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Hi Jeff, thanks for the suggestion! I think he figured that since the boiler fires up and burns it wasn't an oil-side issue. Wouldn't there be some time between the oil supply to the burner stopping and the lockout happening? The lockout is immediate and the burning stops at the same time as the...

To add - the boiler successfully runs and lights each time, running for a few seconds quite happily, before suddenly cutting out and going to lockout.

Hello oil experts, I've just moved into a house with a wallstar boiler which locks out once the central heating system gets up to temperature. It's always had annual services and its last one was two months ago. The entire burner unit was replaced about a year ago. The engineer today can't...

I haven't used my jigsaw in that socket since it kept tripping the RCD but the electrician suggested we test it just to see what would happen....and it didn't trip. It's possible the jigsaw had a transient problem, loose connection or whatever, which resolved itself coincidentally when I...

Yeah, he said it should be >200MΩ so 1.3MΩ is low but not low enough to need to fix. The FF is a huge double door thing and the socket is right in the middle behind it. He also reiterated, same as you guys, that the chances of the neighbour's drill affecting our RCD were...

The electrician came this morning and it was indeed a different guy. He spent a couple of hours here testing everything and was very much more thorough than the last. The 30mA RCDs are not bridged. Both function perfectly and he did a lot of tests from both the CU and various sockets to...

This is a reasonably new install because the place was rewired a few years ago. I don't know exactly how long ago. Why would the 30mA one be bridged? The guy didn't remove either RCD.

Thanks guys for your comments. I have convinced the agent to send the electrician back round again, though I'm not sure if this is the same guy or just the same company. I own a flat elsewhere and had some electrical work done there a couple of years ago, with the luxury of being able to...

Yeah I was trying to say there might be some common connection. Is it possible he has a shared neutral with us?! Please excuse my stupid question. If his drill was on our circuit, somehow, wouldn't it also cut out with our RCD?

My house is the end of a terrace of three houses. It is hard to determine exactly how the overhead power cables are connected to the houses but there are two big thick ones coming into my property, via the neighbour's house. I can't clarify more easily since it's difficult to see what is...

I tried to get another visit from another electrician but no chance. The electrician says "it's definitely a loose connection" so I'll have to get Scottish&Southern on the case before I go back to the agents. Pity that will take 4-8 weeks according to their website!

He tested all the RCDs by pushing the test button a few times and making sure they tripped. Does this count? He also pulled out some wires from the consumer unit and tested, I think, the N-E connections for leakage. The problem is this is a rented property and the landlord / managing agent...

Hi guys, Just following your very interesting discussion and thought I would update from my end. The electrician came round to visit but identified no problem and said that it was very unlikely the RCD tripping could be related to the neighbour's house in any way. He also said that the...

Will do. Thanks for everyone's help! Cheers, Chris

Hi John, It's always the 100mA RCD which trips. The 30mA RCDs have never tripped. The dishwasher was on every time the neighbour was sanding. The dishwasher is always on when the RCD trips but the RCD does not trip every time the dishwasher is on. The element in the dishwasher has...

Wow, great response, thanks guys! So it sounds like the RCD is possibly faulty and the neighbour is off the hook, but whatever the cause we need to get an electrician to take a look to diagnose the fault. The house is rented and we already reported the problem to the agents but they didn't...

Hi folks, I've had a read through the forum and the answer to my question seems to be "yes", but I thought I'd ask to be sure. The RCD in my house tripped repeatedly today (4-5 times per session) when the neighbour was sanding his floors using some kind of power tool. Is it possible that...

Consumer unit

Yeah I can believe that!! This is worth watching: http://www.youtube.com/watch?v=9bU-I2ZiML0&sns=em