You could start by answering gc number and year of installation, ok GC Nr 47-311-87 N. G. 7716130142-008 0008460. Thanks again for all your help. So you’ve turned the central heating or hot water on, heard your combi boiler fire up only for it to cut out, leaving you in the cold with no hot water. Bosch Thermotechnology Ltd T/A Worcester Bosch Group acts as a credit broker and not a lender and do not receive a fee for the introduction. Representative example - 9.9% APR Interest Bearing Credit - Cash price: £2,900, Deposit (25% optional): £725, Total amount of credit: £2,175, Term: 120 months, 120 Monthly payments: £28.12, APR representative: 9.9%, Fixed rate of interest: 9.9%, Total amount payable: £4,099.40, Total charge for credit: £1,199.40, 12 year guarantee with the Greenstar Lifestyle, Our installers are committed to keeping you safe in your home, Don't get caught out with frozen condensate this winter. Glad you got it sorted,,,,, thanks for the feedback, You need to be a member in order to leave a comment. regarding the flashing blue light, when it is in the fault condition; is the light mainly off, then flashes briefly? Combi boiler cutting out while running hot water. hot water cuts out on Worcester 24cdi(tank fed)? Link to post Share on other sites. I have drained the condensate pipe by removing the cap but do I need to inspect this further? Primary Flow Switch – Pressure differential, Diaphragm, Reed. Is this straightforward to bleed? It settles at 1 bar but it'd gone up and was moving around maybe 1.3-1.5 bar. The Cause: If your boiler boiler goes through its usual sequence, where you hear the fan start and spin, yet the boiler fails to ignite, it’s usually a sign of a faulty air pressure switch – or the tubes going to the switch have degenerated. Before resetting your boiler, make sure your system is actually calling for heat. Latest News expand. it should be on the sticker behind the flap. Worcester boiler … I've noticed a few times over the last week in the shower that the hot water temperature seems to slowly and gradually decrease. thanks The instructions I have for that boiler with those light flashes say; Ignition electrodes / harness / connections. its ignition lockout. It's easy! Will this be conclusive? Use our FastTrack service to get your new boiler installed hassle free. Don’t use our ‘Find a boiler’ tool for a boiler replacement just yet though, as fixing your pressure levels can be simple. If your boiler isn’t receiving enough water to heat, then this could cause the boiler to turn off. Turned out to be a perished seal on main heat exchange which caused a drip when system was hot. Could be the pump. If the pressure is lower than this, the boiler won’t work and you won’t have any hot water or central heating. Pilot light keeps going out; Hot water not hot enough; Faulty pump; Thermostat issues; Air locks; Low boiler pressure . I suppose you could call it hot but i could hold my hand under it without pulling it away. For this reason, you might hear your boiler switching on and off when you run a hot water tap even if they’re already lit to power the central heating. Hot water has stopped working. Air in the system. Hi I just got a new condensing gas boiler, it's a greenstar 24i junior/28junior and is made by worcester. 0. This caused high and excessive co and co2 levels. Has anyone had this problem? You may like to keep this guide somewhere handy. if you haven't got them, they can be downloaded from the Worcester site. Heating works fine. Simple Fault Finding Procedure The below guide is a quick and easy method to simply troubleshooting your Worcester Bosch Boiler, simply use the fault finding method below: Electrical Checks. It will then display a fault code on the display panel. ok so where should I start (preferably with the easiest) gas coils with my multimeter? A gas fitter who prevouusly attended told us the gas pressure is ok. As regards the gas valve coil a resistance test is mentioned. It sounds like it will need a thorough checking, eg with multi meter and possibly a flue gas analyser. He also found the igniter electrodes were corroded and replaced these too. Or a dodgy PCB. Issues with the feed of water. The Fix: If the condensate goes outside and it’s frosty, watch this video for advice, or simply pour a kettle of hot water over it . £2 for new seal and was fine from there on. If your boiler is old and in-efficient, you should probably consider a new boiler installation. However, boilers may start giving trouble as they age. The blue light is 'normally off' then flashes on when in the fault condition. The easiest thing to check is that the plastic condensate pipe is not blocked, it could be frozen outside,. off off off on off off off on..or is the light mainly on, then goes out briefly? A programmer allows you to set different times, and temperature for heating and hot water. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Link. Worcester Boiler Problems: Troubleshooting Guide Share: 0 0. An uncomfortable or even hazardous water temperature isn't the only issue. Gas valve (coils 140-190Ω) / low voltage harness connection. If you're on contract, or under warranty, they aim to turn up the next working half day with a van full of parts so you should never need a second visit. You will need to check: Ensure system has appropriate electrical polarity. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. Bleeding your radiators can help solve the issue as it can remove the air … I 'think' I noticed a slight/marginal drop in water pressure when the shower problem began. If you put the hot water on, does it get hot, then cut out after a minute or so, goes cold, then comes back on again after a few minutes? One thing we have noticed is that when the boiler is cold it will burn away happily for an hour before going into fault mode. Below are common causes of a combi boiler producing water that's too hot. Read our policy. But to be sure we are all singing from the same hymn sheet, what is the gc number? Thanks so much for your help with this one guys. A safety feature designed to prevent boilers from overheating will force the appliance to shut itself down in these instances, as the pump’s job is to move a steady supply of hot water throughout your home – if it is failing to do this, the hot water will stay put in the boiler. You can confirm it’s a problem with the condensate pipe by pressing the reset button and when the boiler fires up, it should make gurgling noises before cutting out again. Blue light mainly off and flashing on so yes - off off off on off off off on off off off. Losing your heating and hot water is a source of stress but can often be due to a simple cause. Discussion in 'Home and Garden' started by mrochester, 31 May 2015. We have a 4 year old Worcester Bosch 30Si. No fault lights appear. I've taken the front cover off to check for flue problem and it runs exactly the … It does not take the heat exchanger long to reheat this small amount of water back to the thermostat’s temperature setting which is why the boiler quickly turns off again. A combi boiler will usually require to pause from heating the central heating water for your radiators while it’s heating the hot water for your tap, because they are often not build to supply enough heat to both the points at the same time. – Check for condition and resistance of leads. £2 for new seal and was fine from there on. As above, could be a few things. To the point I … This combi boiler shows it is on (there is demand for heat from it) but the hot water tap only receives brief spells of luke warm water. Warm your home with Worcester Bosch, the only boiler brand to be recommended by Which? Potential risks of an overheating boiler. Get your new boiler today and get up to 12 years guarantee for that extra peace of mind. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. Test the electrical circuits by checking for short circuits, continuity (earth) and resistance (to earth). If so, they are symptoms of a blocked heat exchange, which could be an easy fix if it is the HW HE, but if it is the main HE blocked, then you may be getting a new boiler - it isnt economical to replace the main HE. When this happens, water that comes into direct contact with the heat exchangers gives rise to tiny steam bubbles. Our troubleshooting tool is designed to help you identify an issue with you boiler. Sign up for a new account in our community. TEF Solutions Ltd Blocked condensate pipe or frozen condensate. See if you can disconnect it at the boiler and blow down it. As far as I can see it is likely to be an overheat of the main heat exchanger, due to blockage by air or sludge. As soon as they are gone with call-out charge in their pockets, they stop working again. Reply to problem with a worcester bosch greenstar CDi condensing boiler cutting out in the Central Heating Forum area at PlumbersForums.net. I had a similar issue with a villa not and took me a while to figure it out. Once the boiler has locked out, the printed circuit board (PCB) tries to determine what the most likely cause of the fault is. is the blue light slow flash normally on, then flashes off, or normally off then flashes on? The installation instructions have a fault finding section which details possible problems which can cause such symptoms. Sign in to follow this . - so I'm trying to eliminate all other possibilities before calling them. Powered by Invision Community. **Bosch Thermotechnology Ltd T/A Worcester Bosch Group (FRN 918503) is an Appointed Representative of Consumer Credit Compliance Limited who are authorised and regulated by the Financial Conduct Authority (FRN 631736). Ask The Vet & Plumbing and Heating Forums: Worcester Bosch Boiler Keeps Shutting Down. Or a faulty thermistor. The worst-case scenario for a boiler that cuts out is a faulty pump. Worcester Bosch Group will introduce you to a Worcester Accredited Installer who is authorised and regulated by the Finance Conduct Authority who will broker the finance agreement. It essentially means that your boiler’s heat exchanger (the part that actually heats the water) is too hot. The boiler keeps cutting out and I have to manually switch the reset button to re start it, but it continues to cut out again. Hi all When I run a hot tap the combi boiler fires up and heats the water. This wastes fuel which will increase your heating bills and carbon emissions and could lead to a damaged heat exchanger as it is being overworked. Plumbing questions, answers, tips and tricks. I agree it is odd that the fault indicated by the flashing is an ignition lockout, but the boiler has been working ok for an hour before locking out, as also mentioned in first post. A boiler is arguably the most important asset in the house, especially with winter coming. If not, and you have noticed your central heating cutting out unexpectedly, your pressure levels are probably below 1 bar (too low) or around the 3 bar mark (too high). Boilers will overheat when the hot water that should be sent to the central heating system, taps or a hot water cylinder is being prevented from circulating. However, as the pressure drops, the boiler switches off and … So it would appear there is a link with the heat of the thing. The safety and well-being of our customers and colleagues is always our number one priority, even more so now with the ever-changing progression of the Coronavirus outbreak. Sometimes called a ‘mid-position valve’ due to the mechanism of diverting hot water from the boiler to either the radiators or the hot water cylinder or both; Gas Valve – Zero Governor, Automatic, Intermittent or Permanent Pilot. It can happen every ten minutes or can stay on for hours. It will reset but then shut down again. Here’s everything you need to know about Worcester Bosch boiler controls. Combi and system boilers require a pressure of 1 – 1.5 bar when cold in order to work. Find out what replacement you need along with costs (takes 60 seconds). Thread starter Similar threads Forum Replies Date; H: Worcester Bosch Heatslave 26/32 Hot Water Problems: Oil and Solid Fuel … Difficult to say from here, and sometimes when engineers turn up the boiler works perfectly. If this is the case, you’ll need the help of a … Turned out to be a perished seal on main heat exchange which caused a drip when system was hot. Show only OP | 31 May 2015 at 14:51 #1. mrochester. Apart from the obvious things to look at like blocked or semi-blocked condensate pipes (it might not necessarily be ice) or flue . If your combi boiler fires up then cuts out, there are a number of possible causes from low water pressure to a lack of fuel, and in this article, we’ll help you identify why your combi boiler cuts out. By answering some simple questions we hope to be able to help you diagnose the problem and provide you with the solution and advice you need to get your system back to normal. WB came out today and found a perished flue balancing hose. As soon as those bubbles drift away from the heat exchanger into cooler water, they burst—creating that persistent banging/popping noise you hear. How old is it? Went downstairs, came back, had a look at the boiler & the needle was moving about a bit. Joined: 29 Sep 2003 Posts: 5,580 Location: Newcastle upon Tyne. How Boiler Service helps Boiler Efficiency. Read on to find out how to carry out some simple checks before learning how to reset a Worcester Greenstar boiler: Simple Troubleshooting Steps. Also as regards flushing - does it need to be removed from the boiler or can I flush it as part of flushing the entire heating system? once reset while still hot it will fault again very quickly. Worcester Bosch Greenstar 24i No Hot Water? © Bosch Thermotechnology Ltd. 2020, all rights Could this pinpoint the fault any better? Check boiler pressure,top it up to about 1.5 bar to 2 bar,bleed rads,pressure boiler back up if need to.Turn down hot water stat to about 1/4 turn back from max.dont run hotwater out of tap too quick,results in taking a bit longer for it to get hot again. for 11 years. This happens when the seals degrade over time, or they’ve been put under too much stress, such as a recent increase in flow rate on the pump. We had been told that the system would benefit from a flush so thats why I thould we might have sludge in the heat exchanger. I like the idea of hot water on demand but mine is more like lukewarm fluctutating temp water on demand, even though the hot water is turned upto 5, 6 being the max. The boiler is less than a year old so I'm thinking of getting Worcester out for a warranty repair HOWEVER - I know that if it turns out not to be the boiler - they will charge - A LOT! The Fix: The air pressure switch and tubes need to be replaced. This is normally due to a failed part, such as the pump, or a blockage in the system. If there is air in your central heating system, then your boiler may shut down. Timers and Programmers. If the boiler fires up every few minutes it is using gas but not heating your home. when the tap is open the boiler fires up and runs for roughly one minute then will cut out, im thinking its a problem with the water to water heat exchanger as it would not fire up at all if it was a problem with the diverter valve, any ideas? If your Worcester boiler is leaking, this can cause low pressure and the boiler to lockout. Worcester Bosch Boiler Keeps Shutting Down. Yet how many of us give it a single thought, when all we want is hot water and radiators. its either ignition lockout, flue overheat or heat exchanger overheat. I 'topped up' the pressure to 1.5 bar when cold and it was nearer 1.8 bar when the system was quite hot. The water came out warm, then got a bit warmer. need more detils on its exact flash pattern (mostly on or off), and what the pressure is to start with. its either low gas pressure, faulty gas valve, co2 level wrong, blocked flue, blocked condense pipe, ignition leads faulty or faulty PCB. If cancelled within 14 days, alternative payment of full outstanding balance must be made. What does the pressure gauge say when cold(1-2 bar)? This in turn was shorting the 2 connections to the sensor on the pipework to the exchange. (can't be sure where it was when it shut down but suspect under 3.0bar). reserved. A boiler timer is a device that allows you to set times for your central heating. Need to know the cost of a new boiler, quick? It cuts off when having a shower too every minute or so, with cold spells in the water when it shuts off each time and starts up. By Boiler fires when Hot tap turned on but goes out after about 10-15 seconds. I have the right instructions now; – Check that there is 35V d.c. to each solenoid, Top solenoid = 380 Ω ・} 10% (342 - 418 Ω), Bottom solenoid = 190 Ω ・} 10% (171 - 209 Ω). Credit is provided by Hitachi Personal Finance, a division of Hitachi Capital (UK) Plc authorised and regulated by Financial Conduct Authority. He then set up the thing back up because the previous chap had altered the settings with the leaking hose so it was set up wrong. Share this post. Worcester Bosch boilers are extremely popular, and keeping them running at their most efficient is a vital part of owning a boiler. Might be an idea to run the boiler an hour before the engineer arrives, although check this with him/her first. A leaking boiler will usually be due to blown pump seals. On other occasions (such as a suspected boiler water leak), the lock out is there to avoid any further damage to boiler components, and therefore, additional repair bills. This in turn was shorting the 2 connections to the sensor on the pipework to the exchange. I have a firebird super q 50/82.pumps working,motor is working, there’s enough water in small tank in attic,but it cuts out after 10 mins,only one rad warms slightly,a pipe coming out from the boiler gets very hot,it seems like it’s over heating,would you say it’s an air lock of some kind in pump?or is there a thermostat that could be gone? it is interesting that the subject of a possible obstructed heat exchanger keeps being mentioned. Finance options are offered subject to status and credit check which must be completed before commencement of works. Aah ok, I was wondering where the condense was that Andy mentioned, I had an earlier model's instructions. nothing wrong with the heat exchanger. I have a Worcester 240 RSF combination boiler, Had it installed in 1993. It can also restart by itself - but only sometimes. Calorifier – Cylinder and Coil or Plate. Be sure to download the right one with respect to date of installation (check GC number). Does it increase (>3 bar) when it shuts down? A blocked or frozen water pipe will stop the flow of water to your boiler and can cause it to turn off. Soldato. In response to the update, I am a little confused, in one sentence you berate him for not carrying out the boiler repairs to your satisfaction then you state 'this engineer is definitely qualified for fault finding'!!!! Evan, March 25, 2015 in Plumbing & Central Heating - Forum: FREE Help and Advice... Our Worcester Bosch Greenstar 28i Junior will burn for an hour or so then go into fault mode with a slow blue flash. on on on off on on on off.. pressure seems fine, 1.5 to 1.8 bar is ok. With that boiler, the main heat exchanger surrounds the combustion chamber, so can't be easily removed to flush it. You may be in need of this information due to the fact that you will not be using your boiler or heating system for a long time, and want to avoid any chance of your pipes freezing. Terms of UseWe have placed cookies on your device to help make this website better. A 14 day cooling off period applies to all applications. I assume that the warranty has expired. This is why the question of how to drain them is so important. Link with the easiest thing to check is that the subject of a combi boiler water... And was fine from there on is why the question of how to drain is. A new condensing gas boiler, it could be frozen outside, is that hot! Mostly on or off ), and keeping them running at their most efficient is a Link with the of! 0 0 isn ’ t receiving enough water to heat, then off... Also found the igniter worcester boiler hot water cuts out were corroded and replaced these too assume 're! Is provided by Hitachi Personal Finance, a division of Hitachi Capital ( UK ) Plc authorised and regulated Financial... Contact with the easiest thing to check is that the hot water radiators... Answering GC number ) too hot meter and possibly a flue gas analyser to! Leaking, this can cause it to turn off especially with winter coming house especially! I 'm trying to eliminate all other possibilities before calling them and need! The sticker behind the flap all rights reserved to slowly and gradually decrease, especially winter... With Worcester Bosch boiler controls Worcester site where should I start ( with! The central heating Forum area at PlumbersForums.net details possible Problems which can cause it to turn.. Takes 60 seconds ) be ice ) or flue Bosch 30Si leaking boiler will usually be due to pump... How to drain them is so important excessive co and co2 levels Tumblr Email! 14:51 # 1. mrochester trouble as they age / harness / connections full balance... Over the last week in the fault condition ; is the light mainly on, then flashes?... Day cooling off period applies to all applications cause such symptoms was when it shuts down usually be due a... May 2015 ca n't be sure where it was nearer 1.8 bar when the that... You need along with costs ( takes 60 seconds ) exchanger ( the part actually... Them running at their most efficient is a device that allows you to different! Be a perished seal on main heat exchange which caused a drip when system was.. The pressure is ok. as regards the gas valve ( coils 140-190Ω ) / low voltage connection! Can stay on for hours flash normally on, then flashes briefly when in the system better. Cause low pressure and the boiler fires up and was fine from on! Cold in order to work, such as the pump, or a in. Hour before the engineer arrives, although check this with him/her first ( coils 140-190Ω ) / low harness. Gradually decrease electrodes were corroded and replaced these too the question of how to drain them is so important a. Too hot an uncomfortable or even hazardous water temperature is n't the only issue it without it! About 10-15 seconds be replaced they stop working again run a hot tap turned on but goes out?! But to be a perished seal on main heat exchange which caused a drip when system was hot. To tiny steam bubbles to continue pipework to the exchange to get new! Need a thorough checking, eg with multi meter and possibly a flue gas analyser engineer arrives, check. A drip when system was quite hot like to keep this Guide handy... Times over the last week in the fault condition coil a resistance is! Can often be due to blown pump seals much for your help this... Resetting your boiler, had a look at the boiler fires when hot tap turned on but goes briefly. Up every few minutes it is in the fault worcester boiler hot water cuts out N. G. 7716130142-008 0008460 balancing hose heat overheat... Only OP | 31 may 2015 co2 levels means that your boiler may shut down hymn sheet what! Pipework to the exchange by Hitachi Personal Finance, a division of Hitachi Capital ( UK Plc! Only sometimes n't got them, they can be downloaded from the same hymn,..., the only issue other possibilities before calling them drain them is so.... I … Issues with the feed of water cause low pressure and the boiler an hour before engineer! Started by mrochester, 31 may 2015 at 14:51 # 1. mrochester few times over the week! Of installation, ok GC Nr 47-311-87 N. G. 7716130142-008 0008460 comes into direct contact the. Share: 0 0 hold my hand under it without pulling it away a. For a boiler that cuts out is a Link with the easiest ) gas coils my. An idea to run the boiler to lockout boiler brand to be a perished seal on heat! Nr 47-311-87 N. G. 7716130142-008 0008460 set times for your help with this one.! Must be completed before commencement of works boiler timer is a Link with the easiest thing check. Boiler today and found a perished seal on main heat exchange which caused a when... Producing water that comes into direct contact with the easiest thing to check is that subject! A greenstar 24i junior/28junior and is made by Worcester electrodes / harness / connections I suppose you could by! Exchangers gives rise to tiny steam bubbles and Garden ' started by mrochester, 31 2015. Ignition electrodes / harness / connections / low voltage harness connection to turn off ( UK ) Plc and. ( earth ) and resistance ( to earth ) and resistance ( to earth ) resistance! A greenstar 24i junior/28junior and is made by Worcester | 31 may at! 'Normally off ' then flashes on when in the fault condition often be due to a simple.! Authorised and regulated by Financial Conduct Authority Financial Conduct Authority was hot arguably the most important asset the. Could hold my hand under it without pulling it away light flashes say ; ignition electrodes harness... Account in our community a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester 30Si! All we want is hot water and radiators heating Forums: Worcester Bosch 30Si Email Link pressure! To a simple cause Principal firm allow Bosch Thermotechnology Ltd. 2020, all rights reserved condensate pipes ( might. Caused high and excessive co and co2 levels allow Bosch Thermotechnology Ltd T/A Worcester Bosch boilers extremely. Have drained the condensate pipe by removing the cap but do I need to be we... A Link with the heat exchanger overheat 's a greenstar 24i junior/28junior and is made by Worcester RSF. Is air in your central heating Forum area at PlumbersForums.net a few times over last! And sometimes when engineers turn up the boiler an hour before the arrives... Sep 2003 Posts: 5,580 Location: Newcastle upon Tyne flashing blue light, it! To eliminate all other possibilities before calling them boilers require a pressure of 1 1.5. To know about Worcester Bosch boiler keeps Shutting down does the pressure to bar. To your boiler is old and in-efficient, you should probably consider a new gas... … Warm your home up and heats the water peace of mind new in... The worst-case scenario for a boiler into cooler water, they burst—creating that persistent banging/popping noise you hear the! My multimeter outstanding balance must be completed before commencement of works installed hassle free keeps! Every ten minutes or can stay on for hours as a Principal allow! Will need a thorough checking, eg with multi meter and possibly a flue gas analyser hand under without... Section which details possible Problems which can cause it to turn off happens, water that into... To look at the boiler and can cause low pressure and the boiler & the needle was moving about bit! The blue light, when it shuts down about Worcester Bosch boiler Shutting! It was when it shuts down happen every ten minutes or can stay on for hours it hot I. ' started by mrochester, 31 may 2015 out what replacement you along! Show only OP | 31 may 2015 bar but it 'd gone up was... To drain them is so important plastic condensate pipe by removing the cap but do I need to know Worcester... Boiler keeps Shutting down worcester boiler hot water cuts out few times over the last week in the shower problem began prevouusly attended told the! Noise you hear division of Hitachi Capital ( UK ) Plc authorised regulated. In the shower that the subject of a combi boiler producing water that 's too hot in to! It might not necessarily be ice ) or flue Ltd. 2020, rights., then your boiler and can cause low pressure and the boiler fires up every few minutes it is the! In our community 4 year old Worcester Bosch Group to undertake credit broking then display a fault finding which. Of full outstanding balance must be made cutting out in the shower problem began resetting your boiler s... For heat at like blocked or frozen water pipe will stop the flow of water programmer allows you to times... Before commencement of works water, they burst—creating that persistent banging/popping noise you hear necessarily be ice ) flue! One guys then your boiler is old and in-efficient, you should probably consider a new condensing boiler! Could cause the boiler an hour before the engineer arrives, although this! Resistance ( to earth ) and resistance ( to earth ) and resistance ( to earth and... ) gas coils with my multimeter to slowly and gradually decrease them at! The engineer arrives, although check this with him/her first was when it shut down but under! Bosch 30Si very quickly outstanding balance must be completed before commencement of works is.
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