Ottobock | 67
B400
7.4.2 Wheelchair control unit fault overview
Flashing LED
Warning/Fault
Cause
Possible corrective action
Battery under voltage
Battery deep discharge
Battery cable malfunctioning
/ faulty connection to the bat
tery
Charge as soon as possible
Check the connection to the battery
(charge the battery if the connection
is good)
Wiring fault on the left motor
Defective motor
e.g. faulty plug connection
Check connection to the left motor
Check the motor
Short circuit on the battery con
nection to the left motor
e.g. cable break
Check battery connection to the left
motor
Wiring fault on the right motor
Defective motor
e.g. faulty plug connection
Check connection to the right
motor; Check motor
Short circuit on the battery con
nection to the right motor
e.g. cable break
Check battery connection to the
right motor
Driving function locked out due
to external influences
Battery charger may be con
nected
Disconnect battery charger
Joystick fault
Joystick is not in the home
position when the unit is
turned on
Move the joystick to the zero posi
tion before turning the unit on
Controller fault
Defective controller
Check all connections
Brake release
Brake disabled
Check motor brakes
Check connection to the controller
Maintenance/Repair
Summary of Contents for B400b400
Page 1: ...Instructions for Use User B400...
Page 2: ......