Kärcher HDC 60/12 Advanced Manual page 27

Fault
Error number 47 is displayed
(although the nominal pressure
was not reached, more than
400 litres of water flow back into
the float container over a period
of more than 25 seconds)
Error code 48 is displayed
Error code 49 is displayed
Error code 50 is displayed
Error code 52 is displayed
Possible cause
Overflow valve adjusted incorrectly. Adjust the overflow valve correctly.
Overflow valve is defective.
Nominal pressure entered incor-
rectly in the display menu.
Pressure sensor for high pressure
defective.
Flowmeter defective.
HDC type incorrectly set in the dis-
play menu.
Flowmeter does not emit signal.
Pressure sensor for high pressure
does not transmit signal.
Temperature sensor in the float
container does not transmit signal.
Remedy
Replace overflow valve.
Enter nominal pressure correctly.
Replace pressure sensor or cable.
Replace flow meter.
Set HDC type to Advanced.
Check flowmeter, replace if required.
Check pressure sensor and cable, replace if
necessary. Check board A5.
Check temperature sensor and cable, replace
if necessary. Check board A5.
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