Care And Maintenance; Faults - Kärcher BD 30/4 C Manual

Care and maintenance

DANGER
Risk of injury if the machine is left run-
ning in an unattended state.
Turn the appliance off and remove the
battery before carrying out any tasks
on the machine.
ATTENTION
Risk of damage to the device on ac-
count of water leakage. Empty the
waste water tank and the fresh water
tank prior to performing maintenance
tasks on the device.
Maintenance schedule
After the work
ATTENTION
Risk of damage. Do not sluice the ap-
pliance with water and do not use ag-
gressive detergents.
 Empty the waste water tank.
 Rinse the waste water tank with
clear water.
 Clean the lid of the waste water
container under running water.
Clean the float valves with a wet
cloth.
Flush the opening marked "A" with
water.
Blow out the opening marked "C"
with compressed air.
 Empty the fresh water reservoir.
 Rinse the appliance: Fill the fresh
water reservoir with clear water
(without detergent) and let the ap-
pliance run for one minute with the
brush water supply turned on.
 Empty the fresh water reservoir.
 Clean the outside of the appliance
with a damp cloth which has been
soaked in mild detergent.
 Clean the vacuum bar, check for
wear and replace the suction lips if
required (see "Maintenance
tasks").
 Clean the suction hose.
 Clean the brush and check for wear
and tear.
Minimum bristle length: 10 mm.
 Charge the battery.
Weekly
 Clean the detergent solution filter
(see "Maintenance tasks").
Yearly
 Have the prescribed safety inspec-
tion carried out by an electrician.
Maintenance Works
Clean the suction bar
Figure 10, see cover page
1 Suction bar support
2 Vacuum bar
3 Suction hose
4 Seal
5 Vacuum lip
 Swivel the vacuum bar onto the
front side of the device.
 Pull out the suction hose from the
vacuum bar.
 Turn the locks by 90° in an anti-
clockwise direction.
 Raise the holder and remove the
vacuum bar (do not lose the seal).
 Rinse off the vacuum bar and suc-
tion lips using water and then clean
them with a wet cloth.
 Check the suction lips.
Turn or replace the worn suction
lips.
 Reattach the vacuum bar to the de-
vice.
Exchanging the brush
 Remove the fresh water reservoir.
 Remove the waste water tank.
 Pull the steering device unlocking
mechanism upwards and hold it.
 Swivel the steering device into the
vertical position.
 Release the unlocking mechanism
for the steering device.
 Tilt the appliance rearward.
 Pull out the brush.
 Push the new brush onto the driver
as far as it will go.
Cleaning the detergent solution
filter
 Remove the fresh and waste water
tanks.
 Remove the detergent solution filter
and rinse it off using water.
 Insert the filter again.
 Attach the fresh and waste water
tanks.
Frost protection
In case of danger of frost:
 Empty the fresh and dirt water res-
ervoirs.
 Store the appliance in a frost-pro-
tected room.
5
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EN

Faults

DANGER
Risk of injury if the machine is left run-
ning in an unattended state.
Turn the appliance off and remove the
battery before carrying out any tasks
on the machine.
ATTENTION
Risk of damage to the device on ac-
count of water leakage. Empty the
waste water tank and the fresh water
tank prior to performing maintenance
tasks on the device.
In case of faults that cannot be reme-
died using the table below please con-
tact the customer service.
Machine does not start
 Set main switch to "1".
 If an error message appears on the
display, switch off the device imme-
diately and call Customer Service.
 Insert the battery into the device
correctly.
 Read off the charging state of the
battery on the display, charge the
battery if necessary.
Problems when charging the
battery
 Make sure the power cable is con-
nected correctly between the
charger and socket.
 Check whether the charger is suita-
ble for the available power supply.
Error display on the charger
– Red LED flashes once
The battery is defective.
– Red LED flashes twice or three
times
Fault in the charger.
Unplug the charger, wait briefly,
then plug it back in.
If the fault recurs, call customer ser-
vice.
– Red LED flashes four times
Charger overheated.
Place the charger in a free-standing
position so that there is enough
ventilation for it to cool off.
Wait until the charger has cooled
off.
Battery empty after a brief
operating period
 Fully charge the battery.
Too little detergent solution
 Check the fill level of the fresh water
tank.
 Increase the detergent solution
dosing.
 Clean the detergent solution filter.
7