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Faults not shown in the display
Waste water tank full! 1. Empty the waste water tank.
Overloaded drive motor 1. The gradient is too steep.
a In cleaning operation: Cancel cleaning.
b When transporting: Find a path with a lower gradient.
Blocked drive motor 1. Check the wheels for blockage, remove foreign objects.
2. Set the program switch to "OFF".
3. If the drive motor has overheated, let it cool down for at least 15 minutes, otherwise wait
10 seconds.
4. Set the program switch to the desired program.
Battery level low! 1. Set the program selector switch to Transport trip.
2. Drive the device directly to the charger (or with an internal charger to the socket). Avoid
gradients.
3. Charge the battery.
Battery empty! 1. Set the program selector switch to Transport trip.
2. Drive the device by the shortest route to the charger (or to the socket in the case of an
internal charger). Avoid gradients.
3. Charge the battery.
Open seat contact! 1. Relieve the driver's seat briefly so that the control system can check the function of the
seat contact switch.
Switch on! 1. Set the safety button to "1".
Restart machine! 1. Set the program switch to "OFF".
2. Wait 10 seconds.
3. Set the program switch to the desired program.
Release throttle! 1. Release the accelerator pedal.
Malfunction Rectification
Malfunction Rectification
The device cannot be
started
1. Sit in the driver's seat.
2. Take your foot off the accelerator before switching on the safety button.
3. Turn the safety button to "1".
4. Check the battery and charge if necessary.
5. Set the program switch to "OFF".
6. Wait 10 seconds.
7. Set the program switch to the desired program.
8. If possible, only drive the device on level ground.
9. Check the parking brake if necessary.
If the fault still occurs, call Customer Service.
The water volume is insuf-
ficient
1. Check the fresh water filling level, if necessary fill the tank completely so that the air is
pressed out.
2. Remove and clean the fresh water filter.
3. Insert the filter and screw on the cap.
4. Only with R cleaning head: Pull off the water distribution strip on the cleaning head.
5. Only with R cleaning head: Clean the water channel.
6. Check the hoses for clogging and clean if necessary.
The suction performance
is too low
1. Clean the seals between the waste water tank and the cover, check for leaks and replace
if necessary.
2. Check the fluff filter for contamination and clean if necessary.
3. Clean the suction lips at the suction bar, turn over or replace if necessary.
4. Close the lid on the waste water drain hose.
5. Close the cover of the waste water tank rinsing system.
6. Check the suction hose for clogging and clean if necessary.
7. Check the suction hose for leaks and replace if necessary.
8. Check the adjustment of the suction bar.
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