Troubleshooting - Kärcher KM 120/150 R D Manual

Fault
Appliance cannot be started
Engine is running erratically
Engine is running but machine is
not moving
Engine is running but machine is
only moving slowly
Machine is not sweeping properly Check roller brush and side brushes for wear, replace if necessary.
Dust gathers in the machine
Poor cleaning performance at
edges
Side brush or roller brush switch-
on operation is not working
Side brush or roller brush is not
being lowered
Insufficient vacuum performance
Roller brush does not turn.
Charge indicator lamp glows only
during operations (only KM 120/
150 R D and R LPG)
36

Troubleshooting

Remedy
Sit on the driver seat, activate seat contact mat
Refuel/ replace gas cylinder
Open fuel tap/ gas supply
Check connections and links in petrol or gas lines.
Check fuse of the electrical starter, replace if required (only KM 120/150 R D)
Charging battery
Clean and change spark plug, replace if required (only KM 120/150 R G and R LPG)
Inform Kärcher Customer Service.
For temperatures below +10 °C: Lock parking brake
Clean or replace air filter
Check connections and links in petrol or gas lines.
Inform Kärcher Customer Service.
Release parking brake
Check setting of freewheel lever
Inform Kärcher Customer Service.
Release parking brake
Allow machine to warm up for approx. 3 minutes in sub-zero temperatures
Inform Kärcher Customer Service.
Check function of bulk waste flap
Check sealing strips for wear, adjust or replace as required
Adjust roller mirror
Check hydraulic system (sweeping) for leaks.
Inform Kärcher Customer Service.
Empty waste container
Check suction fan drive belt
Check sealing cover on suction fan
Check dust filter, clean or replace
Check filter case seal
Check sealing strips for wear, adjust or replace as required
Replace side brush
Check sealing strips for wear, adjust or replace as required
Inform Kärcher Customer Service.
Check hydraulic system (sweeping) for leaks.
Inform Kärcher Customer Service.
Inform Kärcher Customer Service.
Check filter case seal
Check sealing cover on suction fan
Insert lamella filter correct; see Changing dust filter
Remove belts or cords from roller brush
Inform Kärcher Customer Service.
EN
16
-