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Flashes
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DIRTY SURFACES
VERY DIRTY SURFACES
Scrubbing and drying in various passes. Prepare
the machine as previously described.
First set of operations:
Select the forward direction using the direction
lever.
Insert and turn the key.
Activate the brush motor and the detergent solu-
tion supply.
Lower the brushes.
Use the detergent adjustment lever to regulate the
solution outlet flow (depending on advancement
speed).
Lightly press the advancement pedal and check
that the brushes and solution feed system are
Error
Moving motor on start
Relay contact fault
Too low supply vol-
tage
Too high supply vol-
tage
Relay driver fault
Broken potentiometer
Temperature fault
Fault on turn off
Fault on parameters'
setting
Fault on checksum
Fault on acquisition
Too high rotor current
Program memory CRC
fault
Parameters
memory CRC fault
Device not registered
External fault
Possible causes and solutions
When the key switch has been switched on the
motor was turning. If the error persists power
parts could be damaged. Contact service
Check the main contactor
Battery voltage is decreased below the min. vol-
tage.
Battery voltage has increased above the max
value or has exceeded the max voltage allo- wed
for the controller.
Check all contactors
Verify potentiometer
Check controller and base coupling. If the error
persists contact technical service.
The controller has been switched off when the
vehicle was moving. Always turn the controller
off when the vehicle is stopped.
Some parameters are not correct.
Programming procedure has been interrupted.
Repeat it.
Auto-calibration has not been correctly carried
out.
Contact technical service
Contact technical service
Contact technical service
Contact technical service
The block has been commanded
working.
Fully depress the accelerator to increase the work
speed.
Adjust the maximum advancement speed and the
detergent solution flow as required.
The steering wheel is similar to a car steering
wheel: it can be used to turn the machine around
itself by steering all the way to one side.
•
During these operations, the rear of
the machine moves slightly outward: reduce the
speed to avoid brusque direction changes and im-
pacts against walls or other objects.
Allow the detergent solution to work on the dirt
according to what is indicated in the information
relative to the detergent used.
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