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Troubleshooting
BR/BD 75/140 R, BR/BD 90/140 R
New Unit Information 03.2004
Faults with text in the
display
Corrective measures
overload
brake
– Check/adjust front wheel brake.
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
faults.
select traction dir.
– Select the required direction of travel/movement.
accelerator yy
The two-digit code (yy = 01 or 02) provides information about
the cause of the fault. The following apply in both cases:
– Check the voltage supply to the drive sensor at
connector X6 on the main control printed circuit board
between the contacts 1 and 2. Specified value see
chapter drive sensor.
– With the pedal at rest, check the sensor voltage at the
connector X6 between the contacts 1 and 3.
Specified value see chapter drive sensor.
– Check connector for good contact/replace if necessary.
– Check/replace drive sensor.
error!
watchdog
– Remove test connector on the printed circuit board.
– Replace the main control printed circuit board.
EMERGENCY STOP
EMERGENCY STOP
The fault display only appears if the key switch is turned to
position "0" while the unit is moving or the battery connector
is pulled out.
– Turn key switch to position "1".
– Insert battery connector.
battery
empty -> charge!
The deep discharge protection voltage has been reached.
The cleaning operation cannot be started up.
Drive motor, lighting and horn are still ready for operation.
– Move unit to the charger and charge the battery.
battery
critically low!!
More than the permissible battery capacity has been
extracted. The entire unit is switched off.
The unit can no longer be operated.
– Unlock the front wheel brake manually and push the unit
to the battery charger.
Attention: The machine no longer has any braking effect!
– Charge the battery.
error!
dashboard
When switching on the key switch the machine automatically
checks whether the instrument panel printed ciruit board is
functional or whether a push-button is depressed while
switching on.
– Do not press any of the push-buttons when switching
the unit on with the key switch.
– Replace the instrument panel printed circuit board if the
display text remains the same.
RAM?
– Switch the unit ON and OFF using the key switch.
– Replace the instrument panel printed circuit board if the
display text remains the same.
ROM? xxxx yyyy
– Switch the unit ON and OFF using the key switch.
– Replace the instrument panel printed circuit board if the
display text remains the same.
Troubleshooting
ORIGINAL
