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Advice with Electrolux oven
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<blockquote data-quote="Geoff1946" data-source="post: 522226" data-attributes="member: 28452"><p>I have seen the symptom of tripping RCD on warmup a few times, due I believe to moisture getting into the mineral insulation of an element. My theory is that atmospheric moisture enters the insulation over a period and disperses hardly affecting measurable insulation resistance. On powering up, the increasing heat drives the moisture towards the cooler ends of the element where the greater concentration brings down the resistance until the leakage causes the RCD to trip. A new element should cure the problem, (though I was once told of a brand new element exhibiting such.) Alternatively, if you can keep it hot, perhaps on a non-RCD supply, for long enough you MAY be able to drive the offending moisture out altogether. As I say, just my theory!</p></blockquote><p></p>
[QUOTE="Geoff1946, post: 522226, member: 28452"] I have seen the symptom of tripping RCD on warmup a few times, due I believe to moisture getting into the mineral insulation of an element. My theory is that atmospheric moisture enters the insulation over a period and disperses hardly affecting measurable insulation resistance. On powering up, the increasing heat drives the moisture towards the cooler ends of the element where the greater concentration brings down the resistance until the leakage causes the RCD to trip. A new element should cure the problem, (though I was once told of a brand new element exhibiting such.) Alternatively, if you can keep it hot, perhaps on a non-RCD supply, for long enough you MAY be able to drive the offending moisture out altogether. As I say, just my theory! [/QUOTE]
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