Kärcher HDS 551 C Eco Betriebsanleitung Seite 34

Indicator light exhaust temperature
limiter glows
Figure 2 - Pos. 6
– Heating spiral calcified/sooty resp. ex-
haust temperature to high
Control exhaust temperature limiter.
Figure 1 - Pos. 13
Press reset button of the exhaust tem-
perature limiter.
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.
With open gun, open and close regulator
spindle (Figure 6) (not HDS 551 C Eco).
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.
– Amount of water supply is too low.
Check water supply level (refer to techni-
cal data).
Device leaks, water drips from the
bottom of the device.
– Pump leaky
Note
3 drops/minute are allowed.
34
English
With stronger leak, have device checked
by customer service.
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
Only HDS 558.../601.../698.../798...
Leave device running with open deter-
gent dosage valve and closed water sup-
ply, 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
Figure 11
Remove the detergent hose and loosen
the backflow valve using a blunt object.
HDS 551 C Eco only
– High pressure nozzle is installed
Replace high pressure nozzle with sup-
plied low pressure nozzle or switch mul-
tiple nozzle to position "Chem".
– Filter in the detergent suck hose dirty
Clean filter.
Burner does not start
– Fuel tank empty
Refill.
– Water shortage
Check water supply, check connections,
clean water shortage safeguard.
– Fuel filter dirty
Change fuel filter.