Recent content by TopPosition

Thanks. I do have the instructions. Will let you know the outcome

Battery is soldered onto the PCB. That answers the first question.

I just got one of these off eBay. It's out of guarantee (May 2007) and was sold because the boiler had been replaced and so it was surplus to requirements. There is nothing showing on the display (I haven't yet installed it), is it possible to replace the battery or might it come back once...

You're quite right, the circuits must be linked somehow. Skip this bit if you know how an RCD works. Inside the RCD is a device which detects when the current flowing through the live is not balanced by the current flowing through the neutral. If there is an imbalance for even a few...

I've had a number of shocks. All have been down to carelessness or tiredness on my part. The biggest was when I was replacing a consumer unit for a friend's parents. I hadn't bothered to tell the board so the supply was still live. I got the old unit out no problem and then put myself across...