Hotpoint TDC30 no heat but thermostats OK

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  • #52671
    jrw
    Participant

    Both the dryer and the washing m/c (separate post) have failed this week 🙁

    Dryer is a TDC30 which runs but gives no heat.

    Have checked the rear stats
    Both have continuity….. no quick fix for me!

    Have checked the heater
    20 Ohms or 40 Ohms depending upon the heat level switch

    Have checked the front stat
    Has continuity

    Drying light does not come on, which looking at other threads seems to suggest the timer. Before I purchase….is there anything else you’d recommend I check. Could it just be the relay? I don’t have a wiring diagram but presumably the relay must switch the heater. Hopefully the drying light not coming on provides the clue.

    Many thanks,
    Richard

    #312681
    Penguin45
    Participant

    Re: Hotpoint TDC30 no heat but thermostats OK

    Relay is purely a start/run device. Heater is switched directly through the timer, which is why the contacts burn out…….

    You need to track the wiring back to the relevant contacts on the timer and measure from there.

    Power off first, of course.

    Penguin45.

    #312682
    jrw
    Participant

    Re: Hotpoint TDC30 no heat but thermostats OK

    Penguin45 wrote:Relay is purely a start/run device. Heater is switched directly through the timer, which is why the contacts burn out…….

    You need to track the wiring back to the relevant contacts on the timer and measure from there.

    Power off first, of course.

    Penguin45.

    Thanks for the advice….I’ll get the meter out and have a look.

    #312683
    jrw
    Participant

    Re: Hotpoint TDC30 no heat but thermostats OK

    Fitted a new timer this weekend and all is now fine. Many thanks for the advice.

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