site updated 14 July 2014   © Lovekin Ltd 2009-2014    registered in England & Wales No.3950749    2 Ashdene Crescent GU12 6TA

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heating and boiler problems  –  lovekin.net

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Well, the World Cup is over and Germany deserved to win. The German commitment to getting it right can seem boring but it pays dividends which also apply in industry, building and engineering; the plumbing and heating industry here could do with more of that long-term commitment. Our sector is still very quiet, even in the richer south. With the excitement of the World Cup gone we have to hope that the politicians and the papers won’t go back to blaming all the country’s problems on immigration. We’re still in the tail of a long economic recession caused by the greed and stupidity of politicians, bankers and many multinational businesses. It would be sad to blame it all on a small number of immigrants, most of whom work really hard. Let’s get back to doing what we do, really well, and celebrate it when we see it!

Since it's difficult to remember all the details of central heating problems and gas boiler problems we deal with we decided to keep this log of some of the problems and how we've attempted to sort them out. Putting this information online allows other people to look for clues and ideas. We’re still struggling to find time to bring this site up to date, but we’ll try.

Too often gas service engineers and central heating engineers lack backup and support and we find ourselves trying to re-invent the wheel. That's particularly true for small companies. Boiler manufacturers' technical advice departments can be very helpful but they can also be patronizing and often take some time to answer. Where we get really good service from tech advice departments I'll try to report it.

Central heating problems and gas boiler faults — home page

Legal Disclaimer:

The information provided on this web site  is given in good faith and is only an indication of what we have tried in an effort to resolve heating and boiler problems and our understanding of the theory. You must make your own judgements and we can accept no liability for any damage or injury sustained as a result of trying what we have tried, nor can we accept any liability arising out of misleading, incomplete or incorrect information on this site.

The advertising on this web site is provided by Google and is not controlled by us. We can accept no liability for the content of any advert nor for the outcome of any contact you have with the advertiser or contract you enter into with them.


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Photo of Paul Huzar who writes the content for this central heating and gas boiler problems web site

We really do want to hear from YOU

There are lots of skilled people out there and we'd like your ideas. If we've got something wrong or you can improve on what we've done please contact us. Or if you've sorted out problems and want to share how, we'll be happy to add your ideas.

We'll add information as we have time.  You can email me: paulhuzar@lovekin.net


We're sorry but we can't deal with individual queries about boiler and heating problems at the moment. We just haven't enough time. We're thinking about the possibility of running a forum in the future though, where individual questions can be posted, but we're not there yet!

What's new...

08/08/2013    Potterton Suprima 40 with newer Siemens PCB locked out with very slow red flash, 3 seconds on, 1 second off    read more...


22/01/2013    Radiator balancing ~ the easy way. How we balance radiators in central heating systems   read more…(updated)


22/01/2013    Radiator valves; wheelhead and lockshield manual radiator valves and TRVs. We're still developing this page.  read more… (updated)


22/01/2013    Combi boiler plate heat exchanger problems ~ Secondary heat exchanger faults   read more… (updated)


22/01/2013    Frozen condensate pipe? Boiler gurgling? Potterton or Baxi E133 error code? Worcester AE, D5 fault codes?   read more… (updated)


22/01/2013    High efficiency gas and oil boilers ~ what gross and net efficiency mean   read more…


20/01/2013    Changes in sealed heating system pressure? Combi boiler pressure dropping? Faulty expansion vessel?  read more… (updated)


30/09/2012    Glow-worm Micron 30FF fault update. Same Micron FF boiler, ongoing saga with fault codes   read more…


15/09/2012    Glow-worm Micron 30FF failed with both lights flashing alternately. Also applies to other Micron FF boilers   read more…(updated)


08/12/2010    Potterton Suprima 60L with Siemens PCB locks out, diagnostic light flashes red 3 times a second. Pump problem   read more...


23/10/2010    Glow-worm Ultracom hxi boiler showing F1 fault code. Also applies to BG 330 boiler fault   read more...


01/10/2010    Boiler runs even when programmer off. Honeywell motorised valve fault. Email sent by D.S.   read more...


29/09/2010    Potterton Suprima new Siemens PCB giving problems, won’t run circulating pump. Email sent to us by A.R.  read more...


29/06/2010    Potterton Suprima boiler locking out, flashing red 3 times per second (newer Siemens PCB)  read more...


01/06/2010    Potterton Prima 80F boiler with fan fault, PCB fault and air pressure switch fault  read more...


01/06/2010    Potterton Profile 50e boiler fan cycles on and off but won’t go to ignition  read more...


26/05/2010    Baxi Solo 350 PFL boiler where the pump runs on indefinitely. Circuit board fault  read more...

For more about us see our lovekin.co.uk site

We have also started to put together a guide looking at different types of shower, gravity showers and power showers. It's still in a rudimentary form but you can find it at powershowerguide.com

Lovekin service and repair domestic gas boilers in the UK in the area around Aldershot, Bagshot, Bracknell, Basingstoke, Camberley, Farnborough, Farnham, Fleet, Godalming, Guildford, Wokingham and Woking. We also carry out gas boiler installation and gas boiler replacement. For more about how and where we work, visit our lovekin boiler service web site

Radiator balancing

Radiator valves

System pressure problems

Honeywell valve problems

Baxi Solo problems

Potterton Puma problems

Suprima problems

Worcester combi fault

02/05/2010    Baxi Bermuda 551 back boiler burner makes a roaring noise. Caused by a rusted burner  read more...


02/05/2010    Baxi Bermuda 552 back boiler burner makes a roaring noise. Caused by the gas valve  read more...


02/05/2010    Baxi Bermuda 552 pilot holds but gas valve locks out a few seconds after the main burner opens.  read more...


01/11/2009    Big changes in sealed heating system pressure? Combi boiler pressure dropping? Faulty expansion vessel?  read more...


02/10/2009    Baxi Solo 2 80 PF boiler runs only intermittently  read more...


28/09/2009    Potterton Suprima circuit board fails with no lights showing at all  read more...


02/08/2009    Robinson Willey Firegem Visa 2 gas fire. Shuts down after a few minutes  read more...


29/07/2009    Worcester 28i Junior combi boiler. Won't fire for hot tap water after street water main repair  read more...


28/07/2009    Baxi Solo 2 50 PF boiler. Won't go to ignition. Fan cycles rapidly on and off more than once per second  read more...


28/07/2009    Baxi Solo 3 60 PF boiler. Lights pilot only. Won't go to main burner  read more...


25/07/2009    Honeywell V4043H zone valve (2 port valve). Hot water would not heat unless the radiator heating was on too  read more...


24/07/2009    Potterton Suprima 80 boiler repeatedly locking out then would not reset  read more...


22/07/2009    Potterton Puma 80e combination boiler locking out and losing pressure  read more...


22/07/2009    Potterton Suprima 60 boiler locking out after 3 ignition attempts. Ignition lead fault  read more...


20/07/2009    Baxi 100 HE boiler locking out intermittently  read more...


20/07/2009    Ideal E Type boiler. Pilot present but boiler won't fire  read more...


20/07/2009    Ideal Isar HE24 combination boiler with insufficiently hot water  read more...


18/07/2009    Vokera Mynute 14SE boiler not firing consistently and making strange noises  read more...

More articles...