03/2010
B500 | B500-S
Page 145
Failures/Troubleshooting
ATTEnTIOn !
Uncontrolled movements can occur during the
operation of the power wheelchair as a result
of malfunction. In this case, please contact
your authorised dealer immediately.
An error affects one or several functions of the power
wheelchair. The system is not fully operational until the
error has been eliminated.
9.3 Defect/failure
A defect represents a serious failure of a system com-
ponent.
After elimination of the fault, the system will be re-acti-
vated by re-starting it.
A failure represents the most serious kind of fault possi-
ble and results in an immediate emergency stop of the
system.
Display symbol(s) Error/warning
cause
Communica-
tion error (flash
alternatingly)
Faulty connec-
tion between
hand control
device and
controller/
defective
cabling,
software or
hardware
Battery:
under voltage
Total dis-
charge of
battery/charge
as soon as
possible
Battery:
over voltage
Voltage too
high (after
completed
charging
process and
downhill drive)
Fault with seat
tilt motor
Faulty cabling
or plug con-
tact, defective
actuator
