Kärcher HDS 1000 DE 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.
verflow valve keeps switching on/
off when the hand-spray gun is
opened
– 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.
EN – 11