Kärcher HDS 801 B Manual Original página 23

Device is not building up pressure
– Nozzle is set to "CHEM"
 Set nozzle to "High pressure".
– Nozzle is blocked/ washed out
 Clean/ replace nozzle.
– Sieve in the water connection is dirty
 Clean sieve.
– Sieb in front of the water scarcity safe-
guard is dirty.
 Clean sieve.
– Amount of water supply is too low.
 Check water supply level (refer to tech-
nical data).
– Detergent tank is empty.
 Top up detergent orset dosing value for
detergent to "0".
– Detergent dosing valve is leaky.
 Check dosing valve.
– Safety valve is displaced.
 Adjust safety valve (Customer Service).
– Safety valve is leaky.
 Replace the safety valve and/or the
washer (Customer Service).
– Overflow valve is defective
 Replace overflow valve (Customer Ser-
vice).
– 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.
Water jet is not uniform
– Nozzle is blocked.
 Clean the nozzle.
– Safety valve is displaced.
 Adjust safety valve (Customer Service).
All manuals and user guides at all-guides.com
– Nozzle is set to "High pressure"
 Set nozzle to "CHEM".
– Detergent suction hose with filter is
 Check/ clean detergent suction hose
– Washer is defective.
 Inform Customer Service.
– Temperature limiter has got triggered
 Get the device checked by Customer
– Fuel tank empty
 Refill.
– Water shortage
 Check water supply, check connec-
– Fuel pump is defective
 Replace fuel pump (Customer Service).
– Fuel filter dirty
 Change fuel filter.
– No ignition spark
 If device is in use and no ignition spark can
– Uneven spraying of fuel at the burner
 Clean fuel filter.
Water scarcity safeguard does not
switch on - no flame
– Water inlet is closed.
 Open the water supply.
– Amount of water supply is too low.
 Increase water flow quantity.
– Sieve blocked in the water shortage
 Clean sieve in the water shortage safe
– Valves in the high pressure pump are
 Inform Customer Service.
– 9
EN
Device is not sucking in detergent
leaky or blocked
with filter.
Oil in the high pressure pump is
milky
Burner does not start
again.
Service.
tions, clean water shortage safeguard.
be seen through the viewing glass, have
device checked by customer service.
nozzle
safe guard.
guard.
leaky or dirty.
23