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Oven heats to c. 120 C then trips rcd
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<blockquote data-quote="Geoff1946" data-source="post: 493481" data-attributes="member: 28452"><p>I would think your problem is most likely an element which has absorbed moisture into the mineral insulation.</p><p></p><p>As the element starts to warm up the moisture is driven towards the cold termination ends where its concentration results in low insulation resistance, and hence the rcd trips.</p><p></p><p>So, you are looking for an element which is used only in the circumstances where the circuit trips.</p><p></p><p>Ideally that element should be replaced, but as suggested above you may succeed in drying it out by keeping it at the highest temperature it attain can for a while, or by powering from a non-rcd supply for long enough to drive out the moisture.</p></blockquote><p></p>
[QUOTE="Geoff1946, post: 493481, member: 28452"] I would think your problem is most likely an element which has absorbed moisture into the mineral insulation. As the element starts to warm up the moisture is driven towards the cold termination ends where its concentration results in low insulation resistance, and hence the rcd trips. So, you are looking for an element which is used only in the circumstances where the circuit trips. Ideally that element should be replaced, but as suggested above you may succeed in drying it out by keeping it at the highest temperature it attain can for a while, or by powering from a non-rcd supply for long enough to drive out the moisture. [/QUOTE]
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Oven heats to c. 120 C then trips rcd
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