if there’s no resistance need adjust brake cable and disk brake
，
if still can not
solve please contact service center.
26.
Q
：
Why the unit can not be charged
？
A
：
Two possibilities
：
1) charger malfunction
：
plug the charger to power
，
do not connect to the unit
，
observe the indicator
，
if no light or red light that means charger malfunction
，
need to replace a new one.
2) Battery overdischarged
：
if the unit have not charged for a long time
，
it maybe
show up battery overdischarged
，
need contact service center.
27.
Q
：
How to solve dashboard no light
？
A
：
Need remove the stem to check if the connection cable is loose
，
if loose you
should fasten the cable
，
if not please contact service center
28.
Q
：
Why does taillight not bright?
A
：
You need check if the connection cable is loose
，
if not please contact service
center
29.
Q
：
How to solve the wheel not stable while riding
？
A
：
It maybe caused by inner tire didn’t place to the right place or motor problem
，
both need contact service center.
30. Q
：
Where can I purchase spare parts after the warranty period?
