F&P GW709 no power

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  • July 9, 2007 at 10:15 am #28842
    Skewzyboy
    Participant

    Hello,
    My machine has stopped in the middle of a cycle and won’t go anymore. It might be a blown fuse, but I don’t know where the fuse is.
    There is no response from the machine at all when plugged in. 🙁

    July 9, 2007 at 7:36 pm #220296
    Penguin45
    Participant

    Re: F&P GW709 no power

    There is a circuit protection fuse on the computer board. A picture may be found in the link on this thread:
    http://www.ukwhitegoods.co.uk/modules.p … light=fuse

    However – you will have to find out why it failed………

    Penguin45.

    July 10, 2007 at 1:35 am #220297
    Skewzyboy
    Participant

    Re: F&P GW709 no power

    Thanks for the reply Penguin45,
    I have checked out the computer board, but cannot locate a removable fuse like the one in the picture you gave me.
    I am an electronics ignoramus, but there are two red components soldered into the computer board that have ‘fuse’ written beside them. The component itself says “T 2A 250V, TR5”. Are these fuses? If so, how do I check if they are blown or not?
    To give you some more background, I have been tinkering with the machine to fix a blocked pump. In the process I disrupted the plug that supplies power to the pump (underneath the machine). I plugged it back in and it worked fine for about a week until this happened.
    Any more thoughts?

    Skewzyboy (Dale)

    July 10, 2007 at 7:47 am #220298
    bigsmokepiker
    Moderator

    Re: F&P GW709 no power

    You wont fine a fuse on this Baby
    Pump is part of power circuit
    Check pump (Should read 33ohm)
    Pump has a thermal fuse if overheats it will cut power supply to PCB
    If pump has gone out on overload it it should reset after 15-20Mins
    and restore power
    If Not Its Either shagged pump Or Motor Controller
    If it is motor controller suggest checking water valves as Well (Should Read 64 Ohm) valves have a tendency to take out Motor Controller when they fail
    especially the hot one

    July 17, 2007 at 6:14 am #220299
    Skewzyboy
    Participant

    Re: F&P GW709 no power

    Thanks Bigsmokepiker,
    I checked the resistance on the pump and valves. They are okay. The machine didn’t reset itself, but I found an open fuse on the motor controller board. I closed the fuse with a fine wire. When I turned the machine on, the other fuse blew (in a big way), and one of the other components appears to be gone (a resister or capacitor – not sure). Anyway, it seems I need a new motor controller, but can I be sure that will fix the problem? How do I know what caused the fuse to go in the first place?

    July 17, 2007 at 7:27 am #220300
    bigsmokepiker
    Moderator

    Re: F&P GW709 no power

    Exactly
    Check water coils for signs of cracks in casing
    Check for any shorts in wiring
    Particularly check lid switch harness as they can be pinched & short to cabinet
    Check underneath for signs of water leaks
    If All seems Ok Then it can be a matter of controller itself

    If in doubt i make a point of replacing Hot Valve Assy ($29AUD) When replacing Motor Controller on this series(09)

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