Kärcher hds 895 Operating Instructions Manual page 24

HDS 895
GB
7.7 The appliance switches on and off
continuously
·
Clean the high-pressure nozzle.
·
Check whether the heating element is calcified
(see chap. 6).
·
Attach a larger nozzle when using high-
pressure extension hoses.
7.8 Burner does not ignite
·
The ignition sparks can be observed through
the inspection window in the burner cover.
The appliance has a continuous ignition., i.e.
even when operating with cold water an ignition
spark must be visible. Clean, adjust or replace
the ignition electrodes as required ( diagram
3 ).
- Fill the fuel tank.
- Check that the fuel pump and the fuel
solenoid valve function correctly.
- Clean the strainer in the low-water safety
device ( diagram 2 ).
- Change the fuel filter.
- Check the direction of rotation of the engine.
If the direction of rotation is correct, there
will be a powerful air flow from the exhaust
gas opening of the burner.
7.9 The temperature is not reached
when operating with hot water/steam
·
Set the thermostat higher.
·
Reduce the operating pressure and the flow
rate.
·
Check whether the heating element is sooted
(see chap. 6).
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7. Troubleshooting