Kärcher HDS 801 D, Instructions Manual

Page: 25 / 340

– 10
 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.
–
Nozzle is blocked.
 Clean the nozzle.
–
Safety valve is displaced.
 Adjust safety valve (Customer Service).
–
Nozzle is set to "High pressure"

Set nozzle to "CHEM".
–
Detergent suction hose with filter is
leaky or blocked
 Check/ clean detergent suction hose
with filter.
–
Washer is defective.

Inform Customer Service.
–
Temperature limiter has got triggered
again.
 Get the device checked by Customer
Service.
–
Fuel tank empty
 Refill.
–
Water shortage
 Check water supply, check connec-
tions, clean water shortage safeguard.
–
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 be seen through the viewing glass,
have device checked by customer ser-
vice.
–
Uneven spraying of fuel at the burner
nozzle
 Clean fuel filter.
–
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
safe guard.
 Clean sieve in the water shortage safe
guard.
–
Valves in the high pressure pump are
leaky or dirty.
 Inform Customer Service.
If malfunction can not be fixed, the de-
vice must be checked by customer ser-
vice.
Water jet is not uniform
Device is not sucking in detergent
Oil in the high pressure pump is
milky
Burner does not start
Water scarcity safeguard does not
switch on - no flame
Customer Service
25 EN