Kärcher B 90 R Handbuch Seite 21

Display Cause
E: Overload Drive motor has got overheated
TRACTION MO- due to a steep climb or locked
TOR brake.
Seat switch! Seat contact switch has not been
Please sit down! activated.
Release gaspedal The gas pedal is depressed when
the main switch is on.
Followup suction The key switch was turned to "0"
Shutdown shortly while the suction turbine was run-
ning.
Dirttank full Dirt water reservoir is full.
Cleaning stops
Emergency brake Parking brake is defective.
operation! Drive at
ground level
Fault
Appliance cannot be started
Insufficient water quantity
Insufficient vacuum perform-
ance
Insufficient cleaning result
Brushes do not turn
Drain hose for dirty water is
blocked
Detergent metering Dose (on-
ly Dose) does not function
properly
Remedy
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.
Release the drive pedal. Have a seat.
Release drive pedal and reactivate.
The suction turbine trails with a delay of 10 seconds. Wait until the appliance
shuts itself off after 10 seconds.
Empty the dirt water reservoir.
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.
Faults without display on the console
Remedy
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
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.
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.
Adjust the contact pressure (not with Eco model)
Adjust the wiper flaps (not with Eco model)
Check the brushes for wear, replace if required.
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.
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.
Inform Customer Service.
7
-
EN 21