Trouble Shooting
No
Faults
Causes
Troubleshooting
1
Battery gauge lights up
but bicycle does not
operate
1)Power cord is not properly plugged into
battery2)Brake cut-off engaged or faulty3) Speed
sensor adjusted too low4) Blown fuse5)Loose motor
wire connector6)Loose connectors7) Broken
wire8)Throttle disengaged or faulty
1) Properly plug in power cord to battery2) Disengage brake
cut-off or replace3) Adjust speed sensor4) Replace fuse5)
Check motor wire connector6) Check all connectors7) Inspect
all wires8) Engage throttle or replace
2
Bicycle operates but
battery gauge does not
light up
1)Loose connectors2) Damaged wires3) Faulty battery
gauge
1) Check throttle connectors2) Inspect all wires3) Replace
battery gauge
3
Bike has reduced speed
and/or range
1) Speed sensor is not adjusted2) Low batteries3)
Faulty batteries4)Low tire pressure5) Brakes dragging
against rim
1) Adjust speed sensor2)Charge batteries for recommended
time3) Replace batteries4)Inflate tires to recommended
pressure5) Adjust brakes and/or rim
4
Bicycle has intermittent
power
1)Loose connectors2) Loose fuse3) Damaged wires
1) Check all connectors2) Check fuse connector3) Inspect all
wires
5
Charger light does not
operate
1)Power outlet faulty2)Charger is not plugged to wall
or battery properly3)Charger light or charger is faulty
1) Try another outlet2) Check all plugs3) Replace charger
6
Charger completes
charging in an unusually
short amount of time
1) Faulty charger2) Faulty batteries
1) Replace charger2) Replace batteries
7
Chain jumping off
freewheelsprocket or
chain ring
1) Chain ring out of true2) Chain ring loose3) Chain
ring teeth bent or broken4) Rear or front derailleur
side-to-side travel out of adjustment
1)Re-true if possible, or replace2)Tighten mounting
bolts3)Repair or replace chain ring/set4) Adjust derailleur
travel
8
Gear shifts not working
properly
1) Derailleur cables
sticking/stretched/damaged2)Front or rear derailleur
not adjustedproperly3)Indexed shifting not adjusted
properly
1) Lubricate/tighten/replace cables2) Adjust derailleur3)
Adjust indexing
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