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merci le mup

Do I just undo the 2 clips on the plastic bowl and then dump all the water and grey substance, or is that grey stuff needed ? After this should I make sure the boiler goes into syphon fill mode so it refills the trap ? Thanks

http://www.howtomendit.com/answers.php?id=89609 wow

hi there, this error flashed today, reset it and it went away but... did some reserach and saw EA this means flame not found had the electrodes out to check and they are not that dirty, slightly green in colour. I read it could be the condensate is blocked too, but the bottle looks...

old thread but someone might need the answer... had the exact same problem on mine. the flow was not flowing and so the boiler would heat up, until the flow temp sensor got above 88 degrees. at which point the burner would switch off and the temp would rise up past 100 and up to 125, with...

yeah i thought that, so I gave it a final bash and turned it really hard. free'd it up and now it works! got my eye on a spare part anyway to replace it when it does finally kick the bucket. cheers again mate

thanks for that, I read it before but it didn't make sense the first time. My pump doesn't have a manual switch on it, for modes 1-2 but I could tweak the service settings via the panel to test it. not sure if that worked but basically forcing the shaft to turn with needle nose pliers fixed...

thanks dcawkwell, I did try that, removed the centre screw and felt around but it didn't seem to be turning. There was a kind of tranformery humm coming from it, and it started to get quite warm over a few minutes. I guess it's not turning, or blocked as you say. I tried to turn it with...

hi there, I remember reading something on this forum about how to test a boiler pump. it's one of these Worcester 15-60 Pump Head 87161135940 Worcester 15-60 Pump Head 87161135940 the manual is http://www.bhspares.co.uk/wp-content/themes/RevampV3/manuals/Worcester%20Bosch/RD%20532i.pdf...

hi there my boiler is firing, burning and works but as soon as it starts up it heats up too high and cuts out above 88 degrees. the pump does not sound like it's turning, it vibrates and gets hot but the pipes above and below are not hot. does it sound like it's knackered ? can I...

I popped it! changed the 10R resistor for a new one and it blew it and the 3A mains fuse straight away, the drivers must be shorted. need to scrape off some of the green coating so i can read all the chip numbers then test/replace. bearings are nice and smooth now though ; )

yeah the impellor was the easy part! the tricky bit was getting the cooling fan off to find a tiny circlip and removing that intact without tiny circlip pliers. then removing the bearing protector/locating seals, divoted in place. I'll post some pics if you like. the extra Z on the end...

thanks hobbyist, yes I saw this yesterday and so far it's the cheapest replacement. quite a few almost the same number fans on ebay for approx £20 including postage, so just a matter of waiting till a matching one turns up. Called up embpast in germany, got speaking to a friendly german guy...

thanks for replying gasguru, indeed that 10R resistor is open circuit, it had flaked off a bit but didn't have a meter to test it yesterday. just checked it just now and yeah, it's open. would be nice to study some motor controller schematics to see exactly what is going on inside. might...

the fan in my rd532i worcester boosh packed up a few days ago. took it apart and the bearings have gone, the pcb around it has browned from overwork in places. a new fan - £180! - ffs!! for the sake of a couple of worn bearings. looking for 2nd hand replacement, it's a ebmpapst...