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