Karcher B 40 C Ep: Faults

     - 

6 

Danger

Risk of injury! Turn the programme selec-

tion switch to "OFF" and disconnect the 

mains plug before performing any work on 

the appliance.



Drain and dispose of the dirt water and 

the residual fresh water.

In case of faults that cannot be remedied 

using the table below please contact the 

customer service. 

Faults

Fault

Remedy

Appliance cannot be 

started

Insert the mains plug into a socket.

Check power supply of the socket. 

Insufficient water 

quantity

Check fresh water level, refill tank if necessary.

Increase the water volume on the regulating knob for water volume.

Unscrew the lock of the fresh water reservoir. Remove and clean the fresh water filter. Insert the filter and 

screw in the lock.

Remove the water distribution strip from the cleaning head and clean water canal (only R cleaning head).

Check hoses for blockages; clean if required.

Insufficient vacuum 

performance

Clean the seals between dirt water reservoir and cover and check for tightness, replace if required.

Wastewater reservoir is full; shut off the appliance and empty the wastewater reservoir

Clean the fluff filter.

Clean the vacuum lips on the vacuum bar, 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.

Insufficient cleaning 

result

Check the brushes for wear, replace if required.

Brushes do not turn

Check if foreign matters block the brushes; remove foreign matter if required.

Reset fuse of brush drive.

Vibrations during 

cleaning

You might need to use softer brushes.

15 EN