While you wait for answers, we may have found some information which could help you.
Click here for Switch Control Modelmy Karcher profi line HD650 doesnt start up withy battery what can i do?
karcher 211 +?
problem with karcher pressure washer?
my karcher is leaking at the gun?
How can I fit the spring in my pressure switch control unit- Model 520M?
Karcher pressure washer makes a loud noise?