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Well a recommended RGI came out while the boiler was in fault mode and ran some checks. Unlike what I thought previously the fan was not running. So to recap the pump is running, no fan, but no warning lights, only the usual demand lights on the panel where appropriate. He rang BAXI and...

I read some similar posts and there was one which said a gentle knock to the side of the boiler next to the APS got it working. I tried this when not firing up and all been ok since. Does this sound like a faulty APS? Wiring there looked fine and sensing tube was not blocked.

I have an intermittent problem where the boiler isn't firing on hot water and central heating demand but there are no warning lights and demand lights light up as normal. It's been reoccurring now for over 12 months. When I have investigated the wiring to the PCB everything looks fine. I've...

Our Baxi 80 HE instant combi boiler (with pre-heat) just stopped working today. The normal hot water sensor is flashing green constantly but none of the temperature sensors are lighting up. I have tried resetting it but reverts to constant green flashing neon with no hot water. If i tun on CH...

Yes when i say aggressive cat it's probably more like tearing phone books in half, like a ripping/sloshing/swooshing, not high pitched. All other boiler operation is fine, just the noise on pre-heat/hot water.

I have an instant Baxi 80 HE combination boiler with preheat. The boiler is making a lot of noise during pre-heat and on call for hot water. It can be described by an aggressive cat noise but more prolonged. If you don't have the CH on for a while the problem goes away after a few days, but...