BR/BD 75/140 R, BR/BD 90/140 R
Troubleshooting
Page 45 / 71
New Unit Information 03.2004
Faults with text in the display
Corrective measures
error!
incorrect start
– Remove your foot from the drive pedal before switching
on the key switch.
– With the pedal in the "off" position, check the sensor
voltage at connector X6 on the main control printed circuit
board between the Contacts 1 and 3. Specified value see
chapter drive sensor.
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brush motor
– Check for blockage in the brush drive assembly and
remove if necessary.
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
faults.
– Check the function of both brush motors/replace as
necessary.
error!
brush I>
The power consumption of the brush motors was above
80 A for longer than 4 sec.
– Reduce contact pressure to brushes.
– Check brushes for blockage/remove as necessary.
– Check the function of both brush motors/replace as
necessary.
error!
brush I<
– Check/Replace fuse F3.
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
faults.
– Check the function of both brush motors and their
carbon brushes replace any defective parts brushes as
necessary.
error!
brush lift
– Check for blockage in the brush head and remove
as necessary.
– Check/Adjust micro switches on the lifting motor.
– Check/Replace lifting motor.
error!
squeegee
– Check/Remove any blockages at the suction bar.
– Check/Replace lifting motor.
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vacuum motor
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
faults.
– Check/replace suction motor.
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water pump
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
faults.
– Check/replace water pump.
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front light
– Check working lights/replace halogen lamp.
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
faults.
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rotating beacon
– Check warning beacon light/replace halogen lamp.
– Check cable connections to the main control printed
circuit board for interruptions/breaks and correct any
faults.
Troubleshooting
ORIGINAL
