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? 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. Thread starter Similar threads Forum Replies Date; H: Worcester Bosch Heatslave 26/32 Hot Water Problems: Oil and Solid Fuel … Be sure to download the right one with respect to date of installation (check GC number). I 'topped up' the pressure to 1.5 bar when cold and it was nearer 1.8 bar when the system was quite hot. See if you can disconnect it at the boiler and blow down it. It will reset but then shut down again. So it would appear there is a link with the heat of the thing. 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. If the pressure is lower than this, the boiler won’t work and you won’t have any hot water or central heating. Powered by Invision Community. £2 for new seal and was fine from there on. 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'!!!! The worst-case scenario for a boiler that cuts out is a faulty pump. You may like to keep this guide somewhere handy. Ask The Vet & Plumbing and Heating Forums: Worcester Bosch Boiler Keeps Shutting Down. 0. A leaking boiler will usually be due to blown pump seals. I 'think' I noticed a slight/marginal drop in water pressure when the shower problem began. To the point I … Terms of UseWe have placed cookies on your device to help make this website better. 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. Will this be conclusive? Has anyone had this problem? Sometimes called a ‘mid-position valve’ due to the mechanism of diverting hot water from the boiler to either the radiators or the hot water cylinder or both; Gas Valve – Zero Governor, Automatic, Intermittent or Permanent Pilot. It settles at 1 bar but it'd gone up and was moving around maybe 1.3-1.5 bar. Could this pinpoint the fault any better? – Check for condition and resistance of leads. its either ignition lockout, flue overheat or heat exchanger overheat. it should be on the sticker behind the flap. 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 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? If this is the case, you’ll need the help of a … This in turn was shorting the 2 connections to the sensor on the pipework to the exchange. (can't be sure where it was when it shut down but suspect under 3.0bar). The Fix: The air pressure switch and tubes need to be replaced. 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. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. **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). By Worcester Bosch Boiler Keeps Shutting 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. its either low gas pressure, faulty gas valve, co2 level wrong, blocked flue, blocked condense pipe, ignition leads faulty or faulty PCB. WB came out today and found a perished flue balancing hose. 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. The instructions I have for that boiler with those light flashes say; Ignition electrodes / harness / connections. Worcester Bosch Group will introduce you to a Worcester Accredited Installer who is authorised and regulated by the Finance Conduct Authority who will broker the finance agreement. it is interesting that the subject of a possible obstructed heat exchanger keeps being mentioned. If cancelled within 14 days, alternative payment of full outstanding balance must be made. Sign in to follow this . 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. 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. How old is it? Potential risks of an overheating boiler. is the blue light slow flash normally on, then flashes off, or normally off then flashes on? As soon as those bubbles drift away from the heat exchanger into cooler water, they burst—creating that persistent banging/popping noise you hear. Latest News expand. The water came out warm, then got a bit warmer. if you haven't got them, they can be downloaded from the Worcester site. 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. It can also restart by itself - but only sometimes. It sounds like it will need a thorough checking, eg with multi meter and possibly a flue gas analyser. Thanks again for all your help. Joined: 29 Sep 2003 Posts: 5,580 Location: Newcastle upon Tyne. If there is air in your central heating system, then your boiler may shut down. Worcester Bosch boilers are extremely popular, and keeping them running at their most efficient is a vital part of owning a boiler. off off off on off off off on..or is the light mainly on, then goes out briefly? The easiest thing to check is that the  plastic condensate pipe is not blocked, it could be frozen outside,. Or a faulty thermistor. This is normally due to a failed part, such as the pump, or a blockage in the system. Or a dodgy PCB. He also found the igniter electrodes were corroded and replaced these too. It can happen every ten minutes or can stay on for hours. Soldato. 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. once reset while still hot it will fault again very quickly. © Bosch Thermotechnology Ltd. 2020, all rights Boiler fires when Hot tap turned on but goes out after about 10-15 seconds. Link to post Share on other sites. 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. Could be the pump. Calorifier – Cylinder and Coil or Plate. ok so where should I start (preferably with the easiest) gas coils with my multimeter? As above, could be a few things. Difficult to say from here, and sometimes when engineers turn up the boiler works perfectly. Turned out to be a perished seal on main heat exchange which caused a drip when system was 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. 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. Hot water has stopped working. Turned out to be a perished seal on main heat exchange which caused a drip when system was hot. You will need to check: Plumbing questions, answers, tips and tricks. 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. I have a Worcester 240 RSF combination boiler, Had it installed in 1993. A blocked or frozen water pipe will stop the flow of water to your boiler and can cause it to turn off. It's easy! Find out what replacement you need along with costs (takes 60 seconds). This is why the question of how to drain them is so important. Worcester Boiler Problems: Troubleshooting Guide Share: 0 0. Need to know the cost of a new boiler, quick? Read on to find out how to carry out some simple checks before learning how to reset a Worcester Greenstar boiler: Simple Troubleshooting Steps. Our troubleshooting tool is designed to help you identify an issue with you boiler. 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 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. As soon as they are gone with call-out charge in their pockets, they stop working again. Warm your home with Worcester Bosch, the only boiler brand to be recommended by Which? If the boiler fires up every few minutes it is using gas but not heating your home. 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've noticed a few times over the last week in the shower that the hot water temperature seems to slowly and gradually decrease. TEF Solutions Ltd Worcester boiler … However, boilers may start giving trouble as they age. A programmer allows you to set different times, and temperature for heating and hot water. Read our policy. Show only OP | 31 May 2015 at 14:51 #1. mrochester. Thanks so much for your help with this one guys. A boiler timer is a device that allows you to set times for your central heating. hot water cuts out on Worcester 24cdi(tank fed)? Here’s everything you need to know about Worcester Bosch boiler controls. 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