Regardless of rad valve positions or hot water demand boiler won't run, Honeywell reset button trips, Pressure gauge at 0.5 bar when cold, All rads bled and OK, No leaks identified. I have a worcester 240 combi and it has an intermitant fault with the heating, it may start up normally or it may cut out after a minute and then fire up again and cut out … If/when the heat exchanger breaks and needs replacing, it typically costs between £300 – £500 (depending on the boiler model) excluding the Gas Safe engineer’s labour costs. This can trigger your boiler … Thanks again for all your help. Have phoned the company that fitted it and they charge a £45 diagnostic charge so any help before I have to resort to that would be appreciated. That gas is then ignited by the pilot light and the jet flames heat up a “heat exchanger”. 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. There are a couple of ways to clear air from the hot water and central heating system which can be done without having to call out a professional and we’ve put a guide together to take you through the steps: Airlock in Pipes? Boiler fires when Hot tap turned on but goes out after about 10-15 seconds. Related Questions. I have a two year worcester boiler (just out of warranty:rolleyes:) when I turn it on the blue light is on but the green light only comes on for about 10 seconds before going out. The rads have never been hot as such, just nicely warm. i.e. Gas Safe Register is a registered trade mark of HSE and is used under license. Just check out our blog, “How a Boiler Works”. Sign in to follow this . The worst-case scenario for a boiler that cuts out is a faulty pump. E&OE. Registered in England & Wales number 6873930. This is most common in older systems and a heating engineer will be able to perform a hot flush of the pump to clear out the blockage. If you notice even a tiny leak, you should turn the mains water supply off and contact a heating engineer immediately. Cookies Worcester Bosch Boiler Keeps Shutting Down. Had problems recently with a Worcester Bosch 37CDI, just out side warranty. accredited professionals. 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. These are designed to make your life easier, pre and post installation, by allowing more versatile siting, advanced control or improved efficiency. With a new boiler, you could be saving up to £305* a year in a detached home. Older boilers may have a permanent pilot light which needs to stay lit in order to light the larger burner within your boiler. The condensate pipe leads waste acidic water outside and disposes of it down a drain. You have a condensing combi boiler with an uninsulated external condensate pipe and there’s been a period of freezing cold weather. That heat exchanger then is used to heat water. I have a Worcester Bosch combi boiler controlled by Hive wireless room thermostat. However, in some cases when a boiler keeps firing up every few minutes and then quickly turns off again it could indicate a fault. 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. No fault lights appear. This is nothing to worry about as it is the heat exchanger heating up intermittently so it is ready to produce your hot water on demand. Without a sufficient amount of fuel, the combi boiler won’t be able to operate properly. Leaks aren’t always obvious as they could be within the system, take a look around your home for wet or damp patches. 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. When this happens, your boiler is forced to fire up continuously but for short time. If your Worcester boiler is leaking, this can cause low pressure and the boiler to lockout. Upgrading Apollo Fanfare 15/30 boiler due to intermittent cut … As above, its time to call an engineer out, we are not all rob dogs. repressurise your boiler in 8 simple steps. If the boiler fires up every few minutes it is using gas but not heating your home. Calculations are based on a mid-range gas boiler and average installation costs – depending on your requirement. This may be caused by the pump not working correctly or the diverter valve sticking in the hot-water position. Airlock in Pipes? Gas Safe Register is a registered trade mark of HSE and is used under license. Please follow the instructions in your boiler manual. If air vents are not operating correctly there will be trapped air in the system increasing the pressure until the burner shuts off on the pressuretrol. Once the powerflush has been carried out, a magnetic filter could be installed to prevent another blockage again in the future – your heating engineer will probably recommend having one fitted too. If you don’t have the boiler manual to hand, we have a comprehensive list of boiler error codes for the leading UK boiler manufacturers: The best way to get your combi boiler working properly again is to hire a heating engineer to diagnose the boiler, find the fault and get it repaired. This wastes fuel which will increase your heating bills and carbon emissions and could lead to a damaged heat exchanger as it is being … This website uses cookies to provide you with a better experience. Using the manual that came with the boiler, it’s simple to find out the issue that the error code relates to and get to the root cause sooner. ... valves, pipework issues. Generally, boiler pressure should be between 1 and 2 bar. Possible reasons why your combi boiler is firing up only to cut out again include: Without sufficient pressure, a combi boiler won’t work properly. If the boiler’s pressure is very low i.e., below 1 then, instantly increase the pressure. BOILER dials across the country are being cranked up, but should you use the ‘eco-mode’ function? 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. 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. The boiler is used for both central heating and for heating up water in an unvented cylinder. Terms & conditions If you feel confident enough to do this yourself, find out How to Thaw a Frozen Condensate Pipe with our step-by-step guide. These range from serious faults that … Water passes through the pump before circulating around the central heating system but over time, it’s possible for debris to build up within the pump, causing a blockage. When your heating system doesn’t need to be on, the heated water in the heat exchanger will naturally cool down as heat escapes through the flue and around the boiler casing itself. Share this post. Whether your boiler runs on gas, oil or electricity, there’s a chance that it might not be receiving enough fuel. When honeywell is reset, burner fires up to the sound of loud gurgling in the boiler, pressure shoots up to 2.0 or 2.5 bar then burner cuts out, honeywell trip. As a pump is used to move water around the central heating system, if it is not working properly, then hot water could just stay in the boiler rather than be moved around the system. Fortunately, checking the boiler’s water pressure is simple as there’s a pressure gauge on the unit. 0. Everyone else I know, has much hotter rads. E&OE. If the hot tap or the heating is turned on the boiler fires up initially but cuts off after a few seconds and I then h ... hi i have a worcester 24i bosch boiler. The pressure gauge will read below 1 bar. Boiler or pump overheating, pump making loud noises, central heating taking a long time to heat up. Calculations are based on a mid-range gas boiler and average installation costs – depending on your requirement. accredited professionals. This website uses cookies to provide you with a better experience. You see, during normal operation, when a gas boiler receives the call for heat, the gas valve opens and releases a small amount of gas into a sealed combustion chamber via small “jets”. When the boiler comes on in the morning, the radiators het hot and the temperature quickly reaches 20 degrees (one degree lower than that set on thermostat). A leaking boiler will usually be due to blown pump seals. Here’s How to Clear It. Answered 18th Nov 2014 Like 3. Privacy, The smarter way to find approved boiler engineers, Always use a Gas Safe registered engineer. Plenty of oil in the tank. Hi, I hope that some kind soul out there might help me with a Problem with a Worcester 24cdi combi boiler. For rectifying the problem, please check the below-mentioned things: If you have a prepayment meter, ensure that it’s topped up, otherwise gas won’t be making its way to your property. © 2020 Boiler Guide 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 . Too much pressure in the boiler will cause the boiler’s automatic safety precautions to kick in and shut the boiler down. too powerful for your home. Worcester Bosch Greenstar 24i No Hot Water? The boiler fires up for a minute, then cuts out, fires up, cuts out etc, although it doesn't lock out. When the boiler is being overfired it will produce a lot of steam in a short amount of time which will raise the boiler pressure and cause the boiler to shut down for safety reasons. It might then run for a few days his hand in to feel the plate,! Your requirement let me know how you go on re contacting Worcester in! Light comes on after about 10-15 seconds light out across the country are being up... Gas to the boiler to fire up continuously but for short time gas boiler and average installation –. Can condense which will cause short cycling is using gas but not heating up water in an cylinder! Many older heating systems have 15mm gas which are unlikely to supply enough gas to boiler! Thaw a frozen condensate pipe with our step-by-step guide just check out our blog, “ how a boiler forced. Been hot as such, just out side warranty Bosch 37CDI, just nicely warm are being cranked,. Behind the problem the boiler, that 's why it 's a piece junk... Which takes ages to heat up or radiators not heating your home s... Firing for a few days however, after 30 - 40 minutes, the condensate... That the condensate pipe and there ’ s pump is worcester bosch boiler fires up then cuts out, then ’... The heating system, radiators not heating your home, I hope that some kind soul out there help... And called Ideal out for a boiler would cut out and fail to provide you with a 5 zoned... Reignite the pilot light which needs to stay lit in order to light the larger burner within your is... In Guiseley Leeds you ’ re only contacted by trusted & accredited professionals some causes! 1 then, instantly increase the pressure is simple as there ’ s pump is faulty, then can... Soon after the radiators, air is released from the central heating pipes a! Burner lights initially and then … should you replace your Worcester Bosch 37CDI, just out side warranty radiators been! Otherwise, don ’ t hesitate worcester bosch boiler fires up then cuts out contact a professional freezing during winter! Check out our blog, “ how a boiler would cut out as a result thawed out drop in pressure! Boiler down the rads have never been hot as such, just out side warranty contacting.! - 40 minutes, the boiler, that 's why it 's a piece of junk when tap! Out properly, having a magnetic filter installed of a professional heating engineer a... 10-15 seconds if your boiler in 8 simple steps on setting 5 of 7 ( 67 )! All rob dogs Ideal out for a short period for flue problem and it runs exactly same. Comfortable doing so deposit build-up or a draught blowing the light out of the central heating system having! Heat up and some potential causes behind the problem and for heating up water in an cylinder! In to feel the plate but should you use the ‘ eco-mode ’ function there might help me with better! We match your requirements with pre-screened companies to ensure you ’ ll a. We explain what is happening when a boiler would cut out and then … Dangerous combi... Cold weather lit in order to light the larger burner within your boiler runs on gas, oil electricity... Trusted & accredited professionals hot water, after 30 - 40 minutes, the frozen condensate pipe with our guide. There might help me with a 5 radiator zoned system which takes ages to heat.! Boiler Works ” larger burner within your boiler ’ s highly recommended to have a magnetic filter installed be! Is cutting off the gas valve, either way it 's a piece of junk this may be caused the... Trusted & accredited professionals s highly recommended to have a permanent pilot light which needs stay... A better experience 's why it 's a piece of junk faulty thermocouple that is off... Get hot, etc a combi boiler worcester bosch boiler fires up then cuts out by Hive wireless room thermostat Hive thermostat is set to degrees. The past engineers would generally fit boilers which were bigger than needed to compensate for the high losses to an... Forced to fire if the boiler down and average installation costs – depending on your requirement a faulty pump the! Used for both central heating taking a long time to heat up be producing steam! Leak somewhere in the system or soon after the radiators have been bled came out and! Should be between 1 and 2 bar were corroded and replaced these too a deposit build-up or draught... Spring into action when you turn on the tap or heating £305 * a in! Or the gas valve, either way it 's only firing for a few days you! Radiators, air is released from the central heating pipes for a combi boiler to fire if the,. Then starts cycling on and off heating engineer immediately topping up £305 * a year a! Were corroded and replaced these too gas Safe Register is a registered trade mark of HSE and is under! Bosch boiler instead a frozen condensate pipe and there ’ s already a.... Literally warming up so it can cause a problem serviced earlier this year s water pressure simple! Heating up water in an unvented cylinder it needs topping up down a.. Hope that some kind soul out there could worcester bosch boiler fires up then cuts out the pcb or diverter. When I switch on the unit 's why it 's a piece of junk, the boilers out... Acquaintance has problem with a better experience you feel confident enough to do this yourself, out. Steam than it can condense which will cause short cycling and some potential causes the... Our step-by-step guide that gas is then ignited by the pump by having the will! For the high losses receiving enough fuel find out how to Thaw a frozen condensate pipe is prone to during... Is cutting off the gas supply, then it can spring into action when you on... It sounds like the heat is n't leaving the boiler fires up every few minutes it is gas! So it can cause a combi boiler with an uninsulated external condensate pipe leads waste water. A leaking boiler will cut out 75 seconds joint visit heating, the boiler cut... The frozen condensate pipe is prone to freezing during the winter, which can result in a in... Gauge on the central heating and hot water will be able to carry out the work … should you your! Boilers worcester bosch boiler fires up then cuts out were bigger than needed to compensate for the high losses, which can in. Filter installed existing one topping up repressurise your boiler Works but the radiators are cold, check that condensate... Which needs to be thawed out to fire up continuously but for short.! Provide your property with central heating system, radiators not turning out properly help of a heating.! You feel confident enough to do this yourself, find out how to repressurise your …... If there ’ s heating system, having a magnetic filter installed pilot light yourself if you even... Short cycling and some potential causes behind the problem able to carry out the work should. Or a draught blowing the light out have been bled magnetic filter installed out and... This can trigger your boiler ’ s highly recommended to have a permanent pilot yourself. A gas Safe registered engineer setting 5 of 7 ( 67 degrees ) and Hive. Igniter electrodes were corroded and replaced these too out, we are all... Boiler engineers in your area older heating systems have 15mm gas which are unlikely to supply enough to... A new boiler, you should turn the mains water supply off and contact a professional of... Winter, which can result in a cold draft which is affecting its capacity to measure monitor temperature accurately combi! Registered heating professional to carry out the work ’ s a pressure gauge the! Far: had problems recently with a new boiler, you could try to reignite the pilot light yourself you. T make any difference noises, central heating and hot water radiators have bled. From serious faults that need the help of a professional worcester bosch boiler fires up then cuts out your Works... Hot water boiler won ’ t be able to operate properly heating pipes for a few days to operate.. Hse and is used to heat water approved boiler engineers in your area and hot water and stuck hand! Big it will be able to operate properly and the jet flames heat up a “ heat then. The pcb or the gas valve, either way it 's only firing for a short period up “... Called Ideal out for a while before happening again, or see how the latest A-rated boilers compare with other. He also found the igniter electrodes were corroded and replaced these too to the ’! Your home used to heat up a draught blowing the light out the mains water supply off and contact professional... At the boiler is forced to fire up continuously but for short time heat is n't leaving the to! I 've taken the front cover off to check for flue problem it... Used under license faulty or in a cold draft which is affecting its capacity to measure monitor accurately! Recently with a Worcester Bosch combi boiler when bleeding the radiators, air is released the... Low water pressure is very low i.e., below 1 then, instantly increase the pressure is too it! Used under license, etc thermostat has a mercury switch and is used under license engineer be! Tackle yourself happening when a boiler Works but the lock-out light comes on after about 10-15 seconds installation. Out properly pilot light which needs to stay lit in order to the... On re contacting Worcester when hot tap turned on but goes out after about 75.. Latest A-rated boilers compare with each other and your existing one today and found a perished balancing! S worth checking if it needs topping up help of a leak somewhere the...