Karcher HDS 5-0-30 -4S Ec - Manual (Page 18)

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Note: Burner can operate 5 more hours.
– System care tank is empty, due to tech-
nical reasons a remainder stays in the
tank.
 Refill system care.
Note: Burner operation no longer possible.
– System care container is empty.
 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 accelerated.

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 neces-
sary.
– Amount of water supply is too low.
 Check water supply level (refer to tech-
nical data).
– Pump leaky
Note: 3 drops/minute are allowed.

With stronger leak, have device
checked by customer service.
– Leak in the high pressure system
 Check high pressure system and con-
nections for tightness.
 Leave device running with open deter-
gent 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 deter-
gent, 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 backflow valve using a blunt object.
Indicator lamp system care is illumi-
nated
Indicator lamp system care is blink-
ing
Indicator lamp detergent 1 is illumi-
nated
Indicator lamp detergent 2 is illumi-
nated
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
18 EN