Status And Error Analysis - Otto Bock B 500 Instructions For Use Manual

12 Status and Error Analysis

The following table lists the different error and status messages of the battery indicator and describes their
possible causes and solutions. Users can thereby identify and remedy errors of the B 500/B 500-S power
wheelchair. If a problem cannot be solved with the following instructions, please contact your authorized dealer.
Indicator
Flashes slowly
Flashes sequentially
Flashes once every 2.5 seconds
Flashes rapidly
Fast flashing of LED 1 (red)
Fast flashing of LED 1–2
Fast flashing of LED 1–3
Fast flashing of LED 1–4
Fast flashing of LED 1–5
Fast flashing of LED 1–6
Fast flashing of LED 1–7
Fast flashing of LED 1–8
Fast flashing of LED 1–9
Fast flashing of LED 1–10
Cause
Battery is empty
Battery charger is connected.
B 500/B 500-S not ready for
operation.
Sleeping mode after long standstill
with control switched on
Safety-relevant problem
Driving function turned off
Battery empty or poor connection
to the battery
Poor connection to the left motor
Short circuit on the left motor
Poor connection to the right motor
Short circuit on the right motor
Influence by an external signal
(e.g. charging plug)
Joystick error
Error of control unit
Brake has been released
Overvoltage on the control unit
Solution
Charge as soon as possible
Remove the battery charger
Turn off and on
Turn off and on.
Turn off and on.
Check plug connections and
battery voltage
Charge the battery or check the
plug connections
Check the motor plug connection
Check the motor plug connection
Check the motor plug connection
Check the motor plug connection
Remove the charging plug
Joystick in mid-position when
turning wheelchair on
Check the plug connection
Lock the brake or check the motor
plug connection
Check the plug connection
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