- 

7

E: Overload 
TRACTION MO-
TOR

Drive motor has got overheated 
due to a steep climb or locked 
brake. 

Allow machine to cool down at least 15 minutes. Set key switch to “0”. Wait 
for 3 seconds. Turn the appliance back on. Avoid frequent uphill driving.

Seat switch!    
Please sit down!

Seat contact switch has not been 
activated. 

Release the drive pedal. Have a seat.

Release gaspedal

The gas pedal is depressed when 
the main switch is on.

Release drive pedal and reactivate.

Followup suction 
Shutdown shortly

The key switch was turned to "0" 
while the suction turbine was run-
ning.

The suction turbine trails with a delay of 10 seconds. Wait until the appliance 
shuts itself off after 10 seconds.

Dirttank full   
Cleaning stops

Dirt water reservoir is full.

Empty the dirt water reservoir.

Emergency brake 
operation! Drive at 
ground level

Parking brake is defective.

Danger! Do not drive over upward/downward slopes.
Park the machine on an even surface. 
Secure the machine with wheel chock(s) to prevent it from rolling away.
Inform Customer Service.

Display

Cause

Remedy

Faults without display on the console

Fault

Remedy

Appliance cannot be started

Insert battery plug. 
Set main switch to “1”
Safety switch not activated, sit down on the seat.
The machine operates only if the operator is seated on the seat. 
Release emergency-stop button.
Set the key switch to "0". Wait approx. 10 minutes before turning the key switch to "1" again. If possible, 
use the unit only on level surfaces. Check immobilizing brake and foot brake if required.
Take your foot off the accelerator before switching on the main switch.  If the fault recurs, call customer 
service.
Check battery; charge it, if needed

Insufficient water quantity

Check fresh water level, refill tank if necessary.
Check hoses for blockages; clean if required.
R cleaning head: Remove the water distributor strip and clean it.
Clean the fresh water filter.

Insufficient vacuum perform-
ance

Clean the seals between dirt water reservoir and cover and check for tightness, replace if required.
Clean the flat fold filter in the waste water tank
Clean the vacuum lips on the vacuum bar, turn or replace if required
Check suction hose for blockages; clean if required.
Check the suction hose for tightness; replace if required.
Check if the cover on the dirt water discharge hose is closed
Check the setting of the vacuum bar.
Attach additional weight (accessory) to the vacuum bar.

Insufficient cleaning result

Adjust the contact pressure (not with Eco model)
Adjust the wiper flaps (not with Eco model)
Check the brushes for wear, replace if required.

Brushes do not turn

Reduce the contact pressure (not with Eco model)
Check if foreign matters block the brushes; remove foreign matter if required.
Motor overload, allow to cool down. Set the key switch to "0". Wait approx. 10 minutes before turning 
the key switch to "1" again.

Drain hose for dirty water is 
blocked

Open dosing equipment at the drain hose. Pull out the suction hose from suction beam and close it by 
hand. Set the program selection switch to suction or vacuuming. The blockage will be sucked out from 
the drain hose into the dirt water tank.

Detergent metering Dose (on-
ly Dose) does not function 
properly

Inform Customer Service.

21

EN