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BR/BD 75/140 R, BR/BD 90/140 R
Troubleshooting
Page 47 / 71
New Unit Information 03.2004
Faults with
text i
n the
display
Corrective measures
seat switch
open!
– Load seat, with at least 10 kg, display must disappear
after approx. 1 sec.
– Check/replace seat contact switch.
– Check supply cables from seat contact switch to printed
circuit board for interruption and damage/remove fault.
dirty tank full
cleaning stops
– Empty dirty water tank..
– Check float switch for easy movement/clean/repair as
necessary.
– Check the mounting position of the float/install correctly.
When the dirty water tank is full the indicator light
illuminates continuesly (float in upper position).
When the dirty water tank is emptied the float drops to the
lower position and the indicator light blinks for one minute.
After one minute the indicator light and display fault switch
off. The unit can then be operated again.
controller temp.
exceeded: xx°C
– Wait until the temperature has dropped to at least 59°C.
The current temperature can be enquired by pressing the
Info button several time. As of 60°C the unit can no longer
be used for cleaning. The drive motor current is reduced. As
of 70°C the unit can only travel along a flat surface. The
lights and horn continue to function.
error!
buscommunication
– Check connection cable between the controls and
instrument panel/remove fault.
error!
linear actuators
– Check/replace fuse F7.
– Check/replace the connection cables to the lifting motors
for damage.
error!
contactor closed
– The main contactor sticks and has to be replaced.
error!
traction
– Check/replace fuse F2.
– Check connection cables to the motor for damage or
interruption/repair as necessary.
– Check/replace all the carbon brushes of the drive motor.
– Check connection cables to the motor for damage or
interruption/repair as necessary.
– Check motor for damage/repair as necessary.
overload
traction
– Wait until the motor has sufficiently cooled down.
We recommend a waiting time of at least 10 minutes.
You should then only move the unit along flat surfaces to
allow the motor to cool down further.
– The current motor temperature can be enquired via a bar
diagram by pressing the Info button several times.
– Check the front wheel brake for blockage/adjust as
necessary.
– Check drive motor for blockage/remove.
– Max. incline of 10% is not to be exceeded.
Troubleshooting
REVISED