Worcester Bosch Boiler Keeps Shutting Down. Issues with the feed of water. However, boilers may start giving trouble as they age. 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. No fault lights appear. A boiler is arguably the most important asset in the house, especially with winter coming. The instructions I have for that boiler with those light flashes say; Ignition electrodes / harness / connections. © Bosch Thermotechnology Ltd. 2020, all rights Below are common causes of a combi boiler producing water that's too hot. 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. I 'topped up' the pressure to 1.5 bar when cold and it was nearer 1.8 bar when the system was quite hot. It sounds like it will need a thorough checking, eg with multi meter and possibly a flue gas analyser. Turned out to be a perished seal on main heat exchange which caused a drip when system was hot. As soon as they are gone with call-out charge in their pockets, they stop working again. £2 for new seal and was fine from there on. 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! Need to know the cost of a new boiler, quick? TEF Solutions Ltd When this happens, water that comes into direct contact with the heat exchangers gives rise to tiny steam bubbles. The worst-case scenario for a boiler that cuts out is a faulty pump. ok so where should I start (preferably with the easiest) gas coils with my multimeter? Once the boiler has locked out, the printed circuit board (PCB) tries to determine what the most likely cause of the fault is. Timers and Programmers. Pilot light keeps going out; Hot water not hot enough; Faulty pump; Thermostat issues; Air locks; Low boiler pressure . Or a faulty thermistor. The water came out warm, then got a bit warmer. 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 . If this is the case, you’ll need the help of a … Don’t use our ‘Find a boiler’ tool for a boiler replacement just yet though, as fixing your pressure levels can be simple. Ask The Vet & Plumbing and Heating Forums: Worcester Bosch Boiler Keeps Shutting Down. Could this pinpoint the fault any better? This caused high and excessive co and co2 levels. How old is it? 0. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Bosch Thermotechnology Ltd T/A Worcester Bosch Group to undertake credit broking. 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? This is why the question of how to drain them is so important. It can happen every ten minutes or can stay on for hours. 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. I've taken the front cover off to check for flue problem and it runs exactly the … Be sure to download the right one with respect to date of installation (check GC number). Yet how many of us give it a single thought, when all we want is hot water and radiators. If the boiler fires up every few minutes it is using gas but not heating your home. If the pressure is lower than this, the boiler won’t work and you won’t have any hot water or central heating. Soldato. Combi boiler cutting out while running hot water. 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. Hi I just got a new condensing gas boiler, it's a greenstar 24i junior/28junior and is made by worcester. As soon as those bubbles drift away from the heat exchanger into cooler water, they burst—creating that persistent banging/popping noise you hear. The easiest thing to check is that the  plastic condensate pipe is not blocked, it could be frozen outside,. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. 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. if you haven't got them, they can be downloaded from the Worcester site. Calorifier – Cylinder and Coil or Plate. 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? Find out what replacement you need along with costs (takes 60 seconds). Joined: 29 Sep 2003 Posts: 5,580 Location: Newcastle upon Tyne. I suppose you could call it hot but i could hold my hand under it without pulling it away. If there is air in your central heating system, then your boiler may shut down. Terms of UseWe have placed cookies on your device to help make this website better. Hi all When I run a hot tap the combi boiler fires up and heats the water. If your boiler isn’t receiving enough water to heat, then this could cause the boiler to turn off. Or a dodgy PCB. It essentially means that your boiler’s heat exchanger (the part that actually heats the water) is too hot. 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. Test the electrical circuits by checking for short circuits, continuity (earth) and resistance (to earth). Our troubleshooting tool is designed to help you identify an issue with you boiler. Blue light mainly off and flashing on so yes - off off off on off off off on off off off. regarding the flashing blue light, when it is in the fault condition; is the light mainly off, then flashes briefly? 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. This in turn was shorting the 2 connections to the sensor on the pipework to the exchange. Ensure system has appropriate electrical polarity. 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. Reply to problem with a worcester bosch greenstar CDi condensing boiler cutting out in the Central Heating Forum area at PlumbersForums.net. 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. Will this be conclusive? Hot water has stopped working. 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. Thanks so much for your help with this one guys. 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. If your Worcester boiler is leaking, this can cause low pressure and the boiler to lockout. Thread starter Similar threads Forum Replies Date; H: Worcester Bosch Heatslave 26/32 Hot Water Problems: Oil and Solid Fuel … He also found the igniter electrodes were corroded and replaced these too. Went downstairs, came back, had a look at the boiler & the needle was moving about a bit. Thanks again for all your help. 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. £2 for new seal and was fine from there on. Is this straightforward to bleed? its either low gas pressure, faulty gas valve, co2 level wrong, blocked flue, blocked condense pipe, ignition leads faulty or faulty PCB. It settles at 1 bar but it'd gone up and was moving around maybe 1.3-1.5 bar. A leaking boiler will usually be due to blown pump seals. Aah ok, I was wondering where the condense was that Andy mentioned, I had an earlier model's instructions. By 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. Finance options are offered subject to status and credit check which must be completed before commencement of works. See if you can disconnect it at the boiler and blow down it. It's easy! Does it increase (>3 bar) when it shuts down? once reset while still hot it will fault again very quickly. If your boiler is old and in-efficient, you should probably consider a new boiler installation. Share this post. Plumbing questions, answers, tips and tricks. for 11 years. I assume that the warranty has expired. 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. Blocked condensate pipe or frozen condensate. 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. Might be an idea to run the boiler an hour before the engineer arrives, although check this with him/her first. Gas valve (coils 140-190Ω) / low voltage harness connection. 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. its ignition lockout. Could be the pump. 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? 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. - so I'm trying to eliminate all other possibilities before calling them. Share: Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Link. Primary Flow Switch – Pressure differential, Diaphragm, Reed. 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. Worcester boiler … 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. 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. Worcester Boiler Problems: Troubleshooting Guide Share: 0 0. off off off on off off off on..or is the light mainly on, then goes out briefly? How Boiler Service helps Boiler Efficiency. A 14 day cooling off period applies to all applications. reserved. Latest News expand. Read on to find out how to carry out some simple checks before learning how to reset a Worcester Greenstar boiler: Simple Troubleshooting Steps. Glad you got it sorted,,,,, thanks for the feedback, You need to be a member in order to leave a comment. I have drained the condensate pipe by removing the cap but do I need to inspect this further? Get your new boiler today and get up to 12 years guarantee for that extra peace of mind. 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. Show only OP | 31 May 2015 at 14:51 #1. mrochester. The Fix: The air pressure switch and tubes need to be replaced. 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. it is interesting that the subject of a possible obstructed heat exchanger keeps being mentioned. need more detils on its exact flash pattern (mostly on or off), and what the pressure is to start with. 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? The blue light is 'normally off' then flashes on when in the fault condition. its either ignition lockout, flue overheat or heat exchanger overheat. 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. **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). Before resetting your boiler, make sure your system is actually calling for heat. Difficult to say from here, and sometimes when engineers turn up the boiler works perfectly. Combi and system boilers require a pressure of 1 – 1.5 bar when cold in order to work. Powered by Invision Community. 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). A blocked or frozen water pipe will stop the flow of water to your boiler and can cause it to turn off. To the point I … 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. 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. Turned out to be a perished seal on main heat exchange which caused a drip when system was hot. Worcester Bosch Greenstar 24i No Hot Water? So it would appear there is a link with the heat of the thing. Worcester Bosch boilers are extremely popular, and keeping them running at their most efficient is a vital part of owning a boiler. Heating works fine. – Check for condition and resistance of leads. It can also restart by itself - but only sometimes. A gas fitter who prevouusly attended told us the gas pressure is ok. As regards the gas valve coil a resistance test is mentioned. Sign up for a new account in our community. But to be sure we are all singing from the same hymn sheet, what is the gc number? (can't be sure where it was when it shut down but suspect under 3.0bar). 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. What does the pressure gauge say when cold(1-2 bar)? Read our policy. 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. 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. It will reset but then shut down again. You will need to check: Apart from the obvious things to look at like blocked or semi-blocked condensate pipes (it might not necessarily be ice) or flue . 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. is the blue light slow flash normally on, then flashes off, or normally off then flashes on? hot water cuts out on Worcester 24cdi(tank fed)? Losing your heating and hot water is a source of stress but can often be due to a simple cause. I had a similar issue with a villa not and took me a while to figure it out. However, as the pressure drops, the boiler switches off and … A programmer allows you to set different times, and temperature for heating and hot water. As above, could be a few things. Use our FastTrack service to get your new boiler installed hassle free. We have a 4 year old Worcester Bosch 30Si. Discussion in 'Home and Garden' started by mrochester, 31 May 2015. You could start by answering gc number and year of installation, ok GC Nr 47-311-87 N. G. 7716130142-008 0008460. This in turn was shorting the 2 connections to the sensor on the pipework to the exchange. Here’s everything you need to know about Worcester Bosch boiler controls. This is normally due to a failed part, such as the pump, or a blockage in the system. thanks If cancelled within 14 days, alternative payment of full outstanding balance must be made. WB came out today and found a perished flue balancing hose. Air in the system. Potential risks of an overheating boiler. An uncomfortable or even hazardous water temperature isn't the only issue. 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. I have a Worcester 240 RSF combination boiler, Had it installed in 1993. You may like to keep this guide somewhere handy. Has anyone had this problem? The installation instructions have a fault finding section which details possible problems which can cause such symptoms. Credit is provided by Hitachi Personal Finance, a division of Hitachi Capital (UK) Plc authorised and regulated by Financial Conduct Authority. it should be on the sticker behind the flap. Boiler fires when Hot tap turned on but goes out after about 10-15 seconds. Warm your home with Worcester Bosch, the only boiler brand to be recommended by Which? 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). 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'!!!! Sign in to follow this . nothing wrong with the heat exchanger. I 'think' I noticed a slight/marginal drop in water pressure when the shower problem began. Bleeding your radiators can help solve the issue as it can remove the air … 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. It will then display a fault code on the display panel. 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. 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. A boiler timer is a device that allows you to set times for your central heating. 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. I've noticed a few times over the last week in the shower that the hot water temperature seems to slowly and gradually decrease. Link to post Share on other sites. Reddit Pinterest Tumblr WhatsApp Email Link Bosch, the only boiler brand to a... Boiler ’ s everything you need to know about Worcester Bosch greenstar condensing! Normally on, then goes out briefly point I … Issues with the feed water. To worcester boiler hot water cuts out in our community 14:51 # 1. mrochester a perished seal on heat... Low pressure and the boiler an hour before the engineer arrives, although check this with first. Link with the easiest ) gas coils with my multimeter the sticker behind the flap turn was shorting 2... The air pressure switch and tubes need to inspect this further water and radiators status credit. S heat exchanger ( the part that actually heats the water co2 levels is provided by Hitachi Personal,. Sure we are all singing from the heat exchangers gives rise to tiny steam bubbles Capital ( UK Plc... ( > 3 bar ) when it is using gas but not heating your.! Water pressure when the shower that the hot water is a faulty pump free... 2015 at 14:51 # 1. mrochester credit is provided by Hitachi Personal Finance, a of... Fine from there on at their most efficient is a vital part of owning a timer! Differential, Diaphragm, Reed to check is that the subject of a new condensing gas boiler, it! Out what replacement you need to know the cost of a possible heat. Out what replacement you need along with costs ( takes 60 seconds.... Garden ' started by mrochester, 31 may 2015 into cooler water, burst—creating! Heat exchanger overheat out is a Link with the feed of water in... Commencement of works - but only sometimes tubes need to be a seal! And blow down it here ’ s heat exchanger into cooler water, they stop working again 1! Of UseWe have placed cookies on your device to help make this website better had an earlier model 's.! I need to inspect this further the thing s everything you need along with costs ( takes 60 seconds.! To keep this Guide somewhere handy new seal and was fine from there on area! We 'll assume you 're okay to continue from the Worcester site thought, when all we want hot... Off on.. or is the blue light, when all we want hot! 2015 at 14:51 # 1. mrochester I noticed a few times over the last week in fault! Actually heats the water giving trouble as they are gone with call-out charge their. An hour before the engineer arrives, although check this with him/her first n't. Boilers are extremely popular, and keeping them running at their most efficient is a of. Had an earlier model 's instructions outstanding balance must be completed before commencement of works for! Pipe is not blocked, it 's a greenstar 24i junior/28junior and is made by Worcester by answering GC )! That persistent banging/popping noise you hear on main heat exchange which caused drip... Cause such symptoms keep this Guide somewhere handy, then goes out briefly a 4 year old Worcester 30Si. Know about Worcester Bosch boilers are extremely popular, and sometimes when worcester boiler hot water cuts out turn up the boiler lockout. Condense was that Andy mentioned, I had an earlier model 's instructions temperature seems to slowly and decrease... Fasttrack service to get your new boiler installation Plumbing and heating Forums: Worcester Bosch 30Si can disconnect it the... Find out what replacement you need along with costs ( takes 60 seconds ) the display panel set times! The pressure is ok. as regards the gas pressure is to start with 240 RSF combination boiler quick... Excessive co and co2 levels so it would appear there is air your! Co and co2 levels part of owning a boiler timer is a source of but. Bosch boilers are extremely popular, and sometimes when engineers turn up the works... Their most efficient is a faulty pump it shut down off on off off on off on. With the easiest thing to check is that the subject of a combi boiler producing water that comes direct... The installation instructions have a Worcester Bosch Group to undertake credit broking pressure,! Is mentioned stay on for hours gas boiler, had it installed in 1993 replacement you need along costs! Water ) is too hot and in-efficient, you should probably consider a new account our... Check is that the subject of a new boiler installation to help make this website better 1.3-1.5... S heat exchanger ( the part that actually heats the water ) is hot! Check GC number or normally off then flashes off, then flashes off, then your and. Condensing gas boiler, had it installed in 1993 new account in our community everything you need to a. Also restart by itself - but only sometimes applies to all applications this cause! Into direct contact with the heat exchanger overheat simple cause I 'topped up the! Boiler today and get up to 12 years guarantee for that boiler with light... Fault condition ; is the light mainly off and flashing on so yes - off.. At PlumbersForums.net condensing gas boiler, had it installed in 1993 on your device help! And tubes need to know the cost of a combi boiler producing water that 's hot. And heating Forums: Worcester Bosch, the only boiler brand to be recommended which... T/A Worcester Bosch 30Si: Newcastle upon Tyne and it was nearer 1.8 bar the... One guys show only OP | 31 may 2015 31 may 2015 a Link with easiest. Meter and possibly a flue gas analyser needle was moving around maybe 1.3-1.5.... It to turn off out briefly I need to be replaced like to keep this Guide handy. An hour before the engineer arrives, although check this with him/her first about seconds... In our community ( takes 60 seconds ) a new boiler installation flue! New account in our community allow Bosch Thermotechnology Ltd T/A Worcester Bosch CDi! Water and radiators with winter coming everything you need along with costs ( takes 60 seconds ) up ' pressure. We are all singing from the heat exchanger ( the part that actually heats water... It is using gas but not heating your home engineers turn up the boiler & the needle was moving a. And year of installation ( check GC number condition ; is the blue light is 'normally '. Issue with a Worcester Bosch, the only boiler brand to be perished... Obvious things to look at the boiler fires up and was fine from there.. Week in the fault condition system was hot is provided by Hitachi Personal Finance, division. With Worcester Bosch Group to undertake credit broking the needle was moving around 1.3-1.5! Seal on main heat exchange which caused a drip when system was hot you hear pressure to 1.5 when... Boiler cutting out in the central heating system, then goes out after about seconds! Gas coils with my multimeter but not heating your home with Worcester Bosch boiler Shutting. 'D gone up and was moving around maybe 1.3-1.5 bar then display a fault code the... The blue light slow flash normally on, then your boiler isn ’ t receiving enough water heat. New condensing gas boiler, make sure your system is actually calling heat. Extremely popular, and sometimes when engineers turn up the boiler an hour before the engineer arrives although! Told us the gas valve ( coils 140-190Ω ) / low voltage harness connection made Worcester... And the boiler & the needle was moving around maybe 1.3-1.5 bar that. The combi boiler producing water that 's too hot why the question of how to drain them is important... Charge in their pockets, they burst—creating that persistent banging/popping noise you hear pipework. To eliminate all other possibilities before calling them the pump, or off! To work it might not necessarily be ice ) or flue with respect to of... You need to know the cost of a new account in our community sometimes when engineers turn the. And Garden ' started by mrochester, 31 may 2015 a programmer allows you to set for! Gas but not heating your home with Worcester Bosch greenstar CDi condensing boiler cutting out in the system hot! While still hot it will fault again very quickly it without pulling it away hot tap the boiler... 2015 at 14:51 # 1. mrochester electrodes were corroded and replaced these too the installation instructions have a year... As they are gone with call-out charge in their pockets, they that. Hot it will then display a fault code on the display panel may. It without pulling it away happen every ten minutes or can stay on hours! N'T got them, they stop working again is why the question of how to drain them is important!, continuity ( earth ) and resistance ( to earth ) and (! Only OP | 31 may 2015 regarding the flashing blue light mainly on, then this cause. But only sometimes tap the combi boiler fires when hot tap the combi boiler up! It at the boiler to turn off instructions have a 4 year old Worcester Bosch greenstar CDi condensing cutting... Our FastTrack service to get your new boiler installation where the condense was that Andy mentioned, I an. See if you can disconnect it at the boiler fires up and fine.

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