Motor controller module info for GW709

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  • March 25, 2010 at 2:50 pm #53526
    mattgal
    Participant

    Hi,

    I have a F&P GW709 with a faulty motor controller board. All the fuses are OK and the machine still powers up. I looked at the board and there are some burnt components:

    I tested all the diodes around the burnt area and they appear to be OK. The mosfet on the back of the PCB that feeds the cold water valve needs replacing as it is short circuited and the cold water have has a very high resistance so I’m assuming it is faulty as well. My main concern is the burnt components in the photo. One is a resistor (R848) and the other (R?) is just completely gone though I suspect it is a resistor giving its footprint.

    My question is do the service manuals from F&P contain the schematics & component values for the motor controller module? Alternatively can anyone tell me what the value of R848 is and confirm the type and value of the blown component R?.

    Thanks in advance,
    Matt

    March 26, 2010 at 2:45 am #316321
    bigsmokepiker
    Moderator

    Re: Motor controller module info for GW709

    Short ANSWER NO
    We as repairers replace the module complete Although electronic experts have repaired them successfully
    Be sure to check the quality of the inlet coils(64ohm) & check for cracks in the casing

    April 14, 2010 at 12:25 am #316322
    marineman
    Participant

    Re: Motor controller module info for GW709

    Greetings,
    just asking if you rec’d a reply?
    I have the same PCB for repair with another fault,so can give you resistor readings if req’d,
    Cheers

    April 14, 2010 at 11:34 pm #316323
    Penguin45
    Participant

    Re: Motor controller module info for GW709

    None of the repairers really do board level stuff – we don’t have the time. If you read back through the forum, I’m certain there’s a chap who repairs them on an exchange basis.

    Penguin45.

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