Candy GC 1682 D2 not dead but lifeless

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  • #93707
    andytw
    Participant

    GC 1682D2/1-80
    3100586314193062

    This is a tenants machine. I am quite useful they are not. Machine was seen to be sparking when motor was running. Motor was removed and inspected. Brushes were not too bad but commutator quite badly marked. It was decided that a new motor was required.
    This is where I got involved.
    I obtained a genuine new Candy boxed motor and fitted it.
    Powered on, display good, selected a program and pressed start.
    Display shows time to run and final spin speed. Door locked.
    Small click from inside but nothing else, no water fill, no drum motion.
    I refitted the brushes to the original motor and re-fitted it.
    Same problem.
    Looks like something else now.
    All cabling, plugs etc look good.

    Any thoughts feedback appreciated.

    andytw

    #455298
    electrofix
    Moderator

    Re: Candy GC 1682 D2 not dead but lifeless

    check the printed circuit board for signs of damage

    Dave

    #455299
    andytw
    Participant

    Re: Candy GC 1682 D2 not dead but lifeless

    Thanks…Well..you inspired me to go and remove the control board. (The machine is now in my garage). Lo and behold, one open circuit section of track. I will trace the loom tomorrow and see where it goes. The track connects to one of a bunch of 3 relays.
    The track itself should be a straightforward repair. Relay contacts might be questionable I guess.

    https://www.dropbox.com/s/xlue2xgbgaij6 … 5.jpg?dl=0

    Thanks

    andytw

    #455300
    electrofix
    Moderator

    Re: Candy GC 1682 D2 not dead but lifeless

    I would like to bet it goes to the motor

    Dave

    #455301
    andytw
    Participant

    Re: Candy GC 1682 D2 not dead but lifeless

    Disappointing if it doesn’t 🙂

    The totally o/c track is the second track but the first track has taken collateral damage and probably only has 5{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} remaining.

    When you look at the motor windings and brushes it’s hardly surprising the pcb tracks struggle.

    Optimistic.

    #455302
    andytw
    Participant

    Re: Candy GC 1682 D2 not dead but lifeless

    Optimism gone.

    Damage was a bit too close to the connection edge to repair without fouling the plug position so I brought 2 wires off the PCB and connected them to the loom itself.
    All good and sound but problem persists. I am guessing control PCB has gone south ??

    #455303
    electrofix
    Moderator

    Re: Candy GC 1682 D2 not dead but lifeless

    check with a multimeter you can read the motor from the board. just to make sure all connections are ok

    before a lot of machines start the do a fault check. in a lot of cases id the motor is open circuit the machines wont start. This can be as simple as worn brushes but not in your case with a new motor

    Dave

    #455304
    andytw
    Participant

    Re: Candy GC 1682 D2 not dead but lifeless

    Understood. Multiplug going to the motor though. Will see what I can fathom out.

    #455305
    andytw
    Participant

    Re: Candy GC 1682 D2 not dead but lifeless

    Ok….the connector where the damage occurred is a 9-way and it connects directly, on a one to one basis, to a 9-way on the motor.
    I have metered out the wires from the motor connector to the back of the pcb tracks. i.e with the connector in place on the PCB and all measured out OK.
    I then metered out the motor and took some notes and then fitted the connector to the motor and metered again from the tracks on the back of the PCB.
    All appeared to be in order connection wise.
    These are my results. I can see what some of the wires are but not others hence the ?? I have colour coded wires which connect to each other through armature or tacho etc

    1 ?? Measures .5 ohm to pin 3
    2 Brush measures 3 ohms to pin 6
    3 ?? Measures .1 ohm to pin 7
    4 Tacho measures 40 ohms to pin 5
    5 Tacho measures 40 ohms to pin 4
    6 Brush measures 3 ohms to pin 2
    7 ?? Connects to pins 1 and 3
    8 ?? Measures .1 ohm to pin 9
    9 ?? Measures .1 ohm to pin 8

    #455306
    electrofix
    Moderator

    Re: Candy GC 1682 D2 not dead but lifeless

    what you have

    2 pins to the armature
    3 pins for the field coil
    2 pins for the tacho
    and I think 8 &9 are an overheat protection stat

    either way they are all connecting to the board

    so unless you can see any other board track problem the most likely problem is board failure

    but as you can understand I cant say I am 100{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} correct its just the most likely fault

    Dave

    #455307
    andytw
    Participant

    Re: Candy GC 1682 D2 not dead but lifeless

    Yes all makes sense, many thanks. Really don’t want to throw too much at it. Good money after bad and all that. Just had an offer accepted on a used but good part from eBay so we’ll see how that goes.

    #455308
    andytw
    Participant

    Re: Candy GC 1682 D2 not dead but lifeless

    New ‘old part’ controller PCB arrived from eBay this morning. Appears to be doing the business. Selected a wash cycle and pressed start and away she goes. Will check it pumps out and finishes and return it to whence it came.
    Thanks for your support.

    andytw

    #455309
    kaibart
    Moderator

    Re: Candy GC 1682 D2 not dead but lifeless

    Just to give you an idea of why you had burnt tracks on the rectifier pcb and damage to the main pcb is overloading if there is to much weight on the programme selected it puts more ware on the motor it self, hopefully your repair will work when I had this problem when I was working for Hoover candy I was told to change the motor rectifier pcb and main pcb.

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