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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
seat switch
– Load seat (at least 10 kg).
Display must disappear after. 4 sec.
– Check/replace seat contact switch.
– Check cable connections to the printed circuit board for
interruptions/breaks and correct the fault.
tank full
– Empty dirty water tank.
– Check float switch for freedom of movement.
– Check installed position of the float and correct
if necessary.
error!
limit switch
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
faults.
– Adjust the microswitch on the lifting motor for the suction
bar and/or brush head/replace.
overload
traction motor
The max permissible gradient travelled along is 10%!
– Check front wheel brake for blockage/adjust as
necessary.
– Check drive motor for blockage and adjust as
necessary (see chapter Drive sensor/Electromagnetic
brake adjustment).
error!
travel U< XX
The two-digit code (XX) provides information about the
cause of the fault/fault.
XX = 0C, 00, 11, 20, 21, 22, 23, 24, 32, 33, 44:
– Replace printed circuit board.
XX = 31:
– Check/replace the carbon brushes in the drive unit
motor.
– Check/replace the carbon brush connections.
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
defects.
XX = 10:
– Check/replace fuse F2.
XX = 40, 41, 42, 43:
– Malfunction and correction identical to "Gas Pedal"
display.
XX = 01 and 02:
– Switch the unit off and then back on using the key
switch. If the display does not change, replace the
main control printed circuit board.
overload
traction U>
The supply voltage to the electronics is above 29.2 Volt.
This situation occurs if the central battery connector is
pulled while the unit is travelling downhill. The front wheel
brake brakes the unit until it comes to a standstill.
– Insert the battery connector and move the unit to a level
place.
Troubleshooting
ORIGINAL
