Common troubleshooting
Users can do self-checking and troubleshooting when experiencing
below situations .
Fault phenomenon
Fault phenomenon
Fault judgment
Fault judgment
Troubleshooting
Troubleshooting
The power indicator on
meter flashes
The pedals are turning
when riding
Abnormal sound from
the bike
The voltage of the battery is in
an undervoltage condition
Screws may be loose on some
parts
Abrasion between unfixed and
fixed parts
Flywheel may damaged or with
oil on
The chain is too tight
The brake system is locked or
rubbed against
The air pressure of tires is not
enough
The transmission parts are not
flexible when lack of oil
The bottom bracket pedal part
is not flexible enough or the
chain is too tight
The charging socket may fall off
or with poor connected
Battery connection may fall off
or with poor connected
Tire pressure is not enough
Charging is not full
The battery is aging
Charge the bike immediately
Fasten every screw
Check if the corresponding part
is shifted then adjusted it
Lubricating it after cleaning
Moderately adjust the tightness
of the chain
Adjust the brake system
Inflate the tire
Check and add oil
Check the corresponding part
and add oil or adjust the
tightness of chain
Replace the socket or check the
connection
Check the battery connection
Inflate the tire
Recharging
Inspect the battery
Transmission parts are not
flexible
Change the bearing or add
lubricating oil
It feels toilsome while
pedaling
The battery can not be
charged
Max mileage reduced
after once charging
Max mileage reduced
after once charging
Riding roads with many uphills
or ride against wind, or with
frequently braking and starting
The brake system is locked or
rubbed against, or the chain is
too tight or lack of oil
Adjust brake lever or add oil on
chain
Recommended to avoid this
operation
The crank is spinning or
loosing
Too much oil on the freewheel
Clean the freewheel
Freewheel rolling bearing is too
tight
Adjust the bearing of the
freewheel
The saddle is clamped or nut is
loosed
The screw/nut under the saddle
is loose
Adjust or tighten the saddle ,
tighten the screw nut .
Adjust the saddle, tighten the
screw/nut if loose.
The saddle is up and
down or shifting
The front wheel is shifting
or shaking
The screw nut is loose on front
axle
Collision for handlebar and front
fork, bolt is loose inside the
handlebar
Front fork stem or fork leg is
loose
Tighten the nut on front axle
Tighten the bolt
Adjust the front stem or fork leg
ALFA Serie
Beyond fashion, better know you!
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