Yes it was the pump in the end, had a local plumber guy out who diagnosed it whipped the pump off and it felt quite stiff at some points he had a spare in the van. At first he took just the snorkal part off to get to the fan and gave it a spin said it felt stiff took the rest of it apart and...
I unplug the thermistor turn it on and the lights flash to say it's detected a problem, turn it off plug it back in and it's fine for a while. I'm going to get somebody out but fear they will try and say a new boiler.
Also the other problem has come back the CH pump now doesn't run, the DHW is constantly running I think there a problem with the flow detector thermistor.
Yeah it was 4.5uf like the original but it was an unbranded cheap one, which was weird as that seemed to fix it for a while and then slowly it came back not unless a fresh cap gave it a bit of a boost to get going for w while. I have noticed it seems to run for longer when it's cold, it could be...
Thanks for the reply muggles just caught the lockout in action and it seems to be a previous problem not resolved. It locks out trying to spin the motor up I thought I had fixed this with replacement cap. Granted it was cheapo of equivalent spec but wouldn't think it would have failed that...
Hi all,
I have been fixing a few problems with the above boiler for a while now so far they have been easy fixes, motor start cap, photo sensor etc. This one is starting to frustrate me though. So I get a random lockout after minutes hours of running as far as I'm aware the 535se/LD doesn't...