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Weird oven problem

  • 24-10-2019 3:38pm
    #1
    Closed Accounts Posts: 128 ✭✭


    Hi, I'm having trouble with an oven that's not heating up fully.

    Test: turn it on to 250 fan. it starts to heat up and fan is working
    1.when it gets to about 170 degrees it starts to struggle.
    2. stays at that temp for a bit (actually at 170, I have an oven thermometer in the oven)
    3."heating" light stays on.
    4.if I turn the dial down it turns off when it should and turns on again when I turn it up.
    4.THEN after about 5-10 minutes of 170(dial at 250) there's a click and it stops heating and the "heating "light goes off, the other "cooker is turned on" light stays on.
    5. If I turn the temp dial down after this it still clicks at the correct temp
    6. After a while (~15min) something click and it goes back to doing what it did before.

    Any ideas?

    From the above I'm thinking it's not the thermostat, but if the element is blown should it be heating at all?
    Could the element be damage but struggling and what happens in4 is some kind if safety cutoff?


Comments

  • Registered Users, Registered Users 2 Posts: 1,382 ✭✭✭The Red Ace


    ovens are temp controlled two different ways nowadays, either conventional thermostat or sensor from the pcb/module. your problem sounds pcb related, by your description it sounds as if there is a relay on the board dropping out as it coil gets hot and therefore not reaching correct temps. also observe that the fan motor maintains constant speed while on


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