Kärcher HDS 13/20-4 S, Manual

Page: 23 / 272

– 7
– Contactor error
 Set the appliance switch to "0/OFF“.
 Turn on the appliance.
– Error occurs repeatedly.
 Inform Customer Service.
– 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.
– Fault in the voltage supply.
 Check main connections and mains fuse.
– Excessive power consumption.
 Check main connections and mains fuse.
 Inform Customer Service.
– 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.
– The flame sensor turned the burner off.
 Inform Customer Service.
– System care detection defective
 Inform Customer Service.
– Temperature sensor defective

Inform Customer Service.
– Service interval
 Perform service work.
– Fuel tank empty.
 Refill fuel.
Note: Burner can operate 5 more hours.
– System care tank is empty, due to technical rea-
sons a remainder stays in the tank.
 Refill system care.
Note: Burner operation no longer possible.
– System care tank is empty, due to technical rea-
sons a remainder stays in the tank.
 Refill system care.
– Detergent tank 1 is empty.
 Refill detergent.
– Detergent tank 2 is empty.
 Refill detergent.
– No power
 Check power connection/conduit.
– 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).
– Pump leaky
Note: 3 drops/minute are allowed.
 With stronger leak, have device checked by cus-
tomer service.
– Leak in the high pressure system
 Check high pressure system and connections for
tightness.
 Leave device running with open detergent dosage
valve and closed water supply, until the swimmer
tank is sucked empty and the pressure falls to "0".
 Open the water supply again.
If the pump still is not sucking in any detergent, it could
be because of the following reasons:
–
Filter in the detergent suck hose dirty

Clean filter.
– Backflow valve stuck
 Remove the detergent hose and loosen the back-
flow valve using a blunt object.
Engine indicator lamp
1x blinking
2x blinking
3x blinking
4x blinking
Indicator lamp burner failure
1x blinking
2x blinking (option)
3x blinking
4x blinking
Indicator lamp service
Fuel indicator lamp glows
Indicator lamp system care is illuminated
Indicator lamp system care is blinking
Indicator lamp detergent 1 is illuminated
Indicator lamp detergent 2 is illuminated
Appliance is not running
Device is not building up pressure
Device leaks, water drips from the bottom of
the device
Device turns on and off while hand spray gun
is closed
Device is not sucking in detergent
23 EN