VOLTAG Fold - Troubleshooting

15
16
Fold series
www.ridevoltag.com
Troubleshooting
Users can do self-checking and troubleshooting when experiencing
below situations.
Problem
Possible Cause Corrective action
The power indicator on
the display flashes
The pedals are turning
when riding
Bike making noises
The voltage of the battery is in
an undervoltage condition
Screws may be loose on some
parts
Abrasion between XQ¿[Hd and
¿[Hd parts
Flywheel may be damaged or
not lubricated
The chain is too tight
The brake pads are rubbing
against the rotor
The air pressure of the tires is
too low
The transmission parts are not
ÀH[LEOe when not well lubricated
The bottom bracket pedal part
is not ÀH[LEOe enough or the
chain is too tight
The charger disconnected from
the wall outlet
The charger disconnected from
the bike
Tire pressure is too low
Battery didn’t charge completely
Old or damaged battery
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 tension
,QÀDWe the tire
Clean and lubricate
Check the corresponding part
and add oil or adjust the
tightness of chain
Check the connection
Check the connection
,QÀDWe the tire
Recharge
Replace the battery
Transmission parts are not
well lubricated
Change the bearing or add
lubricating oil
It’s hard to pedal the
bike
The battery can not be
charged
Max mileage reduced
after once charging
Problem
Possible Cause Corrective action
Max mileage reduced
after full charge
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
The crank is spinning
or loose
Too much oil on the freewheel Clean the freewheel
Freewheel bearing is too Adjust the bearing of the
tight
freewheel
The saddle is unclamped or
nuts are loose
The screw/nut under the saddle
is loose
Adjust or tighten the saddle,
tighten the clamp screw
Adjust the saddle
,
tighten the
screw/nut if loose
The saddle moving up
and down or side to
side
The front wheel is
shifting or shaking
The screw nut is loose on front
axle
Handlebar bolts are loose
inside the handlebar
Front fork stem is
loose
Tighten the nut on front axle
Tighten the bolts
Adjust the front stem bolt