Kärcher HDS 7/9-4 M Mode D'emploi page 26

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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
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