Karcher say connect and run water for 5 to 10 minutes with machine switched off. This will fix an airlock.
Ron
June 2013
unlock the hose with your lance on it from the machine, connect the water supply and turn the water on leave it running for a couple of minutes,then turn the power on and leave swithched on,it should start up within a couple of minutes,when it does reconnect the lance,hopefully this will work.
den
April 2010
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