zanussi zwf 1440w error code E30?

pressure switch and hydraulic system fault.could be faulty pressure switch or pressure hose or pcb or blockage.you can check for blockages and split/blocked pressure hose but the pressure switch and pcb are more difficult.the other obscure fault on these which gives this fault is a heating element with a low impedance to earth (>10meg).you will need a megger to check this

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April 2008