Candy tumble dryer ovehreats

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Viewing 9 posts - 1 through 9 (of 9 total)
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  • March 23, 2014 at 6:17 pm #80073
    radiator
    Participant

    Hello

    I have a problem with my tumble dryer Candy go dc 38g. It’s a condenser tumble dryer.
    The dryer is overheating. It stops after approximately one hour, there is no beep, the clothes are still a little wet, and they smell like they are burning. I have cleaned all the lint out, have measured the heater, and it shows just below 50 ohms resistance, have replaced the main thermostat (130°C), and I have also measured the two probes (sensors) and they both change the resistance equally when heat is applied. Don’t know what else to do. Any suggestions would be helpful.
    Thanks

    March 24, 2014 at 7:40 am #411588
    Martin
    Participant

    Re: Candy tumble dryer ovehreats

    Have you changed the thermistor (NTC) at the front?

    March 24, 2014 at 10:55 am #411589
    radiator
    Participant

    Re: Candy tumble dryer ovehreats

    The dryer has two thermistors. I have measured both of them, while applying heat (cooker plate), and the resistance have changed for both of them equally. Have I done this right?

    March 24, 2014 at 3:57 pm #411590
    Martin
    Participant

    Re: Candy tumble dryer ovehreats

    radiator wrote:Have I done this right?

    Yes that’s fair enough evidence they are working OK. An error code is shown by both the Start and the Stop LED’s flashing together. I guess that is not happening? So it may be that the two thermistors resistances are not being detected by the circuit board or that the connections to it are at fault?

    Tough one to figure out on this old beast TBH. 🙁

    March 25, 2014 at 2:42 pm #411591
    radiator
    Participant

    Re: Candy tumble dryer ovehreats

    I have measured the NTC cables and they are OK. I have also looked at the circuit board. Nothing is burned or anything, but something looks funny. Have posted pictures bellow. I don’t know what LED’s are flashing, because the dryer is completely disassembled.

    March 25, 2014 at 5:29 pm #411592
    Martin
    Participant

    Re: Candy tumble dryer ovehreats

    The only sure way to ensure that corrosion hasn’t caused continuity problems on that PCB is to reheat the solder lines.

    March 27, 2014 at 6:56 pm #411593
    radiator
    Participant

    Re: Candy tumble dryer ovehreats

    Could the capacitor for the motor be the problem? Or is that just for stating the motor? Because in the capacitor doesn’t have power to turn the barrel at certain speed, the clothes could burn, and the safety switch turns off the tumble dryer. What do you think?

    March 27, 2014 at 7:10 pm #411594
    Martin
    Participant

    Re: Candy tumble dryer ovehreats

    If the motor doesn’t rotate because of a faulty start capacitor then the fan doesn’t rotate also. If the fan doesn’t rotate the heater overheats and the TOC immediately cuts off the heat. So, no I don’t believe the motor capacitor is connected with your current problem.

    Replace it by all means to put your mind at rest if you like. They often fail anyway and are a cheap as a portion of chips to buy. So you have little to lose. 😀

    April 1, 2014 at 4:30 pm #411595
    radiator
    Participant

    Re: Candy tumble dryer ovehreats

    I have replaced the PCB with a used one, and so far it works fine (tested two times). I have also noticed that the door seal is leaking, and maybe that is the cause for the failure (water got on the PCB and something short-circuited). Thank you for your help.

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