Kärcher HDS-E 8/16-4M Originalbetriebsanleitung Seite 28

Indicator lamp system care is
illuminated
Note: Heater can only operate 5 more
hours.
– System care bottle empty.
 Replace the system care bottle.
Indicator lamp system care is
Note: Heater operation no longer possible.
– System care bottle empty.
 Replace the system care bottle.
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 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).
28
blinking
Device leaks, water drips from the
bottom of the device
– Pump leaky
Note: 3 drops/minute are allowed.
 With stronger leak, have device
checked by customer service.
Note: Condensate can cause increased
drop generation on the appliance.
Device turns on and off while hand
spray gun is closed
– Leak in the high pressure system
 Check high pressure system and con-
nections for tightness.
Device is not sucking in detergent
 Leave the appliance running with open
detergent dosing valve and closed wa-
ter supply, until the boiler 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.
Boiler does not heat up
– System care bottle empty.
 Replace the system care bottle.
– Water shortage
 Check water supply, check connections.
– Heater defective.
 Inform Customer Service.
Set temperature is not achieved
while using hot water
– Working pressure/flow rate to high
 Reduce working pressure/flow quantity
at the pressure/volume regulator in the
pump unit.
– 10
EN