display
1)Brakes are engaged
2)Loose motor wire
connector
3)Loose wire
4)Broken wire
5)Throttle or pedal assist sensor
faulty
1)Disengage brakes
2) Check motor wire connector
3) Check all connectors
4) Inspect all wires
5) Replace throttle or pedal assist
sensor
2
Bike does not work
(no power to
display)
1)Battery not installed correctly
2)Battery empty
3)Battery not switched on
4)LCD Display not switched on
5)Loose connections
6)Fuse blown
1) Install Battery correctly
2) Charge battery
3) Switch battery on
4) Switch display on
5) Check all wire connections
6) Replace fuse
3
Bike has reduced
speed and/or
range
1) Low batteries
2)Faulty batteries
3)Low tire
pressure
4) Brakes dragging against rim or
disc
1)Charge batteries for
recommended time
2) Replace batteries
3)Inflate tires to
recommended pressure
4) Adjust brakes and/or rim
4
Bicycle has
intermittent power
1)Loose connectors
2) Loose fuse
3) Damaged wire
1) Check all connectors
2) Check fuse connector
3) Inspect all wires
5
Charger light does
not operate
1)Power outlet faulty
2)Charger is not plugged to
wall or battery properly
3)Charger light or charger is faulty
1) Try another outlet
2) Check all plugs
3) Replace charger
6
Charger completes
charging in an
unusually short
amount of time
1) Faulty charger
2) Faulty battery
1) Replace charger
2) Replace battery
7
Strange noise
from wheel and
motor
1)High-pitched “ticking” noise due
to loose spokes which disappears
when wheel is off ground and spun
by hand
2)Motor internal gears damaged
3)Motor damaged
4)Loose bolts
1) Adjust spoke tension
2) Replace internal motor
gears
3) Replace motor
4) Tighten all bolts
Partsofanelectricbike
Basictrouble‐shootingguide
©LeitnerPtyLtd2019