Troubleshooting - Kärcher HDS 551 C Eco Original Instructions Manual

Troubleshooting

Danger
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
First pull out the plug from the mains before
carrying out any tasks on the machine.
Indicator lamp fuel shortage glows
Only HDS 558.../601.../698.../798...
Fuel tank empty
–
 Refill.
Indicator lamp "Ready for use"
Engine overload/overheat
–
 Turn device switch on "0" and let engine
cool off for min. 5 minutes.
 If malfunction still occurs, have device
checked by customer service.
Indicator lamp liquid softener glows
Only HDS 558.../601.../698.../798...
Liquid softener tank is empty, due to
–
technical reasons a remainder stays in
the tank.
 Refill.
Electrodes in the tank are dirty
–
 Clean the electrodes.
Indicator lamp for detergent glows
Only HDS 558.../601.../698.../798...
Detergent tank is empty.
–
 Refill.
Indicator light exhaust temperature
limiter glows
Heating spiral calcified/sooty resp. ex-
–
haust temperature to high
 Set the appliance switch to "0".
 Allow device to cool down.
 Set the appliance switch to "I".
Appliance is not running
No power
–
 Check power connection/conduit.
34
turns off
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 regula-
tor 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 tech-
nical data).
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.
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
supply, until the swimmer tank is
sucked empty and the pressure falls to
"0".
 Open the water supply again.
– 10
EN