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EICR Tested - 2 weeks on, RCD keeps tripping
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<blockquote data-quote="RMGL14" data-source="post: 519913" data-attributes="member: 34163"><p>Hi All,</p><p></p><p> I'm in the process of doing some light DIY (painting/cleaning) in a house I'm moving into (1930's, new wiring done 2014-ish)</p><p></p><p>It essentially is a shell ready to move in with the basic white appliances inside and nothing else.</p><p></p><p>I had the EICR tested 2 weeks back along with a boiler service/gas check on the same day. </p><p> The only two C2's were 3.6 Water bonding has been snipped and not reinstated and C2 7 high reading on neutral on circuit 6, which seem to be unrelated to the issue I have.</p><p></p><p>One week after the EICR, I noticed an RCD tripped. I then went to switch it back on and it popped. I reset everything and managed to turn everything the supply back on and had no immediate issues.</p><p></p><p>Another week has passed and have used the heating/boiler, hoovers, other cleaning equipment and turned the fridge/freezer on etc with no issues. </p><p></p><p>I've then connected the broadband and nest thermostat one evening and then left for the night.</p><p></p><p>During the night the RCD trips (I don't live at the property, but noticed the nest device disconnect during the night).</p><p></p><p>I've tried to reset the RCD, however it keeps tripping instantly. </p><p></p><p>After trial and error turning on/off MCB's, I've narrowed it down to circuit 3 which feeds the ground level sockets and the boiler.</p><p></p><p>Nothing is plugged into the sockets and all of them are switched off. </p><p></p><p>I want to try and identify whether it's the boiler that's causing the issue, however I cannot find a switch spur to isolate the boiler.</p><p></p><p>I can only see two unswitched fuse spur's side by side next to the boiler.</p><p></p><p>How do I isolate the boiler? Do I just pop out the fuse in the spur? Also, why are there two unswitched fuse spurs side by side?</p><p></p><p>Many thanks for your help and insight.</p></blockquote><p></p>
[QUOTE="RMGL14, post: 519913, member: 34163"] Hi All, I'm in the process of doing some light DIY (painting/cleaning) in a house I'm moving into (1930's, new wiring done 2014-ish) It essentially is a shell ready to move in with the basic white appliances inside and nothing else. I had the EICR tested 2 weeks back along with a boiler service/gas check on the same day. The only two C2's were 3.6 Water bonding has been snipped and not reinstated and C2 7 high reading on neutral on circuit 6, which seem to be unrelated to the issue I have. One week after the EICR, I noticed an RCD tripped. I then went to switch it back on and it popped. I reset everything and managed to turn everything the supply back on and had no immediate issues. Another week has passed and have used the heating/boiler, hoovers, other cleaning equipment and turned the fridge/freezer on etc with no issues. I've then connected the broadband and nest thermostat one evening and then left for the night. During the night the RCD trips (I don't live at the property, but noticed the nest device disconnect during the night). I've tried to reset the RCD, however it keeps tripping instantly. After trial and error turning on/off MCB's, I've narrowed it down to circuit 3 which feeds the ground level sockets and the boiler. Nothing is plugged into the sockets and all of them are switched off. I want to try and identify whether it's the boiler that's causing the issue, however I cannot find a switch spur to isolate the boiler. I can only see two unswitched fuse spur's side by side next to the boiler. How do I isolate the boiler? Do I just pop out the fuse in the spur? Also, why are there two unswitched fuse spurs side by side? Many thanks for your help and insight. [/QUOTE]
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