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no not convined at all just playing with the potentometer on the pcb sorts it. ill try your suggestion tomorrow cheers

Assuming this is to test the diverter valve? I'm sure i tried it a while bakc but ill give it a go tomorrow cheers

Haha thanks buddy I'll get those items checked out. My pal whos already had a look and is stumped has the gear for testing. I did notice that we seem to be able override the burner cycling in and out but turning the potentiometer for the target temp. If you do this slightly back and forth above...

Appreciate your help. I am an aircraft engineer and have installed full CH systems in the past so I do have plenty of experience but this issue has stumped me a little given how its occured. I know from heating engineers ive dealt with in the past it'd be a needle in a haystack trying to find...

I had one over last time I had an issue but he couldn't fix it so I sorted myself in the end. Been fine for a few years but now having these issues. Its weird that the hot water went first and now the CH. Its as if the burner keeps getting turned off by some overheat or similar but having...

Hi, I changed the temp sensor going into the diverter valve. Didn't seem to help though. To stop the flow I just turned off the CH quarter turn valve on the CH out under the boiler. I'll get hold of another cartridge for the diverter valve cheers

thanks Im assuming its ok as with the CH shut off I still got the issue with the HW not holding temp so based on that test assumed ok. I swapped it a few years back and have had the motor off the top to check the pin and thats moving freely but if you think its gone again would swapping the...

Hi, when heating is on 25 is lit. 24 turns on and off along with the burner. 27 shows for example 40 even though its set on a target temp of 80 and its been on for a few hours. It will usually spend around an hour cycling on and off the burner with the temp varrying between 38 and 42 to...

Hi folks, spent a while on these forums already but can't quite find something to suit my problem. Main Combi Eco 30 boiler. (similar to many baxis) Was working fine then started to have an issue with the hot water. basically when the boiler was called burner would cycle in and out rather than...