![background image](/i/karcher/169054/karcher-km-75-40-w-bp/h/karcher-km-75-40-w-bp-021.png)
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9
Troubleshooting
Fault
Remedy
Appliance cannot be started
Close appliance hood
Charge the batteries
Check overload fuse
Inform Kärcher Customer Service.
Engine is running but machine is
not moving
Adjust the Bowden cable of the acceleration drive
Checking the V-Belt
Inform Kärcher Customer Service.
Device comes to halt while climb-
ing a slope
Drive over a path with lesser slope
Check overload fuse
Adjust the Bowden cable of the acceleration drive
Checking the V-Belt
Inform Kärcher Customer Service.
The brush roller stops, fault display
illuminates red
Turn the main switch to "OFF", check brush for obstructing objects. If applicable, use on a less in-
clined surface. Turn on the main switch. After repeating this process four times, the control will ini-
tiate a forced break of 2 minutes to cool off. During this period the appliance cannot be started.
Machine is not sweeping properly Check roller brush and side brushes for wear, replace if necessary.
Check function of bulk waste flap
Release the Bowden cable of the bulk waste flap (adjustment screw)
Check belts for tension and functioning; replace, if required
Adjust roller mirror
Replacing roller brush
Inform Kärcher Customer Service.
Dust gathers in the machine
Check function of bulk waste flap
Release the Bowden cable of the bulk waste flap (adjustment screw)
Check dust filter, clean or replace
Empty waste container
Replace sealing profile at the waste container
Check the seal on the dust filter
Check sealing strips for wear, adjust or replace as required
Poor cleaning performance at edg-
es
Adjust side-brush lowering
Replace side brush
Lower the side brushes
Check the drive belt of the side brush
Inform Kärcher Customer Service.
Side-brush raising does not func-
tion
Check Bowden cable of the side-brush raising
Inform Kärcher Customer Service.
The new roller brush brushes
against the waste container
Correct the setting of the sweep track; for this, engage both adjustment levers into the upper boring
(1...3)
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EN