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central heating tripping rcd
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<blockquote data-quote="Revved Up Sparky" data-source="post: 77577" data-attributes="member: 5050"><p>I would disconnect the supply from the FCU at the boiler end and then do an IR test on the supply cable. If the test reads clear then reconnect and then try running the boiler with the external controls bypassed. If all is well then proceed to fault find on that control circuit. If the boiler still trips the RCD with supply cable IR clear and external controls bypassed then the boiler must have an internal fault which may need to be referred to a heating engineer.</p></blockquote><p></p>
[QUOTE="Revved Up Sparky, post: 77577, member: 5050"] I would disconnect the supply from the FCU at the boiler end and then do an IR test on the supply cable. If the test reads clear then reconnect and then try running the boiler with the external controls bypassed. If all is well then proceed to fault find on that control circuit. If the boiler still trips the RCD with supply cable IR clear and external controls bypassed then the boiler must have an internal fault which may need to be referred to a heating engineer. [/QUOTE]
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