Kärcher HD 1050 B Mode D'emploi page 18

Frost protection
Warning
Risk of damage! Freezing water in the ap-
pliance can destroy parts of the appliance.
Store the appliance in a heated room dur-
ing winter or empty it. During longer breaks
in operation, it is advisable to pump in anti-
frost agents into the appliance.
Drain water
Screw off water supply hose and high
pressure hose.
Operate device for max. 1 minute until
the pump and conduits are empty.
Flush device with anti-freeze agent
Note
Observe handling instructions of the anti-
freeze agent manufacturer.
Pump in conventional frost protection
agents through the appliance.
A certain corrosion protection is achieved
with this as well.
Troubleshooting
Warning
Risk of injury if the machine is left running
in an unattended state. Remove the spark
plug before doing any work on the appli-
ance.
Risk of burns! Do not touch hot silencers,
cylinders or radiator ribs.
Appliance is not running
Follow operating instructions of the engine
manufacturer!
Device is not building up pressure
Operating speed of the engine is too
–
low
Check operating speed of the engine
(refer to technical data).
Nozzle is set to "CHEM"
–
Set nozzle to "High pressure".
Nozzle is blocked/ washed out
–
Clean/ replace nozzle.
Filter at the water connection is dirty
–
18
Clean filter.
Air within the system
–
Appliance ventilation:
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.
Device leaks, water drips from the
bottom of the device.
Pump leaky
–
Note
3 drops/minute are allowed.
With stronger leak, have device
checked by customer service.
Pump is vibrating
Inlet pipes to the pump are leaky.
–
Check all inlet pipes to the pump.
Air within the system
–
Appliance ventilation:
Detergent is not getting sucked in
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.
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.
If malfunction can not be fixed, the de-
vice must be checked by customer serv-
ice.
– 7
EN