Kärcher HDS 1000 BE Operating Instructions Manual page 30

Device is not building up pressure
– Operating speed of the engine is too
low
 Check operating speed of the engine
(refer to technical data).
– HDS 1000 BE: Spark plug (motor) is
dirty/ defective
 Clean or replace the spark plug.
– Nozzle is blocked/ washed out
 Clean/ replace nozzle.
– Sieve in the water connection is dirty
 Clean sieve.
– Amount of water supply is too low.
 Check water supply level (refer to tech-
nical data).
– Pipe inlets to pump are leaky or blocked
 Check all inlet pipes to the pump.
– Air within the system
Vent pump:
 Set dosing value for detergent to "0".
 Open the water supply.
 Start the engine according to the oper-
ating instructions of the engine manu-
facturer.
 To dearate the appliance, unscrew the
nozzle and allow the appliance to run
until the water exits in a bubble-free
state.
 Switch off the appliance and fit the noz-
zle again.
High pressure side is leaky
– Pump leaky
Note: 3 drops/minute are allowed.
 With stronger leak, have device
checked by customer service.
High pressure pump is vibrating
– Inlet pipes to the pump are leaky.
 Check all inlet pipes to the pump.
– Air within the system
Vent pump:
 Set dosing value for detergent to "0".
 Open the water supply.
 Start the engine according to the oper-
ating instructions of the engine manu-
facturer.
30
 To dearate the appliance, unscrew the
nozzle and allow the appliance to run
until the water exits in a bubble-free
state.
 Switch off the appliance and fit the noz-
zle again.
Device is not sucking in detergent
– Detergent suction hose with filter is
leaky or blocked
 Check/ clean detergent suction hose
with filter.
– Backflow valve in the connection of the
detergent suction hose is jammed
 Clean/ replace backflow valve in the
connection of the detergent suction
hose.
– Detergent dosing valve is closed or
leaky/ blocked
 Open or check/clean detergent dosing
valve.
Overflow valve keeps switching on/
off when the hand-spray gun is
– Nozzle is blocked
 Clean the nozzle.
– Appliance is decalcified
 Decalcify appliance.
– Sieve in the water shortage safe guard
is dirty
 Clean sieve.
– Overflow valve is defective
 Replace overflow valve (Customer Ser-
vice).
Burner does not start
– Fuel tank empty
 Refill.
– Water shortage
 Check water supply, check connections.
 Clean sieve in the water shortage safe
guard.
– Fuel filter dirty
 Change fuel filter.
– No ignition spark
 If device is in use and no ignition spark
can be seen through the viewing glass,
have device checked by customer ser-
vice.
– 11
EN
opened