beko wm61235 not draining?

I have the above model washing machine it will not drain it is blocked I know but the dial on front bottom right hand side of machine only turns left to right but does not come off and it does not seem to open a valve anywhere underneath to release blockage like on previous different named machines what can i do as cannot afford to get a repair man out cannot find manual cannot get manual on line it is a new machine any ideas Thanks in advance