S501 20
” Electric
Folding Bicycle
©2019 MONSTERPRO
17
3.
Front forks or frame bent.
3.
Straighten.
Motor "clicks" / has
reduced power and/or
shuts off
1.
Under-charged battery.
2.
Motor internal fault.
1.
Charge battery. Follow battery care procedures.
2.
Replace.
No power when pedal
assistance switched ON
1.
Blown fuse.
2.
Loose connectors / wiring damage.
3.
Faulty switch.
4.
Faulty controller.
1.
Replace.
2.
Check connectors / wiring. Replace as required.
3.
Replace.
4.
Replace.
Pedal assistance OK, but
no display
1.
Loose connectors / wiring damage.
2.
Faulty controller.
1.
Check connectors / wiring. Replace as required.
2.
Replace.
Display OK, but no pedal
assistance
1.
Loose motor connectors /
wiring damage.
2.
Poor contact at battery terminals.
3.
Faulty braking sensor.
1.
Check connectors / wiring. Replace as required.
2.
Inspect and clean terminals.
3.
Replace.
Bicycle runs at full speed
without pedalling
1.
Faulty crank sensor.
2.
Faulty throttle.
3.
Faulty controller.
1.
Replace.
2.
Replace.
3.
Replace.
Throttle (if equipped) not
returning to neutral
position
1.
Grip jamming against throttle.
2.
Faulty throttle.
1.
Reposition grip so gap to throttle is 1 to 2mm.
2.
Replace.
Pedal assistance operating
intermittently or not as
expected
1.
Loose connectors / wiring damage.
2.
Faulty controller.
3.
Faulty crank sensor.
4.
Faulty throttle.
1.
Check connectors / wiring. Replace as required.
2.
Replace.
Charger shows "full
charge" in an unusually
short amount of time
1.
Faulty charger.
2.
Faulty batteries.
1.
Replace.
2.
Replace.
Charger indicator not
illuminating when
charger is plugged into
outlet
1.
Outlet has no power.
2.
Faulty charger.
1.
Check charger plugged in and electrical supply ON.
2.
Replace.
Charger indicator flashes
red and never changes to
green
1.
Damaged wire from charger to battery.
2.
Faulty batteries.
1.
Replace charger.
2.
Replace.