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The pump in my system boiler has suddenly started making a variable whooshing noise like you get after a fill when the water has lots of air in it and you can hear the pump cavitation. Infact it sounds more like a dishwasher than a heating pump. I'm pretty sure there is no air in it. It is...

Yes I was. But they are nominally at the same potential right? Why not measure this with the main isolator still on?

Thanks to all of you especiallySparkyspike, Securespark and Flameport for their last few posts which had me look in more detail at the Earth/Neutral resistance. It never occured to me that the fault could be leakage between earth and neutral but that was what it was. I split the ring again...

nope - sorry that is connected. disconnected it is O/C

Yep - all four rings protected by the same RCD. Unfortunately I don't have an IR tester but I measured the DC resistance between L/N and and it is open circuit. The Earth and Neutral are as good as a short circuit. But remember if I split the ring in half in the CB and at a socket and then...

There really is nothing connected - Honest. I'm now coming to the conclusion that the TV is injecting something into the ring which results in the RCD detecting an inbalance. I don't know what it could be but I think having a higher impedance ring could aggravate it, and as much as...

So here's an update. I've now tried the TV on all 4 ring circuits. 3 are OK the other always trips the RCD. I disconnected everything from the bad ring. I then disconnected the ring at the MCB and measured the ring (DC) resistance. Its < 1 Ohm on my Fluke. I did the same with Neutral...

Thanks to all for the replies. I have a split MK consumer unit. It has a number of non-RCD protected circuits including a circuit for the fridge and freeezer. The RCD is an MK LN5760s two pole RCD 63A/30ma with its own test button. This covers four 32A rings each on an MK 32A MCB. On...

This morning my daughter turned on the TV (took it out of standby) and it tripped the RCD. I isolated the TV and managed to reset the RCD but whenever I plug in the TV, which is a 37" Toshiba LCD TV, after about 5 seconds it trips the RCD again. The TV is 16 months old and still under...

dangermouse46, thanks for your candor. About 2 years ago I took out a BG service contract and then got them to fix a strange noise that occurred during ignition. The problem turned out to be the main PCB as the fan wasn't coming on during the ignition phase resulting in the gas...

I've got a Baxi Barcelona but recently it has had a few ignition lockouts. The condensate trap is clean, the spark and sensing electrodes look quite serviceable. I only once managed to get it to lockout while I was watching it and it had about five attempts at igniting and then locked...

I assume the receiver is the fixed part bolted to the oven, that the hinge fits into. On my oven the hinge doesn't move within the receiver unless you push up the clips and remove the door. And I don't often remove the door other than to change the hinges :)

I've had a Neff oven for 7 years now. I'm on my 4th set of door hinges and yet again I'm just about to order another set as the door doesn't shut tightly against the seal anymore. Neff tell me that I'm about the only person in the entire world that has ever had a problem with the oven door...

Steve, I already have a window and patio door in the wall that I wanted to remove. I want to remove about 4m of wall and had considered putting in folding DG doors, but they are very expensive (about £4000) and I expect that most of the time they will be open. Having said that I take your...

I was considering extending my kitchen by adding a conservatory of approximately 15m2. This would entail removing most of the existing kitchen back wall. Unfortunately I found that there are all sorts of building regs regarding this which as I understand it require one to make up the...

Many thanks baxpoti for your help. I've removed all the jumpers now and it seems to work fine and lights quietly.

Baxpoti, Thanks for the info. The new board I have definitely has two blue jumpers:- J1 - Red J2 - Blue J3 - Blue J4 - Yellow My old PCB had two red jumpers which I'd previously removed to give me the 100k BTU modulated output. I have 17 radiators and a 270lt Megaflo to feed...

Guess I should have seen that coming :lol: How about we call them links. Not to be confused with cuff links or anything else that can be worn buy fashion concsiuos footballers.

Just replaced the PCB on my Baxi Barcelona System boiler and they have made some changes to the board jumpers. On the old board there were two red jumpers which I'd removed to get the full 100k Btu/h output when required. The new board has a red jumper, two blue jumpers and a yellow one...

Thanks for your input. I had a look at the burner and their is no damage to the surface, though I did notice their is a white packing that is used at the edges to seal it to the metal casing. The majority of this has fallen out, so I expect that it is possible that this could cause the...