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Caution
Make sure that the power cable or ex-
tension cables are not damaged by run-
ning over, pinching, dragging or similar.
Protect the power cable from heat, oil,
and sharp edges.
Never fill solvents, solvent-containing
liquids or undiluted acids (e.g. deter-
gents, benzene, paint thinner, and ace-
tone) into the water reservoir as these
substances affect the materials used on
the appliance.
The appliance must not be carried dur-
ing cleaning.
The appliance must provide of a stable
ground.
Use and store the unit only in accord-
ance with the specifications in the de-
scription and/or figure.
The steam switch must not be locked
during the operation.
Protect the appliance from rain. Do not
store outside.
All manuals and user guides at all-guides.com
Caution
Safety devices protect the user and must
not be modified or bypassed.
Pressure controller
The pressure controller keeps the boiler
pressure during the operation as constant
as possible. The heating is turned off if the
maximum operating pressure of 4 bar is
reached in the boiler and is reactivated in
case of a pressure drop in the boiler due to
steam tapping.
Boiler thermostat
If, in case of a malfunction, there is no wa-
ter in the boiler, the temperature in the boil-
er rises. The boiler thermostat turns off the
heating. Once the boiler is filled, normal op-
eration can continue.
Safety thermostat
The safety thermostat turns off the appli-
ance if the boiler thermostat and the pres-
sure controller fails and the appliance
overheats in case of a malfunction. Please
contact your local KÄRCHER customer
service to arrange for the reset of the safety
thermostat.
Maintenance lock
The maintenance lock acts as a pressure
control valve at the same time. It seals the
boiler against the steam pressure that
builds up in the boiler.
If the pressure controller is defect and the
steam pressure in the boiler rises, the pres-
sure control valve, and steam is emitted
through the maintenance lock to the out-
side.
Please contact your local KÄRCHER cus-
tomer service before you put the appliance
into operation again.
Safety Devices
English 5
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