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    Worcester Greenstar CDi 30 boiler - loss of pressure

    Update---- My problem is now fixed. I called in a plumber to isolate the groundfloor rads, and after 2 weeks the pressure was still fine. As there was no sign of a leak downstairs, I had to assume the pipework in the concrete slab was leaking. For peace of mind I took the decision to have...
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    Worcester Greenstar CDi 30 boiler - loss of pressure

    The pressure problem still persists, so I need to trace the fault. I was given some advice to close the flow and return valves to determine if the boiler is the source of the problem. If I do this, is it still OK to use the boiler for hot water, and should I also leave the CH 'on' (ie leave...
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    No difference between Standard and HD picture

    Yes sorry, Panasonic. Getting 2 TVs mixed up.
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    No difference between Standard and HD picture

    The HD channels I am most interested in are 50 (BBC1), 51 (BBC2), 52 (ITV1) and 54 (BBC HD). I haven't seen a Channel 4 or 5 HD on the guide yet. I understand the programmes I am comparing are in HD because they have the HD symbol on the guide, and you can select to watch in standard def or...
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    No difference between Standard and HD picture

    I have a Toshiba TX-P46S20B, full HD ready with Freeview HD. There appears to be no difference between the picture quality of the standard channels and their HD equivalent (eg BBC1 and BBC1 HD). Picture quality of both are good, but I had expected the HD channels to be special! Should I have...
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    Greenstar 42CDi Combi Boiler - CH Not Working

    Sorry, its beyond my experience level. Suggest you start a new thread with this latest problem, experienced engineers would probably pick up on it better
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    how to pressurise worcester 2.8i combi?

    Sounds like a problem with the boiler - water coming out of the overflow is a sign of a faulty Pressure relief valve or expansion tank? Sounds like you need a heating engineer>
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    how to pressurise worcester 2.8i combi?

    Sorry, jumped in too quickly without looking at your photo. The boiler has a different layout. Why not look for the User Manual on the Worcester website?
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    how to pressurise worcester 2.8i combi?

    Have a look at this thread posted today //www.diynot.com/forums/plumbing/greenstar-42cdi-combi-boiler-ch-not-working.311656/ its all in there
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    Worcester Greenstar CDi 30 boiler - loss of pressure

    I am having to re-pressurise every day now! I believe I have eliminated the pressure relief valve as the cause. I tied a bag to the discharge pipe 2 days ago, but it has remained totally dry. I have checked all the radiators and exposed pipework for leaks - nothing. There is no air in...
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    Greenstar 42CDi Combi Boiler - CH Not Working

    I'm no expert, but as I said before I have to so this regularly. I believe you can get a pressure loss over time without having any problems - your pressure may have been dropping gradually for a while without you noticing it. Sudden loss of pressure is indicative of problems somewhere in the...
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    Greenstar 42CDi Combi Boiler - CH Not Working

    Its straightforward enough, I am having to do it regularly at the moment as I have a loss of pressure that I can't trace! The pressure should be between 1 and 1.5 bar, in the green part of the scale. If you have the User Manual it's in there. If not, you can find one on the Worcester website...
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    Greenstar 42CDi Combi Boiler - CH Not Working

    Have you tried re-pressurising the boiler?
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    Worcester Greenstar CDi 30 boiler - loss of pressure

    Thanks, will arrange a plumber to visit as I can't deal with boiler problems myself
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    Worcester Greenstar CDi 30 boiler - loss of pressure

    I am having to re-pressurise the boiler every few days, although it does still work even though the pressure has dropped to near 0 bar. Can anyone advise how I can find out if the cause is a leak in the radiators / pipework, or a problem with the boiler itself? I have tried using Fernox to...
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    Worcester CDi30 condensing boiler - Condensate cycle

    An update ............. I have since noticed that if the hot water is used while the CH is running it seems to cause the interruptions in the heating cycle described above (a reduction in boiler temperature and delays before heating up again). My expectation is that both would work together...
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    Worcester CDi30 condensing boiler - Condensate cycle

    This morning the boiler had another funny turn after about an hour into a 2 hour program. The room stat was still unsatisfied but the 'boiler lit' light was out and the boiler temperature had dropped to around 50. I noticed this because the rads had gone cool. Even if the lockshield valves had...
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    Worcester CDi30 condensing boiler - Condensate cycle

    Tony The boiler is set to CH only, no HW. So it fires up when the programmer 'on' time is reached (6am and 4pm) and the room stat is calling for heat. Most of the time it behaves normally, reaching working temperature (set to about 67 degrees) within 20 mins. The CH dial on the boiler is...
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    Worcester CDi30 condensing boiler - Condensate cycle

    Thanks for the reply. There must be something else causing the problem, as the power isn't being switched off. I have seen the symbol you refer to, and that definitely doesn't appear when this problem occurs. A quick query to the Worcester Technical helpline suggests there may be a software...
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    Worcester CDi30 condensing boiler - Condensate cycle

    My boiler seems to take a long time to get up to temperature - typically 30 mins. I notice it starts to get hot, then seems to go to sleep for 15 mins or so. It does this at the start of each programmed period (morning and afternoon). Is this normal? I know there is a condensate cycle with these...
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