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