5. System Diagnostics
18
Description of LED
light
Interpretation
Issue/Solution
All LED lights are off, there is no
sound
The power has been turned off,
wheelchair is in standby or sleep
mode
Power is not connected
There may be a short fuse or
burned out
All LED lights are lit
The power is turned on and
self-diagnostics are in working
mode
None
LED lights are partially off
Lights are indicative of the
amount of battery power left
Lights being partially off indicates
partial battery power
The leftmost red LED light is lit
The battery power is very low
Unit should be charged before
use or battery is malfunctioning
and is not able to take charge
Two short beeps, LED lights
blinks twice
The left motor is malfunctioning
The left motor connection may be
broken, or the wire may be dis-
connected
Three short beeps, LED lights
blinks three times
The left magnetic brake is mal-
functioning
The left magnetic brake connec-
tion is broken, or the wire may be
disconnected
Four short beeps, LED lights
blinks four times
The right motor is malfunctioning The right motor connection is
broken, or the connecting wire
may be disconnected
Five short beeps, LED lights
blinks five times
The right magnetic brake is mal-
functioning
The right magnetic brake connec-
tion is broken, or the connecting
wire may be disconnected
Six short beeps, LED lights blinks
six times
Controller has entered high-cur-
rent protection status
Check the brakes and the motor drive mecha-
nism to ensure it is not stuck. Check the cur-
rent by ammeter, and if the current is not too
high your controller may be malfunctioning.
(Overload of the controller)
Seven short beeps, LED lights
blinks seven times.
Joystick is malfunction
Joystick doesn’t reset, or the con-
nector is loose
Eight short beeps, LED lights
blinks eight times
Controller may be malfunctioning Please consult your dealer for
maintenance (Failure of the con-
troller itself)
Nine short beeps, LED lights
blinks nine times
Controller may be malfunctioning
Please consult service center for
maintenance (Failure of the con-
troller)