KARCHER B 90 R Bp Pack User Manual

June 8, 2024
Karcher

KARCHER B 90 R Bp Pack User Manual

KARCHER B 90 R Bp Pack User Manual

Please read and comply with these original instructions prior to the initial operation of your appliance and store them for later use or subsequent owners.

Safety instructions

Before using the appliance for the first time, read and observe these operating instructions and the accompanying brochure:
Safety information for brush cleaning units 5.956-251.0.
The machine has been approved for use on surfaces with gradients of up to 10%.

Safety Devices

Safety devices serve to protect the user and must not be rendered in operational or their functions bypassed.

Emergency-stop button

To put all functions out of operation immediately: Press emergency-stop button.

  • The machine comes to a sudden halt when you press the emergency-stop button.
  • The emergency-stop has a direct effect on all machine functions.
  • The display continues.

Safety Switch

Switches off the drive motor after a short delay, if the operator leaves the operator seat during operation or while moving.

Hazard levels

DANGER

Pointer to immediate danger, which leads to severe injuries or death.

WARNING

Pointer to a possibly dangerous situation, which can lead to severe injuries or death.

CAUTION

Pointer to a possibly dangerous situation, which can lead to minor injuries.

ATTENTION

Pointer to a possibly dangerous situation, which can lead to property damage.

Function

The scrubber vacuum is used for wet cleaning or polishing of level floors. You can adjust the machine to suit the cleaning task by modifying the settings for water quantity, contact pressure of the brushes, detergent quantity and driving speed.

Proper use

This appliance is suited for the commercial use, e.g. in hotels, schools, hospitals, factories, shops, offices, and rental companies.

Use this appliance only as directed in these operating instructions.

  • The appliance may only be used for the cleaning of hard surfaces that are not sensitive to moisture and polishing operations.

  • This appliance is intended for inside use.

  • The application temperature ranges from +5°C to +40°C.

  • The appliance is not suited for the cleaning of frozen grounds (e.g. in cold stores).

  • The appliance is suitable for a max. water depth of 1 cm. Do not drive into an area where there is a risk of this max. water height being exceeded.

  • The appliance may only be equipped with original accessories and spare parts.

  • The appliance is not intended for the cleaning of public traffic routes.

  • The machine should not be used on surfaces that are sensitive to pressure.
    Please consider the allowed load per surface unit of the floor. Details of load per surface unit can be found in the technical data.

  • The appliance is not suited for the use in potentially explosive environments.

  • The machine should not be used to suck in inflammable gases, undiluted acids or solvents.
    This includes petrol, thinning agents or hot oil that can form an explosive mixture when it comes in contact with sucked air. Do not use acetone, undiluted acids and solvents as they are aggressive towards the materials from which the appliance is made.

Environmental protection

KARCHER B 90 R Bp Pack - Environmental protection

Notes about the ingredients (REACH)

You will find current information about the ingredients at:
www.kaercher.com/REACH

Control elements

Figure 1, see cover page

  1. Wiping flap *
  2. Cleaning head *
  3. Detergent bottle (only Dose model)
  4. Suction hose for detergent (only Dose model)
  5. Lever to raise and lower the vacuum bar
  6. Water quantity regulator
  7. Operating field
  8. waste water tank
  9. Cover waste water tank
  10. Vacuum bar *
  11. Wing nuts for tilting the vacuum bar
  12. Wing nuts for fastening the vacuum bar
  13. Suction hose
  14. Float
  15. Power cord for charger (only Pack model)
  16. Safety support
  17. Battery plug (not with Pack model)
  18. Battery
  19. Seat (with seat contact button)
  20. Steering wheel
  21. Fresh water tank cover
  22. Lever for brush contact pressure (only with the Adv model)
  23. Fresh water filter
  24. Pedal for raising/ lowering the cleaning head
  25. Flat fold filter
  26. Waste container (only with R cleaning head) *
  27. Dosing equipment for dirt water
  28. Dirt water discharge hose
  29. Warning lamp for reverse movement *
  30. Filling system *
  31. Right step platform
  32. Drive pedal
  33. Adjustment wheel for wiping flap *
  34. Pedal for brush exchange (only with D cleaning head) *
  • not included in the delivery

Colour coding

  • The operating elements for the cleaning process are yellow.
  • The controls for the maintenance and service are light gray.

Operator console

Figure 2, see cover page

  1. Drive direction switch
  2. Program switch
  3. Horn
  4. Key switch
  5. Emergency-stop button
  6. Switch for detergent dosing (only with Dose model)
  7. Switch for warning lamp for reverse movement *
  8. Info button (only Adv. model)
  9. Display
  10. Indicator lamp – service
  11. Indicator lamp – automatic immobilizing brake active
  12. Indicator lamp – battery monitoring
  13. Indicator lamp – fault
  14. Indicator lamp – waste water tank full
  15. Indicator lamp – brush overload

Before Startup

Batteries

KARCHER B 90 R Bp Pack - Batteries

DANGER

Risk of explosion!
Do not place tools or similar items on the battery. Risk of short-circuit and explosion.
Risk of injury. Ensure that wounds never come into contact with lead. Always clean your hands after having worked with batteries.

Insert batteries and connect

The “Pack” model contains built-in batteries.

  • Swivel the seat to the front.

Figure 3, see cover page

  • Insert batteries.

Note:

The two recommended battery types are housed differently in different arrangements in the device.

KARCHER B 90 R Bp Pack - The two recommended battery

ATTENTION

Risk of damage. Ensure correct polarity.

  • Lubricate the battery pole with pole grease.
  • Connect pole using the enclosed connecting cable.
  • Connect the connection cable to the free battery poles (+) and (-).
  • Insert battery plug.
  • Raise the safety support und and swivel seat to the bottom.

ATTENTION

Risk of damage due to full discharge!
Charge the batteries before commissioning the appliance.

Charge the batteries

Note:

The device is equipped with a safety mechanism to prevent total discharge, i.e. when the permissible minimum capacity is reached, then the machine can only be driven and existing lamps can be switched on. In such a case, the battery monitoring symbol on the control console glows red.

  • Drive the appliance directly to the charging station; avoid any steep gradients in the process.

Note:

When using other batteries (e.g. batteries from other manufacturers), the total discharge protection level for the respective battery must be reset by the Kärcher aftersales service.

DANGER

Risk of electric shock. Observe power supply net and fuse protection – see “Charger”. Use the charger in dry rooms with sufficient ventilation only!

Note:

Average charging time is approx. 10 -12 hours.
The recommended chargers (suitable for the batteries used) are regulated electronically and will automatically terminate the charging process.

DANGER

Danger of explosion. Wet batteries may only be charged with the seat tilted up.

“Pack” model

  • Tilt the seat upward.
  • Take the power cord out of its holder and insert the plug into the socket.
    The display will show the charging status of the batteries.

Note:

All cleaning and driving functions are blocked during the charging process. The functions are disabled until a charging period of at least 90 minutes has elapsed and the mains plug has been unplugged again.

  • After the charging process, pull the power plug and insert into the holder on the appliance.

Model without integrated charger

  • Tilt the seat upward.
  • Remove battery plug and join it to the charging cable.
  • Connect the charger to the mains and turn it on.
  • Switch off the charger and remove the plug from the socket after you have finished charging.
  • Pull the battery cable from the charger cable and connect it to the machine.

Low maintenance batteries (wet batteries)

  • Add distilled water one hour before the charging process comes to an end; follow the correct acid level. There are corresponding indicators on the battery.
    At the end of the charging process, all cells must gas.

WARNING

Danger of causticization!

  • Adding water to the battery in its discharged state can cause the acid to leak.
  • Use safety glasses while handling battery acid and follow the safety instructions to avoid personal injury or damage to clothes.
  • Should the acid spray on to the skin or clothes, rinse immediately with lots of water.

ATTENTION

Risk of damage!

  • Use only distilled or desalinated water (EN 50272-T3) for filling the battery.
  • Do not add any substances (so-called performance improving agents), else warranty claims will not be entertained.

Recommended batteries, chargers

KARCHER B 90 R Bp Pack - Recommended batteries,
chargers

Maximum battery dimensions

KARCHER B 90 R Bp Pack - Maximum battery dimensions

Removing the batteries

  • Turn main key to “0” and remove it.
  • Swivel the seat to the front.
  • Pull out the battery plug.
  • Clamp off the minus pole of the battery.
  • Clamp off the remaining cables from the battery.
  • Remove the batteries.
  • Dispose of the used batteries according to the local provisions.

Unloading

Note:

Press the emergency-stop button to immediately deactivate all functions and turn the key switch to the “0” position.

  • Four floor boards of the pallet are fastened with screws. Unscrew these boards.

Figure 4, see cover page

  • Place the boards on the edge of the pallet. Place the boards in such a way that they lie in front of the four wheels of the machine. Fasten the boards with screws.
  • Slide the four support beams includedin the packaging under the ramp.
  • Remove the wooden bars in front of the wheels.

Figure 5, see cover page

  • Pull the brake lever and push the appliance down the ramp with the level pulled.
  • Release emergency-stop button by turning.
  • Set main switch to “1”.
  • Press the drive direction switch and slowly move the machine down from the ramp.
  • Set main switch back to “0”.

Install cleaning head

The procedure for changing the cleaning head is described in the chapter “Maintenance Tasks”.

Note:

On some models, the cleaning head is already installed.

Installing the Brushes

The installation of the brushes is described in the chapter “Maintenance Tasks”.

Installing the Vacuum Bar

Figure 6, see cover page

  • Insert the vacuum bar into the vacuum bar suspension in such a manner that the profiled sheet is positioned above the suspension.
  • Tighten the wing nuts.
  • Insert the suction hose.

Operation

DANGER

Risk of injury. Do not used the device without an overhead guard to protect against falling objects in areas in which there is a possibility of operators being stuck by falling objects.

Note:

Press emergency-stop switch to immediately switch off all functions of the machine.

Check parking brake

DANGER

Risk of accident. Prior to every operation, the parking brake must be checked for proper function on a level ground.

  • Take the seating position.
  • Release emergency-stop button by turning.
  • Set the key switch to “1”.
  • Select travel direction.
  • Gently depress drive pedal.
  • The brake must get released and you must be able to hear it (the control lamp for immobilizing brake on the console switches off).
    The machine must roll slightly on a plane surface. When the pedal is released, the brake falls in an audible manner. Switch off the machine and call the aftersales service if the above-mentioned events do not occur.

Driving

DANGER

Risk of accident. If the device does no longer show any braking effect, proceed as follows:

  • If the device does not come to a halt on a ramp with a gradient of 2% when you release the drive pedal, then the emergency-stop button may be pressed for safety reasons only if the mechanical functioning of the immobilizing brake has been checked properly before commissioning the device.
  • Switch off the machine only after it comes to a complete halt (on an even surface) and call up the aftersales service!
  • Further, follow all warning instructions for braking.

DANGER

Danger of tipping if gradient is too high.

  • The gradient in the direction of travel should not exceed 10%.
    Danger of tipping when driving round bends at high speed.
    Danger of slipping on wet floors.

  • Drive slowly when cornering.
    Danger of tipping on unstable ground.

  • Only use the machine on sound surfaces.
    Danger of tipping with excessive sideways tilt.

  • The gradient perpendicular to the direction of travel should not exceed 10%.

Driving

  • Release emergency-stop button by turning.
  • Sit on the seat and set main switch to “1”.
  • Set the drive direction using the drive direction button at the operator console.
  • Determine the driving speed by pressing the drive pedal.
  • Stop the machine: Release the drive pedal.

Note:

The direction of travel can also be changed while driving. This way even very dull spots can be polished by driving back and forth several times.

Display

When switching on the display, the following messages will appear in sequence:

  • „ < SELFTEST >“: The control conducts a self-test.

  • „Water E—–F“ (model Adv): Water level in the fresh water tank (lasts for 6 seconds).
    „OpHrs xxxxxhxxm+“ (Classic model): Operating hours (lasts for 6 seconds)

  • “Battery: E—–F“: Charging status of battery.

Overload

In case of overloading, the drive motor automatically switches off after a certain period. A fault message is displayed on the console. The concerned unit gets switched off if the controls get overheated.

  • Allow machine to cool down at least for 15 minutes.
  • Turn the main switch to “0” and turn it back to “1”.

Filling in detergents

Detergent

ATTENTION

Risk of damage. Only use the recommended detergents. With other detergents, the operator bears the increased risk regarding the operational safety and danger of accident.
Only use detergents that are free from solvents, hydrochloric acid and hydrofluoric acid.

Follow the safety instructions for using detergents.

Note:

Do not use highly foaming detergents.

Recommended detergents:

KARCHER B 90 R Bp Pack - Recommended detergents

Fresh water

  • Open the cover of the fresh water reservoir.
  • Fill fresh water (max. 60 °C) until 15 mm below the upper edge of the tank.
  • Pour in detergent.

Note:

If detergent is added to the detergent tank first before the water, this can result in a formation of a lot of foam.

  • Close the cover of the fresh water reservoir.

Note:

Fill up the fresh water tank completely prior to the initial start-up to bleed the water pipe system.

Filling system (optional)

  • Connect the water hose to the connection neck on the filling system.

  • Open the water supply.
    Once the maximum fill level is reached, the built-in floater valve will stop the water inflow.

  • Shut off water supply.

  • Remove the water hose.

Metering system (only Dose model)

Detergent is added to the fresh water on the way to the cleaning head with the help of a dosaging device.

  • Place the detergent bottle into the device.
  • Close the bottle lid.
  • Insert the suction hose of the dosaging equipment into the bottle.

Note:

The dosing unit can be used to add 3% detergent at maximum. With higher dosage the detergent must be put into the fresh water tank.

ATTENTION

Risk of clogging due to dried detergent when the detergent is added to the fresh water tank of the Dose version. The flow meter of the dosing equipment can agglutinate on account of drying detergent and hamper the functioning of the dosing equipment. Subsequently rinse the fresh water tank and the appliance with clear water. For rinsing, select cleaning programme with application of water at the programme selector switch. Set the water quantity to the highest value, set the detergent dosage to 0%

Note:

The appliance is equipped with a fresh water indicator in the display. If the fresh water tank is empty, the function of adding detergent gets deactivated. The cleaning head continues to work without liquid supply.

Cleaning Programs

Figure 7, see cover page

  1. Driving
    Driving to the Place of Use.

  2. Scrubbing suction
    Wet clean the floor and vacuum up dirt water.

  3. Wet scrubbing
    Wet clean the floor and allow the detergent to react.

  4. Vacuuming
    Suck in the dirt fleet.

  5. Polishing
    Polishing the floor without the application of liquid.

  6. Scrub the floor without applying water (vacuum polishing)
    Polish the floor without applying any fluid and suck in the polishing dust.

Note:

Depending on the program, the suction bar and the cleaning head must also be lowered with the appropriate control elements to perform the selected program.

Info button (only Adv. model)

Use the Info button to select the menu items and do the settings.

  • Turning the button to the right/left scrolls through the menus forward/ backward.
  • The selected setting gets accepted by pressing the button.

Settings (only Adv. model)

You can make the settings for the different cleaning programs in the operator menu.
Different parameters can be set based on the cleaning program. The settings are done using the Info button.

Operator menu

  • Release emergency-stop button by turning.

  • Sit on the seat and set main switch to “1”.
    The display shows the battery charging status and the fresh water level.

  • Select cleaning program.

  • Call the operator menu by turning the info button.

  • Select the desired parameter by turning the Info button.

  • Press Info button – the set value blinks.

  • Reset the parameter by turning the info button.

  • Accept modified setting by pressing the Info button or wait till the set value is accepted automatically.

Note:

If the selected parameter does not change within 10 seconds, then the display goes back to displaying the battery charging status and the fresh water level.
The same cleaning parameter can have individual settings for each cleaning program.
All settings are saved, even if the device is de-energized.

Adjustable parameters

KARCHER B 90 R Bp Pack - Adjustable parameters

Info menu

  • Turn the info button until “Information menu” is displayed.
  • Retrieve the info menu by pressing the info button.

The following information can be displayed by turning the info button:

KARCHER B 90 R Bp Pack - The following information can be
displayed

Setting the water quantity

  • Set the water quantity at the regulation knob according to the dirt level and the type of flooring.

Raise/lower the cleaning head

Lower

  • Press down the rear surface of the pedal to raise/lower the cleaning head, release and let the pedal move upwards.
    The brush drive will start as soon as the cleaning head is lowered.

Raise

  • Press down the front surface of the pedal to raise/lower the cleaning head and lock it.

Raise/lower the vacuum bar

Lower

  • Pull the lever up to raise/lower the vacuum bar, press toward the outside and lower.
    The suction process will start as soon as the level is moved down.

Raise

  • Pull the lever to raise and lower the vacuum bar up and lock.

Setting the Vacuum Bar

Oblique position

To improve the vacuuming result on tiled floors the vacuum bar can be turned to an oblique position of up to 5°.

Figure 8, see cover page

  • Release the wing nuts.
  • Turn the vacuum bar.
  • Tighten the wing nuts.

Inclination

If the vacuum result is unsatisfactory the inclination of the straight vacuum bar can be modified.

Figure 8, see cover page

  • Release the wing nuts.
  • Tilt the vacuum bar.
  • Tighten the wing nuts.

Adjust brush contact pressure (only with the Adv model)

Figure 10, see cover page

  • Unlock the lever for the brush contact pressure to the left and relock to the right.
    – Level down: Reduce contact pressure.
    – Level up: Increase contact pressure.

Adjust wiper flaps (only with the Adv model)

  • Adjust the wiper flaps by turning the adjustment wheel so that they touch the floor.
  • Turn the adjustment wheel an additional turn toward the bottom.

Emptying the waste Water tank

Note:

Overflow waste water tank. If the dirt water tank is full, the suction turbine switches off and the indicator lamp “waste water tank full” begins to blink. All cleaning programs with suction are blocked for one minute.
Empty the waste water tank.

CAUTION

Please observe the local provisions regarding the wastewater treatment.

  • Take the dirt water discharge hose from the support and lower above a suited collection device.

Figure 11, see cover page

  • Let off water by opening the dosage device at the discharge hose.
  • The rinse the dirt water reservoir with clear water.

Emptying the Fresh Water Tank

  • Unscrew the filter cup of the fresh water filter and let the fresh water tank drain completely.
  • Replace the filter cup.

Empty waste container (only with R cleaning head)

  • Check the waste container. If needed, remove and empty waste container after work.

Shutting down

  • Turn main key to “0” and remove it.
  • Secure the machine with wheel chocks to prevent it from rolling away.

Transport

DANGER

Risk of injury! When loading or unloading the machine, it may only be operated on gradients of max. 10%. Drive slowly.

CAUTION

Risk of injury and damage! Observe the weight of the appliance when you transport it.

  • When transporting in vehicles, secure the appliance according to the guidelines from slipping and tipping over.

With mounted D cleaning head

  • Remove brushes from the brush head.

Storage

CAUTION

Risk of injury and damage! Note the weight of the appliance in case of storage.

  • This appliance must only be stored in interior rooms.
  • Select the storage site for the appliance taking into consideration the permissible total weight of the appliance in order not to impact its stability.

Care and maintenance

Danger

Risk of injury. Before carrying out any tasks on the machine, set the main key to “0” and remove it. Press emergency-stop button.
Place the appliance on a stable, even surface and disconnect the battery

WARNING

Suction turbine will continue to run for a while after switch-off. Carry out maintenance tasks only after the suction turbine has come to a halt.

  • Drain and dispose of the dirt water and the residual fresh water.

Maintenance schedule

After the work

ATTENTION

Risk of damage. Do not sluice the appliance with water and do not use aggressive detergents.

  • Drain off dirt water.
  • Check the flat folded filter, clean if required
  • Only with R cleaning head Remove bulk waste container and empty it.
  • Clean the outside of the appliance with a damp cloth which has been soaked in mild detergent.
  • Clean the vacuum lips and the wiping lips, check for wear and replace if required.
  • Check the brushes for wear, replace if required.
  • Charge the battery:
    If the charging state of the battery is under 50%, charge the battery fully and without interruption.
    If the charging state of the battery is over 50%, only recharge the battery if the entire operation duration will be required when next used.

Weekly

  • When used regularly, charge the battery fully and without interruption at least once a week.

Monthly

  • Check battery pole for oxidation; brush it if required and lubricate it using pole grease. Ensure that the connection cable sits firmly.
  • Clean the seals between waste water tank and cover and check for tightness, replace if required.
  • Check the acid density of the cells if the batteries are not maintenance-free batteries.
  • Clean the brush tunnel (only R cleaning head)

Figure 12, see cover page

  • Remove the water distribution strip from the cleaning head and clean water canal (only R cleaning head).
  • For long periods of disuse, only turn the device off when the battery is fully charged. Fully recharge the battery at least every month.

Yearly

  • Replace pump hose of the metering pump (only Dose model).
  • Have the prescribed inspection carried out by the customer service.

Maintenance Works

Maintenance contract

For a reliable operation of the appliance maintenance contracts can be concluded with the competent sales/service consultant.

Replacing the vacuum lips

  • Remove the vacuum bar.
  • Unscrew the star grips.

Figure 13, see cover page

  • Remove the plastic parts.
  • Remove the vacuum lips.
  • Insert new vacuum lips.
  • Insert the plastic parts.
  • Screw in and tighten the star grips.

Install D cleaning head

  • Push the pedal for raising/ lowering the cleaning head down.
  • Slide the cleaning head under the appliance so that the hose points toward the rear.
    Only slide the cleaning head halfway under the appliance.

Figure 14, see cover page

  • Remove the lid of the cleaning head.

Figure 15, see cover page

  • Connect the power cord of the cleaning head to the appliance (same colours must meet).
  • Replace the lid and lock it.
  • Slide the cleaning head halfway under the appliance.

Figure 16, see cover page

  • Connect the hose couplers on the cleaning head to the hose on the appliance.

Figure 17, see cover page

  • Insert the tab into the middle of the cleaning head, between the fork of the lever.
  • Position the lever on the pedal for raising/lowering so that the borings in the lever and the cleaning head align.
  • Insert the stop pin through the bushings and swivel the locking plate downward.

Figure 18, see cover page

  • 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.

Install R cleaning head

  • Push the pedal for raising/ lowering the cleaning head down.
  • Slide the cleaning head under the appliance so that the hose points toward the rear.
    Only slide the cleaning head halfway under the appliance.

Figure 19, see cover page

  • Pull out the cover.

Figure 20, see cover page

  • Connect the power cord of the cleaning head to the appliance (same colours must meet).
  • Push in the cover.
  • Slide the cleaning head halfway under the appliance.

Figure 16, see cover page

  • Connect the hose couplers on the cleaning head to the hose on the appliance.

Figure 21, see cover page

  • Insert the tab into the middle of the cleaning head, between the fork of the lever.
  • Position the lever on the pedal for raising/lowering so that the borings in the lever and the cleaning head align.
  • Insert the stop pin through the bushings and swivel the locking plate downward.

Figure 22, see cover page

  • Insert the cylinder pin into the boring of the drawbar.
  • Slide the drawbar in the guide channel on the cleaning head all the way to the bottom.
  • Insert the locking plate into the guide channel and lock it in.
  • Repeat process on the drawbar on the opposite side.

Remove D cleaning head

Figure 23, see cover page

  • Press in the locking plate and swivel the drawbar upward.

The subsequent removal will take place in the opposite order of the installation.

Remove R cleaning head

The removal will take place in the opposite order of the installation.

Replacing the brush rollers

Figure 24, see cover page

  • Lift the cleaning head.
  • Loosen the lock of the wiper flap.
  • Swivel the wiping flap out of the way.

Figure 25, see cover page

  • 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.

Replacing the Disk Brushes

  • Lift the cleaning head.
  • Press the pedal for changing the brushes 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.

Replace pump hose (only Dose model)

  • Unscrew the right stepping platform and remove along with the drive pedal.

Figure 26, see cover page

  1. Covering lid
  2. Cover
  3. Hose holder
  4. Pump hose
  5. Rotor
    ♦ Remove covering lid.
    ♦ Remove cover.
    ♦ Remove the hose holder with the pump hose (turn manually to remove the rotor manually).
    ♦ Replace pump hose.
    ♦ Dosing pump and appliance are brought into operational state by performing the same steps in the reverse direction.

Frost protection

In case of danger of frost:

  • Empty the fresh and dirt water reservoirs.
  • Store the appliance in a frost-protected room.

Troubleshooting

Danger

Risk of injury! Before carrying out any tasks on the machine, set the main key to “0” and remove it. Press emergency-stop button.
Place the appliance on a stable, even surface and disconnect the battery.

  • 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.

Replace fuses

Note:

Defective pole fuses should only be replaced by the service center. If these fuses are defective, then customer service center has to check the usage conditions and the entire control system.

Fault indication

If errors appear on the display, then proceed as follows:

  • Set the key switch to “0” (switch off the machine).
  • Wait till the text on the display has disappeared.
  • Set the main switch again to “1” (switch on the machine). Carry out the troubleshooting measures in the given sequence only if the fault occurs again. At such times, always bring the main switch to the “0” position and ensure that the emergency-stop button is depressed.
  • If the fault cannot be repaired, call customer service and mention the error message.

Note:

Fault messages that are not listed in the following table indicate faults that cannot be rectified by the operator. Please contact the aftersales service.

Faults with display

KARCHER B 90 R Bp Pack - Faults with display

Faults without display on the console

KARCHER B 90 R Bp Pack - Faults without display on the
console

Technical specifications

KARCHER B 90 R Bp Pack - Technical specifications

Accessories and Spare Parts

  • Only use accessories and spare parts which have been approved by the manufacturer. The exclusive use of original accessories and original spare parts ensures that the appliance can be operated safely and trouble free.
  • At the end of the operating instructions you will find a selected list of spare parts that are often required.
  • For additional information about spare parts, please go to the Service section at www.kaercher.com.

Warranty

The warranty terms published by the relevant sales company are applicable in each country. We will repair potential failures of your appliance within the warranty period free of charge, provided that such failure is caused by faulty material or defects in manufacturing. In the event of a warranty claim please contact your dealer or the nearest authorized Customer Service centre.
Please submit the proof of purchase.

EU Declaration of Conformity

We hereby declare that the machine described below complies with the relevant basic safety and health requirements of the EU Directives, both in its basic design and construction as well as in the version put into circulation by us. This declaration shall cease to be valid if the machine is modified without our prior approval.

Product : Floor cleaner ride-on model
Type : 1.161-xxx

Relevant EU Directives

2006/42/EC (+2009/127/EC)
2014/30/EU

Applied harmonized standards

EN 55014–1: 2006+A1: 2009+A2: 2011
EN 55014–2: 2015
EN 60335–1
EN 60335–2–29: 2004+A2: 2010
EN 60335–2–72
EN 61000–3–2: 2014
EN 61000–3–3: 2013
EN 62233: 2008

Applied national standards

The signatories act on behalf of and with the authority of the company management.

Alfred Kärcher SE & Co. KG
Alfred-Kärcher-Straße 28-40
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212

Winnenden, 2019-05-01

References

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