Operating instructions

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DANGER
Risk of injury!
During cleaning or maintenance or when
replacing parts or upon changing the de-
vice to another function, the positive termi-
nal of the battery must be disconnected
and the mains plug of the charger must be
unplugged.
 Drain and dispose of the dirt water and
the residual fresh water.
몇 CAUTION
Risk of injury due to overrun of the suction
turbine.
Suction turbine will continue to run for a
while after switch-off. Carry out mainte-
nance tasks only after the suction turbine
has come to a halt.
In case of faults that cannot be remedied
using the table below please contact the
customer service.
If errors appear on the display, then pro-
ceed as follows:
 Execute instructions on the display.
 Acknowledge the fault by pressing the
info button.
 Turn the program selection switch to
"OFF".
 Wait till the text on the display has dis-
appeared.
 Turn the programme switch into the
previous position.
Only carry out the troubleshooting
measures in the indicated order if the
error occurs again. The key switch must
be in the "0" position and the emergen-
cy stop button pressed.
 If the fault cannot be repaired, call cus-
tomer service and mention the error
message.
Note:
Fault messages that are not listed in the fol-
lowing table indicate faults that cannot be
rectified by the operator. Please contact the
aftersales service.
Troubleshooting
Fault indication
Fault indication as text
Fault indication as numerical code
Faults with display
Display Cause Remedy
Release accelerator! The gas pedal is depressed when
the main switch is on.
 Release drive pedal and reactivate.
No direction of travel! Travel direction switch or cable con-
nection defective.
 Call customer service.
Battery discharged! Battery voltage too low.  Charge battery.
Battery voltage inad-
missible!
Battery voltage is above or below
the admissible range.
 Call customer service.
Charger defective! Error on the charger, charging is not
possible.
 Check the charger.
Brush pressure not
reached!
Timeout brush contact pressure
control.
 Check brush wear, replace brush if required.
 Check the function of the brush heads: lowering, raising.
Brake defective! Brake defective.  Do not drive the appliance.
 Call customer service.
Propulsion motor hot!
Allow to cool down!
Motor protection was triggered  Bring the safety switch into the "0" position.
 Allow machine to cool down at least for 15 minutes.
 Contact aftersales service in case of recurrence.
Horn defective! Horn defective.  Call customer service.
Control is hot! Allow to
cool down!
Performance electronics of lift mod-
ule (A4) too hot
 Bring the safety switch into the "0" position.
 Allow control to cool down at least 5 minutes.
 Significantly reduce the brush pressure with rough ground.
 Contact aftersales service in case of recurrence.
Brush motors over-
loaded!
Load of the brush heads asymmet-
ric.
 Adjust brush level.
25EN