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– 11
DANGER
Risk of injury! Before performing any work
on the device:
Set the appliance switch to "0".
Pull out the mains plug.
Lock the rear wheels.
Drain off and disose the remaining de-
tergent fluid.
Drain out the dirt water and dispose it
off.
Troubleshooting
Fault Remedy
Motor/pump do not start or
switch off automatically when
the machine is on.
Dirt water reservoir is full; empty it.
Press the foot pedal.
Indicator lamp "Dirt water tank
full" is glowing.
Dirt water reservoir is full; empty it.
Working pressure of min. 3 bar
is not building up.
If fresh water reservoir is empty, then fill it up (35 litres).
Check pipes to see if there are any leaks. If required, get
it sealed by customer service.
Check the nozzles.
Get customer service to clean the pump.
Cleaned steps are too wet. Check the combs for wear, replace if required.
Check the condition of the seal of the dirt water reservoir
for damages, replace if required.
Check the intake brushes for wear, replace if required.
Check suction nozzles and hose for blockages; clean if
required.
Check whether the waste water tank lid is completely
closed.
Check whether the correct combs have been installed.
Washed steps are not clean. Check detergent nozzles to see if they are blocked; clean
or replace if required.
Check the condition of the seal of the dirt water reservoir
for damages, replace if required.
Check the brush rollers and intake brushes for wear, re-
place if required.
Check detergent. Check the concentration of the deter-
gent solution.
Check the intake brushes for wear, replace if required.
Check whether the waste water tank lid is completely
closed.
Check whether the correct combs have been installed.
Indicator lamp "Brush motor
overload" is glowing.
Set appliance switch to "0", then turn it back to the de-
sired operating position. If the fault recurs often, call cus-
tomer service.
Remove belts or cords from brushes.
25EN
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