Pulsing Whirlpool dishwasher

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  • April 7, 2015 at 7:05 pm #84636
    Micky 32
    Participant

    Hi all, when you press the start button the drain pump comes on as usual but pulses on and off. If left long enough and it starts to fill the inlet valve also pulses on and off. The green light also fades on and off in sequence to the pulsing…

    Obviously the board on this. Is there an easy fix for these like a capacitor or something? Photo of offending board:

    April 7, 2015 at 7:25 pm #426353
    electrofix
    Moderator

    Re: Pulsing Whirlpool dishwasher

    change large grey cap normally 1.5uF

    its the power supply to the board

    Dave

    April 7, 2015 at 9:14 pm #426354
    Micky 32
    Participant

    Re: Pulsing Whirlpool dishwasher

    Thanks Dave, just took it out and it’s only reading half it’s value.

    April 7, 2015 at 9:40 pm #426355
    electrofix
    Moderator

    Re: Pulsing Whirlpool dishwasher

    in an AC circuit capacitors act as a resistor

    see http://www.sengpielaudio.com/calculator-RC.htm

    half the value so double the resistance

    Dave

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