Reason analysis and
elimination methods
The connection between the battery and the
controller is not correct. Re-connect it after
inspection.
The battery voltage is too low. If the indicator
still does not light up after the battery is
charged, the battery may have reached the
end of its service life. Please replace the
battery.
If the controller breaks down, contact the
dealer, manufacturer or after-sales service
department.
Description
of faults
No.
1
Most electric wheelchair faults are related to the battery, motor and
controller.
The power
indicator does
not light when
the controller
power button is
pressed
The connector contact between the battery
and the controller is not reliable. Please
insert it again.
The contact resistance between the battery
connection is large; if the contact resistance
is not large, the contact surface may be
oxidized or loosened. Remove the oxide
layer or install the connector properly.
If the battery voltage is too low, it indicates
that the battery has reached the end of its
service life. Please replace the battery.
2
Low battery
voltage
The battery's charging voltage is too large.
The voltage should not exceed 29.4V after
charging is completed.
3
High battery
voltage
The connector of the motor and the
controller is not connected reliably. Please
connect it again.
4
The motor
does not work
10. Electromagnetic Compatibility
This product complies with the requirements of the related content in
the EMC (electromagnetic compatibility) Standards YY0505-2012
and GB/T18029.21 for the safe use of medical electrical equipment.
The EMC Standards were developed for the safe use of medical
appliances, and prescribe that the electromagnetic interferences from
electromagnetic waves generated by appliances to other equipment
and the electromagnetic interferences from other devices (mobile
phones etc.) shall be controlled within a certain range. YY0505-2012
specifies that the details of the EMC environment for the safe
Reason analysis and
elimination methods
If the motor breaks down, contact the dealer,
manufacturer
or
after-sales
service
department.
The motor connector is not connected
reliably. Please connect it again.
The electric brake coil is damaged.
Description
of faults
No.
5
Motor brake
failure
The connector of the motor and the
controller is not connected reliably. Please
connect it reliably again.
The battery has reached the end of its
service life or the charger is damaged.
Please replace the battery or charger.
6
No charging
indication
22
23
The battery is not charged fully. Please
charge the battery again.
The battery is approaching the end of its
service life. Please replace the battery.
Trip distance is
shortened after
charging
7
4
The motor
does not work
