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With the range of accessories available for Kärcher floor cleaners, cleaning and care can be perfectly matched to your floor. The multi-purpose floor cleaner, for example, is suitable for any hard floor, while special detergents for wood and stone additionally care for and protect these types of flooring. The stone rollers are especially suitable for hard-wearing floors such as stone and ceramic tiles.
Kärcher floor cleaners can be used on all hard floors, be they wood, stone or plastic. The rollers do not cause any damage such as scratches on the surfaces. Do not hold the device still in one spot; instead, always keep it moving.
RM 534 detergent (order number 6.295-941.0) is ideal for cleaning sealed wooden floors (e.g. parquet, laminate).
For cleaning oiled/waxed wooden floors, RM 535 detergent (order number 6.295-942.0).
For cleaning stone floors, RM 537 detergent (order number 6.295-943.0).
To achieve good cleaning results with the floor cleaner, please note the following:
Wash the rollers in a washing machine at 60 °C before first use and when dirty.If the rollers are too dry, you can wet them by activating boost mode (only applies to the FC 2-4 and FC 4-4). Move the device back and forth until the rollers are sufficiently wetted.Clean the floor multiple times with the floor cleaner without using detergent. This removes residue of old detergent from the floor.Only use Kärcher detergent and make sure the correct dosage is used. Observe the recommended dosage on the detergent bottle. Using too much or not enough detergent can lead to poor cleaning results.Carry out device self-cleaning (only on the FC 8, FC 7 and FC 4-4).Clean the hair combs regularly.
The dirt is picked up most effectively when the handle is 80 centimetres above the floor. The tolerance is between 65 and 90 centimetres.
During the forward movement, the dirt on the floor is first moistened. The majority of the dirt is picked up during the backward movement. Slow forward and backward movements also achieve the best cleaning results as this gives the device the time it needs to pick up dirt thoroughly.
The 4 V Battery Power charger fully charges a 2.5 Ah battery in around 2.5 hours. The 4 V Duo Battery Power fast charger can charge up to two 2.5 Ah batteries in just 70 minutes.
The remaining run time always refers to the battery with the lower remaining capacity.
Yes, one device can be registered several times so that it is available to several individuals.
The Kärcher Home & Garden app provides the following main functions, among others:
Cleaning modes recommended by Kärcher for different floor coverings can be transferred to the deviceConfiguration of customised cleaning modesStep-by-step instructions for assembly, initial startup, application and device cleaningTips & tricksFAQs with detailed troubleshootingNotifications about system updates and how to perform themConnection to the Kärcher Service CenterUsage statisticsDevice settings, e.g. boost timeReminder to change rollersConnection to the Kärcher online shop, e.g. for buying replacement accessories
The device and the app must be connected to each other via Bluetooth for all device settings configured via the app, for example:
Transfer of cleaning modes from the app to the deviceDuration of boost function or pre-wetting
The Bluetooth connection is disconnected when the device is switched off. It can be restored if required via the app.
It is not necessary to descale the floor cleaner as limescale only settles at temperatures above 70 °C. The acid of the decalcifying agent can also cause damage to your device.
If the floor cleaner develops unpleasant odours while cleaning, you can do the following:
Wash the rollers in a washing machine at 60 °C (important: do not use fabric softener)Always use fresh water and do not leave water to stand in the tank after you have finished cleaningRinse the dirty water tank and fresh water tank thoroughly after each useClean the inlets and filters regularly, as described in the operating instructionsResidues of old cleaning detergents that are loosened from the floor during cleaning can also produce unpleasant odours
If the floor cleaner rattles loudly when switched on, it is possible that the rollers are too dry or have become deformed.
If the rollers are too dry, activate boost mode (only on the FC 8 and FC 7) and move the device back and forth until the rollers are sufficiently wetted. Alternatively, you can wet the rollers under the tap.
To prevent the rollers from becoming deformed, always store the device on the parking station provided and never store it directly on the floor.
Charge the battery.Disconnect the charging cable, as the device cannot be operated with the charging cable plugged in.
The FC 7 may overheat at high ambient temperatures, when used with dry rollers or when used on carpet. Leave the device to cool down for around 2.5 hours. The device can only be switched on again once it has cooled down. It is possible to charge the FC 7 while it is cooling down.
If the rollers won't turn, this could be because they are blocked, not wet enough or because the motor is blocked, for example due to excessive pressure on the rollers or coming into contact with a wall.
If the motor is blocked, switch the floor cleaner off and on again.
If the rollers are blocked:
Remove the rollers and check whether anything is jammed in the rollers.Check whether the rollers are screwed into the roller holder as tightly as possible.Check whether dirt has gathered in the hair filters in the floor head and, if so, remove it.Check whether the hair filters are correctly inserted. To do this, remove the hair filters and then reinsert them again.
If the rollers are not wet enough:
Switch the device off, remove the hair filters and switch the device on again without the hair filters fitted. Press the boost button and move the device back and forth until the rollers are sufficiently wetted. Then you can reinsert the hair filters.Alternatively, remove the rollers and wet them under the tap.
As soon as the dirty water tank on the FC 7 exceeds a volume of 200 millilitres, the automatic device switch-off function is activated.
Using detergents from other manufacturers or using too much detergent can cause an excess of foam to develop and causes the device to shut down automatically before the 200 millilitres is reached. This is why we recommend that you use only Kärcher detergents and pay close attention to the correct dosage.
If the rollers are too dry, please test the following: Run the device without the rollers fitted. The dirty water tank must be fitted and the fresh water tank must be filled. If four drops of water are left on the floor, the wetting function is working. We recommend wetting the rollers under the tap before inserting them. Alternatively, you can wet the rollers by activating boost mode. Move the device back and forth until the rollers are sufficiently wetted. If four drops of water do not appear on the floor, it may be because the fresh water filter is dirty. If this is the case, remove the fresh water tank and pull out the filter below it. Clean the fresh water filter under running water and then reinsert it.
This fault can also occur if the fresh water nozzles (see image) are blocked. Clean the nozzles with a cloth or a soft brush.
If the fault persists, please contact one of our service partners or send us your device for repair.
If the rollers are too dry, please test the following: Run the device without the rollers fitted. The dirty water tank must be fitted and the fresh water tank must be filled. If four drops of water are left on the floor, the wetting function is working. We recommend wetting the rollers under the tap before inserting them. Alternatively, you can wet the rollers by activating boost mode. Move the device back and forth until the rollers are sufficiently wetted. If four drops of water do not appear on the floor, it may be because the fresh water filter is dirty. If this is the case, remove the fresh water tank and pull out the filter below it. Clean the fresh water filter under running water and then reinsert it.
This fault can also occur if the fresh water nozzles (see image) are blocked. Clean the nozzles with a cloth or a soft brush.
If the fault persists, please contact one of our service partners or send us your device for repair.
The error can also appear if the fresh water nozzles (see image) are blocked. Clean the nozzles with a cloth or a soft brush. If the error persists, please contact one of our service partners or send us your device for repair.
The error can also appear if the fresh water nozzles (see image) are blocked. Clean the nozzles with a cloth or a soft brush. If the error persists, please contact one of our service partners or send us your device for repair.
If the display indicates the dirty water tank is full even though the tank is empty, it is possible that the contacts that detect the fill level are dirty. Clean the contacts with a damp cloth.
If the fault persists, please contact one of our service partners or send us your device for repair.
If the "Fresh water tank empty" error message appears even though the fresh water tank has been filled, this may be because deposits of detergent are covering the contact surfaces of the sensor. If this happens, remove the fresh water tank and the foam filter beneath it and use a cotton bud to clean the contact surface of the fresh water sensor. The contact surface can be found in the water inlet hole.
If your floor cleaner won't pick up dirt, take the following steps:
Fill the fresh water tank and insert it into the device, ensuring it is securely in place.Insert the dirty water tank correctly, so that it audibly clicks into place. Also check whether the cover of the dirty water tank is correctly in place (locking tab must slot into the corresponding recess).Insert the hair filters and rollers correctly into the device. The rollers must be screwed into the roller holder as tightly as possible. Clean the rollers when they are dirty and replace them when they are worn.Wet the rollers by activating the boost function (FC 7, FC 8) or under the tap. Move the device back and forth until the rollers are sufficiently wetted.Clean the fresh water filter. To do this, remove the fresh water tank and the fresh water filter and clean the filter under running water.
The Kärcher floor cleaners are designed to wipe floors clean (no suction fan) and are perfectly suited for floors with a maximum height difference of 1 millimetre. Small 1-millimetre feet on the dirty water tank ensure the correct distance is maintained between the movable sweeping rim and the floor. This is necessary to ensure that the floor cleaner delivers a perfect mopping function while at the same time picking up coarse dirt (2-in-1). On very uneven tiled floors with gaps of more than 1 millimetre, this can cause problems as the movable sweeping rim can get caught and consequently damaged.
It is also possible that the studs on the underside of the dirty water tank have become damaged or worn. If this is the case, please contact the authorised customer service team.
Insert the hair filters correctly into the device.Replace the rollers if they are worn.
Empty the full dirty water tank.Push the dirty water tank into the device so that it audibly clicks into place. The dirty water tank must be securely in place in the device.Check whether the hair filters are correctly inserted.If the dirty water tank is damaged, please contact the authorised customer service team.
If there is no water in the dirty water tank after cleaning, it may be because the device was set to a cleaning mode that applies very little water. In this instance, so little water from the fresh water tank is applied that it all remains on the floor, leaving barely any water for the rollers to wipe up.
The charging plug or the mains plug is not properly connected.Connect the charging plug or mains plug correctly.
Check whether the device and the app are connected to each other via Bluetooth. You can establish the connection via the FC 8 device card in the app. To do this, Bluetooth must be switched on both on the device and in the app.
When completing the registration manually, please check whether you have typed in the part numbers and serial numbers correctly. You can find the numbers on the underside of the floor head.It is also possible that the cloud registration service is currently unavailable. If this is the case, try again later.Another possibility is that the serial number could not be verified. If this is the case, please contact the authorised customer service team.
Both devices must have Bluetooth switched on.The device and the smartphone must not be too far away from each other.When pairing the app and device for the first time, the pairing process must be launched from the device first and then in the app. You can find the pairing menu in your device settings.
* The Kärcher floor cleaners achieve up to 20 percent better cleaning performance compared to a conventional wiping mop with wiping cloth cover in the "Wiping" test category. Refers to average test results for cleaning efficiency, dirt pick-up and edge cleaning.
** The Kärcher floor cleaners can halve your cleaning time, since common household dirt can be removed from hard floors in a single step, doing away with the need to vacuum before mopping.
*** When cleaning a floor area of 60 square metres, the Kärcher floor cleaners use up to 93 percent less water compared to a conventional wiping mop and bucket filled with 5 litres.
**** When cleaning in direct contact with the surface to be cleaned, up to 99.9% of all common household bacteria found on smooth hard surfaces in the household are killed (test germ: Enterococcus hirae). According to the 4-field test (based on DIN EN 16615:2015-06).
FC 2-4: 99%, FC 4-4: 99%, FC 7: 99.9%, FC 8: 99.9%
