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Student & Learning Zone - City & Guilds
Fault Finding - Motor circ/S-plan
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<blockquote data-quote="sparkytim" data-source="post: 174072" data-attributes="member: 8627"><p>Difficult to tell for sure but "sounds" like</p><p></p><p>Fault 1 Loss of nuetral continuity thru the starter</p><p></p><p>Fault 2 Loss of CPC continuity, with some leakage current, shock when touching extraneous metal work.</p><p></p><p>Fault 3</p><p></p><p>Hot water Zone valve faulty, Permanently stuck in on position (Giving permanent feed to boiler and pump from contact in Zone Valve)</p><p></p><p>AND</p><p></p><p>Possible water leakage into Zone valve causing MCB to trip when Hot water called for. ( Had this on yesterdays call out, only it was the RCD tripping)</p></blockquote><p></p>
[QUOTE="sparkytim, post: 174072, member: 8627"] Difficult to tell for sure but "sounds" like Fault 1 Loss of nuetral continuity thru the starter Fault 2 Loss of CPC continuity, with some leakage current, shock when touching extraneous metal work. Fault 3 Hot water Zone valve faulty, Permanently stuck in on position (Giving permanent feed to boiler and pump from contact in Zone Valve) AND Possible water leakage into Zone valve causing MCB to trip when Hot water called for. ( Had this on yesterdays call out, only it was the RCD tripping) [/QUOTE]
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Fault Finding - Motor circ/S-plan
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