Kärcher HDC 60/12 Advanced Manual page 26

Fault
Appliance is not running
Pump starts during the stand-by
period and not when the hand
spray gun is opened.
Full pressure does not build up
in the appliance
High pressure pump is knock-
ing; manometer is swaying wild-
ly
Overflow valve opens and clos-
es continuously during 0 takeo-
ver
Error code 01 is displayed
Error number 10, 11, 12, 13 is
displayed
Error code 14 is displayed
Error number 18, 19, 20, 21 is
displayed
Error code 26 is displayed
Error code 40 is displayed
Error code 41 is displayed
Error code 42 is displayed
Error code 43 is displayed
Error code 45 is displayed
Error code 46 is displayed
26
Possible cause
There is no voltage in the machine. Check electrical mains.
Motor protection switch for the con-
trol has been triggered.
Pressure sensor for high pressure
or cable to pressure sensor defec-
tive.
Flushed the nozzle.
Suction site pipe leaking.
Safety valve is leaky.
Overflow valve is leaking or set too
low.
Valve in the pump defective, high-
pressure solenoid valve does not
close.
Pump is sucking air.
Valve plate or valve spring is defec-
tive.
Advance pump calcified or defec-
tive.
Leakage in the high-pressure pipe-
line system or hand spray gun leak-
ing.
Backflow valve or control piston
seal leaking in overflow valve.
Control board defective, green
LEDs are not blinking.
Overflow protection switch of the
respective high pressure pump has
been triggered.
Motor protection switch has been
triggered or frequency inverter not
ready.
Thermal sensor of the respective
motor has been triggered.
Overflow protection switch of the
advance pressure pump has been
triggered.
The water shortage safeguard in
the swimmer tank has got activat-
ed.
Swimmer valve is jammed.
The temperature sensor in the
swimmer tank has been activated.
Leakage in the high-pressure pipe-
line system.
Too many consumer loads open at
the same time.
Pressure sensor for high pressure
defective.
Leakage in the high-pressure pipe-
line system.
Pressure sensor for high pressure
defective.
Pressure too high (> 300 bar).
Pressure sensor for high pressure
defective.
Flowmeter issues signal > 50 l/min
flow, although no pump is running.
Remedy
Check motor protection switch.
Replace pressure sensor or cable.
Replace the nozzle.
Check screw fittings and hoses.
Check the setting; install new washers, if re-
quired.
Check valve parts; replace damaged parts;
clean the dirt.
Replace defective components.
Check suction system and remove leaks.
Replace defective components.
Check advance pump.
Locate and seal leakage.
Repair the overflow valve.
Check control board, replace if necessary.
Rectify cause for over-loading.
Rectify cause for over-loading.
Rectify cause for over-loading.
Rectify cause for over-loading.
Remove the water shortage.
Check swimmer valve for free movement.
Reduce water infeed temperature.
Locate and seal leakage.
Close some consumer loads.
Replace pressure sensor.
Locate and seal leakage.
Replace pressure sensor.
Incorrect nozzle inserted. Insert correct noz-
zle.
Replace pressure sensor or cable.
Check flowmeter, replace if required.
10
-
EN
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