Kärcher HDS 7/16 C Manual page 20

Cleaning the fine filter
 Unpressurize the appliance.
 Unscrew the fine filter from the pump head.
 Remove the fine filter and the filter insert.
 Clean the filter with clean water or compressed air.
 Reinstall in reverse sequence.
Clean the fuel sieve
 Knock the dirt off of the fuel sieve. Do not let the
fuel enter the environment.
Clean sieve in the water shortage safe guard
 Unpressurize the appliance.
 Remove the fastening clamp and pull out the hose
(soft damping system) of the lack of water fuse.
 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.
 Slide the hose adapter all the way into the lack of
water fuse and secure it with a fastening clamp.
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 rotation direction is blinking
Figure 11
 Exchange the poles at the appliance plug.
Indicator lamp "Ready for use" turns off
– No line voltage, see "Appliance is not running".
Indicator lamp service
1x blinking
– Water shortage
 Check water supply, check connections.
– Leak in the high pressure system
 Check high pressure system and connections for
tightness.
2x blinking
– Fault in the voltage supply or current pickup of the
motor too high.
 Check main connections and mains fuse.
 Inform Customer Service.
20
3x 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.
4x blinking
– The exhaust temperature limiter has been triggered.
 Set the appliance switch to "0/OFF".
 Allow device to cool down.
 Turn on the appliance.
– Error occurs repeatedly.
 Inform Customer Service.
5 x blink
– Obstructed reed switch in the lack of water fuse or
magnetic piston stuck.
 Inform Customer Service.
6 x blink
– The flame sensor turned the burner off.
 Inform Customer Service.
Fuel indicator lamp glows
– Fuel tank empty.
 Refill fuel.
Indicator lamp system care is illuminated
– System care container is empty.
 Refill system care.
Indicator lamp for detergent glows
– Detergent tank is empty.
 Refill detergent.
Appliance is not running
– No power
 Check power connection/conduit.
Device is not building up pressure
– Air within the system
Vent pump:
 Set dosing value for detergent to "0".
 With open hand spray gun turn device on and off
multiple times with the device switch.
 Open and close the pressure/quantity regulation at
the pump unit with the hand spray gun open.
Note: By dismantling the high pressure hose from the
high pressure connection the venting process is accel-
erated.
 If detergent tank is empty, refill.
 Check connections and conduits.
– Pressure is set to MIN
 Set pressure to MAX.
– Sieve in the water connection is dirty
 Clean sieve.
 Clean the fine filter; replace it, if necessary.
– Amount of water supply is too low.
 Check water supply level (refer to technical data).
Device leaks, water drips from the bottom of
– Pump leaky
Note: 3 drops/minute are allowed.
 With stronger leak, have device checked by cus-
tomer service.
– 6
EN
the device