
CITY LITE Model Version 1.0
9
7.
Troubleshooting & Diagnostics
The following represents the most common questions asked about the CITY LITE with regard to everyday
use; check this helpful guide or the operator’s manual for more information if you have a question about
using your CITY LITE:
Question
Possible Causes
Answer
Why is there NO
POWER to the CITY
LITE?
1. Controller system power
is not connected.
2. Controller system CPU
and joystick are not
connected.
3. Battery power is too low.
1. Connect the Battery.
2. Ensure all connections between
Joystick, CPU and Battery are
securely tightened.
3. Charge the Battery.
Why is the CITY LITE
noisy or vibrating when
turning?
1. Speed is set too low.
2. Motor is damaged.
1. Raise the speed. At low
speeds, the motor may sound
or feel strained.
2. Replace the motor.
Why can’t I remove the
battery?
1. The battery must be
unplugged before
removing.
1. Unplug the battery wire harness
located on the back of the
wheelchair.
Why is the driving
distance shorter than
normal?
1. Chair is being operated at
below 0 degrees Celsius.
2. Chair is being driven on
uneven surfaces, rough
terrain or slopes often.
1. This is a normal characteristic
of Lithium material in a battery
when operating at a cold
temperature.
2. Energy consumption increases
on uneven surfaces, rough
terrain or slopes. This is
normal.
Why can’t I charge the
battery?
1. Charger light does not
turn on.
2. Charger light is always
green.
3. Charging time is stopped
before full charge is
complete.
1. Replace the charger.
2. Battery is not connected, or
may need to be replaced.
3. Capacity of the battery has
decreased over time. Replace
the battery.
Why can't I connect the
Controller?
1. Connector pins (male) on
the controller have
become bent and
misaligned with connector
holes (female) on CPU
connector.
1. Using a small tool, carefully
straighten the connector pins
(male) on the Controller to align
with holes (female) on the CPU
connector.