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10. Troubleshooting
If there seems to be a problem with your wheelchair, check the items below before requesting a repair.
10.1 Operation and Handling
Traveling in power drive, manual drive, or by assistant
Problem
LED indication
Green flashing
Red lighted
Green flashing
Does not start
moving
Green flashing
Green flashing
Red flashing
Unable to
operate
Red lighted
Green flashing
Green flashing
Red flashing
Shortage of
power
Short travel
range
Insufficient
speed
Sluggish
manual travel
Assistant
brakes do not
work
Assistant
brakes pull to
one side
Brakes squeal
Abnormal
vibration or
noise
Buzzer
Check point
Beeps
Is the clutch lever in the manual drive
(Pi Pi Pi Pi)
position?
(4 times)
Has the battery run down?
Beeps
(Pi —)
Is the battery properly inserted?
When operated by the rider, is the
assistant controller turned on?
When operated by the assistant, is the
controller turned on?
Beeps
Are you turning on the power while the
(Pi —)
joystick is tilted?
Has the power been turned off
automatically by the auto power off
mode?
Beeps
Has the motor overheated as a result
(Pi —)
of abusive riding?
Are the parking brakes engaged on the
wheelchair?
Beeps (Pi —) Is the controller operating?
Beeps (Pi —) Is there a large load being applied?
Is there a large load being applied,
Beeps (Pi)
causing the motor to overheat?
Is the ambient temperature low?
Has the battery deteriorated?
Is the battery fully charged?
Is the ambient temperature low?
Is the wheelchair carrying heavy loads
or driving uphill?
Is the speed parameter set to the
standard?
Is the speed set to the low speed side? Adjust it to the high speed side.
Is the air pressure of the tires too low?
Are the brakes engaged on the wheelchair? Release the brakes.
Does the brake lever have too much
play?
Are both brakes adjusted evenly?
Are the brake drums damaged or are
the brake shoes worn out?
Are the brakes being applied for a long
period of time?
Is the area where the axle is mounted
loose?
Is there noise coming from the drive unit? Contact the dealer.
Is the wheelchair frame or front casters
wobbling?
What to do
Shift the clutch lever to the power drive
position.
Charge the battery. If there is no
problem with the battery, contact the
dealer.
Insert the battery properly.
Turn OFF both power switches, and then
turn on the power of the controller.
Turn OFF both power switches, and then
turn on the power of the assistant
controller.
Bring the joystick to the neutral position,
and then turn on the power. If it still
does not work, contact the dealer.
Turn off the power, and then turn it back
on.
Turn off the power. Wait a while before
resuming the ride.
Release the brakes.
Contact the dealer.
It will stop beeping once the load is
reduced.
Lighten the load so that the motor will
not overheat.
The power of the battery diminishes at
low temperatures.
Replace it with a new one or refresh the
battery.
Replace it with a new one or refresh the
battery.
The power of the battery diminishes at
low temperatures.
Heavy loads tend to shorten the travel
range.
Contact the dealer.
Inflate the tires.
Adjust the brakes.
Adjust the brakes.
Contact the dealer.
The brakes may squeal depending on how
they are being applied, but this is normal.
Tighten it or contact the dealer.
Contact the dealer.
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