Karcher KM 90-60 R P - Manual (Page 28)

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Troubleshooting
Fault Remedy
Appliance cannot be started Sit on the driver seat, the seat contact switch gets activated
Refuel
Open fuel cock
Check fuel pipes, connections and joints and maintain them if required
Charging battery
Check and clean spark plug, replace if necessary.
Inform Kärcher Customer Service.
Engine is running erratically Clean or replace air filter
Check fuel pipes, connections and joints and maintain them if required
Inform Kärcher Customer Service.
Engine is running but machine is
not moving Check setting of freewheel lever
Inform Kärcher Customer Service.
Engine is running but machine is
only moving slowly Allow machine to warm up for approx. 3 minutes in sub-zero temperatures
Inform Kärcher Customer Service.
Machine is not sweeping properly Check roller brush and side brushes for wear, replace if necessary.
Check function of bulk waste flap
Check sealing strips for wear, adjust or replace as required
Check belts of sweeping drive.
Inform Kärcher Customer Service.
Dust gathers in the machine Empty waste container
Check hoses of suction blower for absence of leakness.
Check dust filter, clean or replace
Check filter case seal
Close wet/dry flap
Check sealing strips for wear, adjust or replace as required
Inform Kärcher Customer Service.
Poor cleaning performance at
edges Replace side brush
Check sealing strips for wear, adjust or replace as required
Inform Kärcher Customer Service.
Side brush or roller brush is not
being lowered; under-pressure
system is defective Inform Kärcher Customer Service.
Insufficient vacuum performance Check filter case seal
Check hoses of suction blower for absence of leakness.
Insert lamella filter correct; see Changing dust filter
Inform Kärcher Customer Service.
Roller brush does not turn. Remove belts or cords from roller brush
Inform Kärcher Customer Service.
28 EN