Kärcher HDS 7/9-4 M Bedienungsanleitung Seite 26

Clean sieve in the water shortage safe guard
 Unpressurize the appliance.
 Loosen covering nut and take off hose.
 Take out sieve.
Note: If necessary turn in screw M8 appr. 5 mm inwards
and therewith pull out sieve.
 Clean sieve in water.
 Push sieve inwards.
 Put on hose.
 Tighten covering nut firmly.
Clean filter at the detergent suck hose
 Take out detergent suck supports.
 Clean filter in water and reinstall.
Oil change
 Ready a catch bin for appr 1 Litre oil.
 Loosen release screw.
Dispose of old oil ecologically or turn in at a gathering
point.
 Tighten release screw.
 Fill oil slowly up to the MAX marking.
Note: Air pockets must be able to leak out.
For oil type refer to technical specifications.
Troubleshooting
DANGER
Risk of injury by inadvertent start-up of appliance and
electric shock. Prior to all work on the appliance, switch
off the appliance and pull the power plug.
Indicator lamp pump
2x blinking
– Leak in the high pressure system
 Check high pressure system and connections for
tightness.
3x blinking
– Water shortage
 Check water supply, check connections.
4x blinking
– Obstructed reed switch in the water shortage safe
guard.
 Check water shortage safe guard.
Indicator lamp of rotational direction is
blinking (not HDS 7/9, HDS 7/10, HDS 7/12)
Figure 12
 Exchange the poles at the appliance plug.
Indicator lamp "Ready for use" turns off
– No line voltage, see "Appliance is not running".
Engine indicator lamp
1x blinking
– Contactor error
 Set the appliance switch to "0/OFF".
 Turn on the appliance.
– Error occurs repeatedly.
 Inform Customer Service.
26
2x blinking
– Engine overload/overheat
 Set the appliance switch to "0/OFF".
 Allow device to cool down.
 Turn on the appliance.
– Error occurs repeatedly.
 Inform Customer Service.
3x blinking
– Fault in the voltage supply.
 Check main connections and mains fuse.
4x blinking
– Excessive power consumption.
 Check main connections and mains fuse.
 Inform Customer Service.
Indicator lamp burner failure
1x blinking
– The exhaust temperature limiter has been trig-
gered.
 Set the appliance switch to "0/OFF".
 Allow device to cool down.
 Turn on the appliance.
– Error occurs repeatedly.
 Inform Customer Service.
2x blinking (option)
– The flame sensor turned the burner off.
 Inform Customer Service.
3x blinking
– System care detection defective
 Inform Customer Service.
4x blinking
– Temperature sensor defective
 Inform Customer Service.
Indicator lamp service
– Service interval
 Perform service work.
Fuel indicator lamp glows
– Fuel tank empty.
 Refill fuel.
Indicator lamp system care is illuminated
Note: Burner can operate 5 more hours.
– System care bottle empty.
 Replace the system care bottle.
Indicator lamp system care is blinking
Note: Burner operation no longer possible.
– System care bottle empty.
 Replace the system care bottle.
Detergent indicator light 1 is illuminated
(HDS 12/18, HDS 13/20 only)
– Detergent tank 1 is empty.
 Refill detergent.
Detergent indicator light 2 is illuminated
(HDS 12/18, HDS 13/20 only)
– Detergent tank 2 is empty.
 Refill detergent.
– 7
EN