26
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Wheels
• Check that the wheels sit straight
and are tightly screwed onto the fork
dropouts.
• Wipe the rims with a soft, damp cloth.
• Check the tyres for cracks and cuts.
• Check the air pressure in the tyres.
• Check that the spokes are not
damaged or loose.*
• Check
the straightness
of the wheels.*
• Check
the rims for
wear and
tear.*
• Check that
the hub of
each wheel is
not loose or is
sluggish.*
• Clean and
lubricate
the wheel
bearings.*
• Check
the tension of
the spokes.
Battery
• Make sure the battery is fully charged.
• Make sure that the battery is securely
fastened and that the key has been
removed from the lock.
• Maintenance
charge your
battery when not
in use.
Reflectors
and lighting
• Make sure that the reflectors are
clean, in one piece and screwed on
tightly.
• Make sure that the lights are clean and
working properly.
*Repairs should be done by a specialist using special tools.
Troubleshooting guide
Problem
Cause/action
Electronic
components
The motor does not turn on when
I pedal, even when the battery and
display is on.
• Check that the selected level for motor assistance is 1−4.
• Check that the plugs between the motor and the battery are
properly connected.
• Check that the plug surface areas are clean and free of
grime, clean them if necessary with contact cleaner.
• Check the position of the pedal assist sensors position
against the magnetic disc.*
The display on the handlebars fails
to turn on even though the battery
is on.
• Make sure the plug to the display is properly connected.
• Check that the battery is inserted correctly and is charged.
The motor sounds choppy/uneven.
• Check the position of the pedal assist sensors position
against the magnetic disc.*
• Check the brakes for proper functioning.
The battery does not charge.
• Measure the battery capacity with a measuring instrument.
It should read 36 V.
Frame, front
fork and critical
components
A knocking noise comes from the
front part of the bike, especially when
braking with the front brakes and
when I cycle on an uneven surface.
• Check that the steering stem bearing is not loose.*
• Check that the wheel nuts on the front wheel are tight.
• Check that the hub of the wheel is not loose.*
• Check that all nuts and screws in the steering are tight.
• Check the frame and front fork for cracks.*
The battery lock does not work when
I have inserted the battery onto the bike.
• Check that the battery is properly inserted into the battery
compartment.
Brakes
The rim/hand brakes squeal when
braking.
• Wash the rims and the brake pads.
• Adjust the position of the brake pads (refer to the
Brakes
paragraph in the
Settings and adjustments
section.
• Replace the brake pads.
Noise comes from the rim/hand brakes
when I am not braking.
• Adjusting the brakes.
• Check the wheel position on the fork dropouts.
• Check the straightness of the wheels.*
No or poor brake power from the
rim/handbrakes.
• Wash the rims and the brake pads.
• Adjust the brake pads.
• Replace the brake pads.
The hand brake function is slow/feels
stiff when I brake.
• The spring tension needs adjusting on the brake arms.
• Lubricate or replace the brake wires and housing.*
The foot brake creaks/makes a noise
when I brake suddenly.
• The braking mechanism in the rear hub needs adjusting.*
Steering
It is difficult to steer.
• Check the steering stem bearing.*
Summary of Contents for 18-1487
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