Troubleshooting - Kärcher BR 400 Manual De Instrucciones

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4. Troubleshooting

You may be able to rectify some malfunctions by yourself.
Malfunction
No or insufficient
detergent solution on floor
Insufficient suction or
insufficient suction result
on floor
Insufficient cleaning
Brush rollers are blocked
Brush rollers do not turn
Possible cause
Fresh water tank is empty
Connection between fresh water
tank and pump leaks
Pump defective
Fresh water tank does not correctly
installed on the dirty water tank
Seal on tank is dirty or damaged
Rubber lips on suction foot are dirty
or worn out
Suction channel blocked
Suction turbine defective
Brush pressure is too low
Brush worn out
Brush roller is not correct for surface For very dirty surfaces use
Foreign object swept in
Too much friction
Belt defective
Brush motor defective
Excess current circuit-breaker was
tripped
BR 400
Remedy
Fill up
Check connection
Call customer service
Check and install correctly
Clean or replace
Clean or replace
Clean
Call customer service
Increase contact pressure
Replace
Nylon-Grit Brush Roller (special
accessories)
Remove foreign object, press
reset switch below the tank
Reduce contact pressure
Call customer service
Call customer service
Check, press reset switch
below the tank
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