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Karcher BD 70-75 W Manual

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English 19
Faults that are not displayed
Warranty
The warranty conditions issued by our rele-
vant sales company apply in all countries.
We shall remedy possible malfunctions on
your appliance within the warranty period
free of cost, provided that a material or
manufacturing defect is the cause. In a war-
ranty case, please contact your dealer (with
the purchase receipt) or the next author-
ised customer service site.
(See overleaf for the address)
Accessories BD variant
red green - green - Malfunction during charging pro-
cess.
Unplug the mains plug of the charger. Wait 10 seconds. Re-
insert the mains plug. If the malfunction is displayed again,
replace the charger.
red green - green green
red green green - - The battery is too cold to output
power.
Move the device to a warmer place and wait until the battery
has warmed up.
red green green green - Power output malfunction. Switch off the device. If the malfunction persists, contact Cus-
tomer Service.
(1) (2) (3) (4) (5) Cause Rectification
Malfunction Rectification
The device cannot be started 1. Turn the key-operated switch to "1".
2. Unlock the emergency stop button on the control panel by turning it. (Note: not all device versions
are equipped with an emergency stop button)
3. Actuate the safety switch.
4. Insert the battery plug.
5. Check the battery and charge if necessary.
6. Check that the battery terminals are correctly connected.
The water volume is insuffi-
cient
1. Check the fresh water filling level and fill the tank if necessary.
2. Increase the water volume at the water volume regulating knob.
3. Clean the fresh water filter.
4. Check the hoses for clogging and clean if necessary.
The suction performance is
too low
1. Shut down the device and drain the waste water.
2. Clean the seals between the waste water tank and the cover, check for leaks and replace if neces-
sary.
3. Check that the suction hose is correctly connected to the waste water tank.
4. Check the fluff filter for soiling and clean if necessary.
5. Clean the suction lips at the suction bar, turn over or replace if necessary.
6. Check that the cap on the waste water drain hose is closed.
7. Check the adjustment of the suction bar.
8. Check the suction hose for clogging and clean if necessary. The white marking on the hose must
lie at the retaining clip when the suction hose is re-inserted.
9. Check the suction hose for leaks and replace if necessary.
The cleaning results are un-
satisfactory
1. Reduce the driving speed.
2. Check the brushes for wear and replace if necessary.
3. Check the suitability of the brush type and detergent used.
The suction turbine runs at
an increased speed
1. Drain the waste water.
2. Clean the float.
3. Check the fluff filter and clean if necessary.
4. Check the suction hose for clogging and clean if necessary.
5. Check the suction bar for clogging and remove any clogging if necessary
The brushes do not rotate 1. Check if the brushes are blocked by a foreign body and remove the foreign body if necessary.
The device vibrates during
cleaning
1. Use a softer brush.
The "Battery disconnected"
LEDs, 80% and 100% on the
charger light up several times
in succession
1. The charger is in the recharging phase. In this phase, the state of charge of the individual battery
cells is equalised. A fault is only present if the "Battery disconnected" LED lights up continuously.
The battery cannot be
charged
The battery is deeply discharged and cannot be woken up by the charger.
1. Connect the charger to the mains connection and to the battery.
2. Press the button on the battery for longer than 5 seconds. The battery is woken up and the charging
process starts.
Description BD 70/75
part no.
BD 80/100
part no.
Description
Disc brush, white (soft) 4.905-011.0 4905-030.0 For cleaning lightly soiled or sensitive floors
Disc brush, natural colour (soft) 4905-012.0 4905-031.0 Made of natural fibres for cleaning and polishing
Disc brush, red (medium, standard) 4905-010.0 4.905-000.0 For use in all common cleaning tasks
Disc brush, black (hard) 4905-013.0 4905-032.0 For heavy soiling and basic cleaning, only for non-sensitive surfaces
Pad drive board 4762-590.0 4762-447.0 For cleaning with pads, with quick-change coupling and centre-lock
… 19 …


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