Karcher B 150 R Bp Adv- Dose: Troubleshooting

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9



Connect the hose couplers on the 

cleaning head to the hose on the appli-

ance.



Insert the tab into the middle of the 

cleaning head, between the fork of the 

lever.



Align the holder of the cleaning head so 

that the drilled holes in the lever and the 

cleaning head match.



Insert the stop pin through the bushings 

and swivel the locking plate downward.



Insert the cylinder pin into the boring of 

the drawbar.



Slide the drawbar with the pin the guide 

channel on the cleaning head all the 

way to the bottom and lock.



Repeat process on the drawbar on the 

opposite side.



Insert the grey intelligent key.



Set brush type "Brush".



Press in the locking plate and swivel the 

drawbar upward.

The subsequent removal will take place in 

the opposite order of the installation.

The removal will take place in the opposite 

order of the installation.



Lift the cleaning head. 



Loosen the lock of the wiper flap.



Swivel the wiping flap out of the way.



Loosen the lock of the wiper flap.



Push the bearing lid down and remove.



Pull out the brush roller.



Insert a new brush roller.



Reattach the bearing lid and the wiper 

flap in reverse sequence.



Repeat process on the opposite side. 



Lift the cleaning head. 



Press the pedal for changing the brush-

es downward beyond its resistance.



Pull the disc brush out of the side below 

the cleaning head.



Hold the new disc brush under the 

cleaning head, push upward and lock.



Loosen 3 screws. 



Remove the wiper blade.



Push in the new side brush.



Tighten 3 screws.

In case of danger of frost:



Empty the fresh and dirt water reser-

voirs.



Store the appliance in a frost-protected 

room.



DANGER

Risk of injury! Before working on the appli-

ance, remove the Intelligent Key and the 

mains plug of the charger.

Pull out the battery plug.



Drain and dispose of the dirt water and 

the residual fresh water.

몇

CAUTION

Risk of injury due to overrun of the suction 

turbine.

Suction turbine will continue to run for a 

while after switch-off. Carry out mainte-

nance tasks only after the suction turbine 

has come to a halt.

In case of faults that cannot be remedied 

using the table below please contact the 

customer service. 

If errors appear on the display, then pro-

ceed as follows:



Execute instructions on the display.



Acknowledge the fault by pressing the 

info button.



Turn the program selection switch to 

"OFF".



Wait till the text on the display has dis-

appeared. 



Turn the programme switch into the 

previous position.

Only carry out the troubleshooting 

measures in the indicated order if the 

error occurs again. The key switch must 

be in the "0" position and the emergen-

cy stop button pressed.



If the fault cannot be repaired, call cus-

tomer service and mention the error 

message.

Note:

Fault messages that are not listed in the fol-

lowing table indicate faults that cannot be 

rectified by the operator. Please contact the 

aftersales service.

Remove D cleaning head

Remove R cleaning head

Replacing the brush rollers

Replacing the Disk Brushes

Replacing the side brush (only with SB 

version)

Frost protection

Troubleshooting

Fault indication

Fault indication as text

Fault indication as numerical code

24 EN

     - 

10

Faults with display

Display

Cause

Remedy

Seat switch open!

Seat contact switch has not been 

activated. 



Release the drive pedal. Have a seat.

Release accelerator! The gas pedal is depressed when 

the main switch is on.



Release drive pedal and reactivate.

No direction of travel! Travel direction switch or cable 

connection defective.



Call customer service.

Battery discharged!

Battery voltage too low.



Charge battery.

Battery voltage inad-

missible!

Battery voltage is above or below 

the admissible range.



Call customer service.

Charger defective!

Error on the charger, charging is 

not possible.



Check the charger.

Fresh water tank 

empty!

The fresh water tank is empty.



Fill up fresh water reservoir.

Brush pressure not 

reached!

Timeout brush contact pressure 

control.



Check brush wear, replace brush if required.



Check the function of the brush heads: lowering, raising.

Waste water tank 

full!

wastewater reservoir is full.



Empty the dirt water reservoir.

Level sensor or cable connection 

defective.



Call customer service.

Brake defective!

Brake defective.



Do not drive the appliance.



Call customer service.

Propulsion motor 

hot! Allow to cool 

down!

Motor protection was triggered



Bring the safety switch into the "0" position.



Allow machine to cool down at least for 15 minutes. 



Contact aftersales service in case of recurrence.

Horn defective!

Horn defective.



Call customer service.

Control is hot! Allow 

to cool down!

Performance electronics of lift 

module (A4) too hot



Bring the safety switch into the "0" position.



Allow control to cool down at least 5 minutes.



Significantly reduce the brush pressure with rough ground.



Contact aftersales service in case of recurrence.

Brush motors over-

loaded!

Load of the brush heads asym-

metric.



Adjust brush level.

25 EN

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11

Faults without display on the console

Fault

Remedy

Appliance cannot be started

Seat switch not operated, sit down on the seat.

The machine operates only if the operator is seated on the seat. 

Bring the safety switch into the "1" position.

Set the programme switch to "OFF". Wait for 10 seconds. Set the programme selector switch to pre-

vious function. If possible, drive the appliance on level grounds only. Check parking brake and foot 

brake if necessary.

Take the foot off the accelerator pedal prior to switching on the safety switch. If the fault recurs, call 

the aftersales service.

Check battery; charge it, if needed

Insufficient water quantity

Check fresh water level, refill tank if necessary.

Check hoses for blockages; clean if required.

R cleaning head: Remove the water distributor strip and clean it.

Clean the fresh water filter.

Insufficient vacuum perfor-

mance

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

Check protective turbine strainer for soiling, clean if necessary.

Clean the vacuum lips on the vacuum bar, turn or replace if required

Check if the cover on the dirt water discharge hose is closed

Check suction hose for blockages; clean if required.

Check the suction hose for tightness; replace if required.

Check the setting of the vacuum bar.

Attach additional weight (accessory) to the vacuum bar.

Insufficient cleaning result

Set/ adjust contact pressure.

Adjust wiper lips.

Check the brushes for wear, replace if required.

Brushes do not turn

Reduce contact pressure.

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

Motor overloaded, allow to cool down. Set the programme switch to "OFF". Wait for 10 seconds. Set 

the programme selector switch to previous function.

Drain hose for dirty water is 

blocked

Open dosing equipment at the drain hose. Pull out the suction hose from suction beam and close it by 

hand. Set the program selection switch to suction or vacuuming. The blockage will be sucked out from 

the drain hose into the dirt water tank.

Detergent metering Dose (on-

ly Dose) does not function 

properly

Inform Customer Service.

26 EN