Karcher KM 90-60 R G Adv: Troubleshooting

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12

Troubleshooting

Fault

Remedy

Appliance cannot be started

Sit on the driver seat, the seat contact switch gets activated.

Check, if the stop switch on the combustion engine is in the "ON" position.

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

Insufficient vacuum performance

Empty waste container

Check hoses of suction blower for absence of leakness.

Clean and check the dust filter, replace if necessary.

Check the dust filter for proper seating.

Close wet/dry flap

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.

Roller brush does not turn.

Set programme switch to stage 2 or 3.

Remove belts or cords from roller brush

Check V-belt tension

Inform Kärcher Customer Service.

A short blow-off sound can be 

heard.

The appliance is OK, the automatic filter cleaning system is working

The motor cannot be switched off

(Key position on "0")

Open the appliance cover and close the petrol cock. 

Risk of injury on account of rotating belts!

Close the cover and wait until the motor turns off.

27 EN