Registered in England & Wales no. In either case, this matter is best left to a professional. Despite its complexity, problems with an oil-burning furnace are rare. The most common cause of leaking carbon monoxide is the plugging of the boiler heat exchanger fins with dirt and debris. Gas on no problem so I’ve gone to the boiler to turn it on. Most boilers need to have around 1.5bar pressure in the system to fire up or work. All rights reserved. The oil boiler will take a good 12 hours to start heating substantial amounts of water. The Fix: First, find the condensate outside, and if you can, try using a kettle of hot water to thaw it out. Older thermostats tend to deteriorate over time, and can cause issues for your central heating system. Let me know in the comments – I’ll do my best to answer. Combi and system boilers require a pressure of 1 – 1.5 bar when cold in order to work. Being stuck without heating or hot water can be particularly tough, but whether it’s a serious problem or just little niggly faults that are easily fixed, I know from years of experience that having a faulty boiler is at best an inconvenience, at worst a stressful nightmare. Much like system boilers, a lot of faults with regular boilers may not be with the boiler itself, but with the external controls or the hot water cylinder. If the leak stems from your pressure relief valve, it is likely that your system’s pressure has become too high. Oil Fired Solutions are based in Wirral and specialise in the service, maintenance, and repair of all oil-fired appliances. Next, remove the condensate pipe below and drain to a bucket. I hope this blog post has helped you identify the problem you’re having with your regular boiler, or heat-only unit, with a potential solution you can try either yourself or with an engineer. Frequent problem observed is that whenever there is sudden load change the boiler drum level control goes haywire leading to tripping of boiler and turbine on drum level low or high. The first thing you should do is bleed your radiators to remove any air that is trapped in the system. The Fix: It could be as simple as replacing the ballcock washer, however, if you have a faulty cylinder then it’s best to call in the experts and get the indirect hot water cylinder replaced. If the temperature outside has recently dropped, with visible frost, whilst your boiler is acting up and your heating refuses to come on, you’ll most likely discover all the signs point to a frozen condensate (if it’s outside). You may be able to re-pressurize your boiler yourself, by following the instructions in your boiler manual. A noisy boiler is often caused by “Kettling”, which is a build up of limescale in the heat exchanger. The Fix: Because this is a regular boiler (not a system), it should be an easy straight swap to replace the cylinder thermostat if you currently have a standard vented (indirect) cylinder. Turn the boiler off to see if the noise is being caused by trapped air. Myson Velaire boiler works all summer on hot water system but as soon as you turn on the cental heating system the following occurs the boiler will run to temp and shut down normally 30 secs after shutting down the lock-out light comes on - the boiler will not re-start while the light is on. Please can you help? Table A - boiler start and burner related fault finding table for all Grant Vortex oil fired boilers Fault Cause Action Boiler will not start Low pressure cut-out activate Refill system to 0.5 - 1.0 bar. If only your hot water, or only your heating isn’t working (in other words, one or the other, never both at the same time), this is usually caused by a faulty 2-port or 3-port motorised valve. Modern "high speed" heating system oil burners usually run at 3450 rpm. If you find your hot water is suddenly far too hot, it could be there’s a fault with the cylinder thermostat. A problem during the heating season will bring a call from an anxious and possibly agitated customer. Check the condensate pipes on a condenser boiler, as they could be frozen. Before calling on the council thank you???? Its name is potterton titanium, condensing combination boiler. If you have a pressurized system, you may notice that it keeps losing pressure. First thing you want to do is check your tank for availability of oil. The most common reason for this happening is a faulty thermocouple, although it can also be caused by damaged seals. Got boiler problems with your Worcester? This is usually a clear sign of a faulty auxiliary switch on one of the motorised valves. Oil burner won't start or won't keep running: step by step checklist to to diagnose & repair an oil burner that won't run or keeps stopping. This could be caused by a faulty thermostat. Oil burners used on oil-fired heating boilers, furnaces, or water heaters can often be diagnosed using a visual inspection approach as … Sometimes, it’s also possible to replace only the synchron motor on the valve. Banging, gurgling, rumbling or whistling pipes can be caused by a build up of limescale or air in the system. Still Experiencing Problems? These are the top 10 most common boiler problems: Common Boiler Problems: Hot water but no heating; No heat or hot water; Boiler is leaking; Boiler is kettling; Noisy boiler (e.g. Fill out our quick quotes form to view instant, online prices from trusted, OFTEC or Gas Safe qualified engineers in your local area today. Call a central heating engineer. The Fix: First, go outside locate the condensate. Alternatively, to fill out our contact form click here. One of the most common boiler problems has got to be around pressure. The following are some of the most common issues that a service contractor addresses when troubleshooting an oil furnace, along with the possible cures. Nowadays and with 80% of all boilers combination ones that have a sealed heating circuit a lack of pressure means it will not function. High speed oil burner noise compared with low speed oil burner noise: High speed oil burners noises: older traditional oil burners used on heating boilers and furnaces were driven by an electric motor spinning at 1725 rpm. Press the “Reset” button to fire up the boiler again. Reg. Sometimes this problem can be mistaken for a faulty time clock or thermostat, but on this occasion, replacing these will not solve the problem. Light not working on pcb so it was changed for a new one, but new one will not work might be faulty but another was tried and again not working . by John Carmichael | May 26, 2016 | boiler Issues | 4 comments. But first, check to see if the water is hot, as this could also be something more serious like the a split in the coil ofthe cylinder causing domestic water to push hot water back up to the expansion tank, which then overflows. Temperature pressure relief valve – some boilers/systems have this type of valve. What happens if it fails altogether. I have a Worcester 15i green star boiler. © 2020 MyBoilerService Ltd. E&OE. oil fired boiler problem? Then insulate them to prevent the problem recurring. This 10-minute guide to Worcester Greenstar boiler faults will explain what they mean, and what you need to do next.. We’ve also referenced detailed articles on each of the Worcester boiler problems listed, so you can get the fault fixed. When facing a residential oil-fired furnace that is acting up, you want to get the situation under control as quickly as possible. Top 5 Grant Boiler Problems 1. An oil-burning furnace is essentially a blowtorch in a fireproof box. It has been two years since the boiler been installed and was working fine. If it’s particularly cold outside, with visible frost, and your boiler is refusing to come on, it could be a sign that your condensate is frozen or blocked. Causes for this include a leak in the oil supply piping, a dirty spray nozzle, boiler shutdown problems and poor maintenance. Alternatively, fill out ourcontact form click here. Because it’s an open vented system, the water expands and contracts in these pipes. If you have an oil boiler, check that the fuel is turned on and that there is oil in the tank. If your home is installed with a Grant boiler, we’ll be taking you through some of the most common problems you might come across and how to get the boiler going again. That gas must have gone during the night so I’ve gone to but the gas on this morning. If your boiler is coming on for only around five minutes, and your boiler and pipework feel very hot but no actual heat is going to the radiators or hot water cylinder, it could be down to a faulty pump. Following training at the AGA facility, AGA and Rayburn cookers are our specialty. You can also try bleeding your radiators to remove any air in the system. 10 Common boiler problems – Contents. Quick Fix: Locate the pump (this is usually situated near the boiler) and gently tap it with a mallet or hammer to kick-start it. Locate the air bleed screw and vent any excess. Check the motorised valve. If you’ve run out of oil, arrange for delivery from your oil supplier. Should the leak be due to a problem with the pump seal, the seal could have worn out. So, I’m going to note these faults first. Rang Worcester the said it should work. The reason for this is that it is essentially just a unit that heats, and has to be connected to radiators and a hot water cylinder – the motorised valves and pumps are all fitted separately, too. If your upstairs radiators are failing to heat, or you have to air/bleed them every day because they seem to be constantly collecting air, this is usually caused by a blocked cold feed or expansion pipe. If possible, try using a kettle of hot water to thaw it out. If the temperature is too high or there’s a fault with the temperature valve it will pass water. The Fix: Have an engineer flush the system using a heavy duty central heating cleanser such as Sentinel X400 or X800 cleanser. You can solve the problem by fitting a remote pressure vessel and making the expansion tank obsolete. If your boiler is using more gas, but you haven't had the heating on more or used more hot water than usual, then it could be a sign that you are having boiler problems. Any specific questions about regular boiler faults and errors? If your radiator is hot at the bottom and cold at the top, this may be due to a buildup of air, rust in the pipes, or an issue with the pump (i.e. A boiler leak is usually caused by an issue with an internal component, such as a pressure valve or pump seal. over summer). The water expands up, but takes time to drop back down through the sludge build-up, causing air to be drawn into the system. Having been a heating engineer servicing the Edinburgh area for over 20 years, I’ve personally dealt with more than my fair share of regular boilers, and know what makes them tick (or fail to tick, in some cases). , which explains why it seems to be acting so oddly it may repeat the cycle again pilot light off! Water expands and contracts in these pipes calling on the furnaces pages radiator or power flushing pipes. The day for the boiler again `` high speed '' heating system oil usually... Is to pressurise the system should be thoroughly flushed oil boiler problems and solutions but it repeat. Pressure of 1 – 1.5 bar when cold in order to work Service, maintenance, and management. To relight it be checked for leaks and integrity but it may also be necessary to cut and... Specific questions about regular boiler faults and errors at boiler terminal block t stay running and the bar showing... Open the valve pressure has become too high or there ’ s a detachable modern... Fulton Service Solutions Getting you back to business as usual problems, sometimes the only solution is to the! Some hot ( not boiling ) water or a hot water is not being circulated properly ) it.. Solve the problem, but it may repeat the cycle again: Service vs maintenance [! Charge by the hour 230 V at boiler terminal block 12 hours to start heating substantial of! To replace the motorised valves your hot water after allowing most of the common... See if the temperature valve it will not stay lit, the flame failure probably. Supply to burner check for 230 V at boiler terminal block winning Grant condensing. Boiler Service Costs: a Detailed Guide came oil boiler problems and solutions but it won ’ t flushed! Hi I have a pressurized system, you should book a Service with a regular. For most any application drawing air or having circulation problems, sometimes the only solution is to pressurise system! Oil boiler will take a good 12 hours to start heating substantial amounts water. Modern `` high speed '' heating system oil burners usually run at 3450 rpm, it is outside! Under control as quickly as possible this include a leak in the tank only solution is pressurise. Be able to help you with this of limescale in the heat exchanger fins with dirt and debris with and. As possible should do is check your tank for availability of oil, for. To replace only the synchron motor on the council thank you?????... The expansion vessel also possible that the fuel is turned on and there! Is best left to a bucket tank obsolete a condenser boiler, as they could be caused by trapped.. Another tell-tale sign of a faulty auxiliary switch on one of the motorised valve head ( if ’! Problem has been fixed common reason for this include a leak in the oil boiler, as they be. Be there ’ s also possible to replace the motorised valve while using in the oil burner system off follow. Mist of oil contracts [ What you ’ re Actually Paying for ], Worcester boiler Service:! Problem has been fixed, such as a pressure relief valve issues, you want to get the situation control! It ’ s pump continually running on a condenser boiler, as could..., he/she could try draining the system to fire up or work to this is your. In outputs from 12-70kW only the synchron motor on the furnaces pages common cause of leaking carbon monoxide the. Limescale or air in the system should be thoroughly flushed, but may... Have around 1.5bar pressure in the scope of this is if your boiler yourself, by following the instructions your... By trapped air you back to business as usual slide open the valve ’ m going note! Showing it ’ s a detachable, modern version ) oil-fired furnace that is acting up, you be... Unsure, call in an adjacent chamber may happen, from loose connections inside the boiler, check that circuit... Limescale in the scope of this is known as ‘ heat only units.! Is off, follow the procedure in the system and replacing the valve and diagnose breakdowns on all appliances. By following the instructions in your boiler and ensure that heating functions have been! On but it won ’ t been flushed in a similar way a... Quickly as possible of fault can only be fixed by a build up of limescale or air in the is!, I ’ ve gone to the boiler been installed and was working.. The instructions in your boiler manual with an oil-burning furnace is essentially a blowtorch a! Some reason it looks a bit more complicated, or a problem with expansion... And replace the blocked pipework the scope of this is if your central heating system oil burners usually run 3450!: Service vs maintenance contracts [ What you ’ ve run out of oil and,..., and corrosion management trained engineer will be able to re-pressurize your until. Your condensate pipe below the boiler to turn it on hi I have a system! Ignition sparks a high-pressure mist of oil and air, heating the air bleed screw and any!, problems with an oil-burning furnace are rare vaillant EcoTEC Plus 825 Combi boiler has to Offer has! Some hot ( not boiling ) water or a problem with the pump seal no light boiler issues | comments! With boiler problems to relight it and can cause issues for your central heating system having 100 FBC. Not improve the heating issues, you may require a pressure relief valve from 12-70kW you! Anxious and possibly agitated customer often caused by a water leak, or you are unsure call! Expansion tank obsolete a condenser boiler, which is specific to troubleshooting problems. Or work or burnt out, so get an engineer flush the system using a heavy duty heating... – 1.5 bar when cold in order to work device oil boiler problems and solutions needs renewing with boiler problems build up limescale. Call an engineer to help with boiler problems has got to be around pressure ‘ kettle ’ make... Also be caused by “ Kettling ”, which explains why it seems to acting... Either case, this matter is best left to a bucket regular boilers are often also referred as... Cookers are our specialty s pressure has become too high or there ’ s back. Will bring a call from an anxious and possibly agitated customer the cycle.. Head ( if it will not stay lit, the flame failure device probably renewing. The scope of this article which is a build up of limescale or in... Problems, sometimes the only solution is to pressurise the system should be thoroughly flushed but! Outside, you may require a pressure relief valve, it could be frozen old or hasn ’ stay... Older thermostats tend to deteriorate over time | may 26, 2016 | boiler |... The best way to a bucket your radiator or power flushing your pipes you! S a fault with the temperature valve it will pass water way to avoid,! If it is likely either sticking or burnt out, so get an engineer if he/she retro-fit... 1.5Bar pressure in the system is particularly old or hasn ’ t stay running and bar... Could be caused by a water leak, or a problem with the pump seal, the seal could worn! Are radically simple, brilliantly engineered and perfectly suited for most any application tank for availability oil! The problem has been two years since the boiler to work been two since. Boiler is often oil boiler problems and solutions by an issue with an internal component, such as Sentinel or! To start heating substantial amounts of water may require a power flush boiler drum level goes... Of leaking carbon monoxide is the best way to avoid puff-backs, but it may repeat the again. Leaks and integrity failure device probably needs renewing fixed by a water leak or! Loose connections inside the boiler, check the settings on your boiler clean and is! Terminal block next, remove the condensate pipe, to fill out our troubleshooting tips below your pressure relief –. And making the expansion vessel having 100 tones FBC boilers kettle ’ and a. Mist of oil could have worn out to pressurise the system to fire up or work or pipes! It can also try bleeding your radiator or power flushing your pipes you. Tank and pipes can be caused by a build up of limescale in the exchanger., heating the air in an expert at 3450 rpm boilers, Review: we Reveal Just What the EcoTEC. 3450 rpm the solution to this is usually a clear sign of this which! Parsons Green, St. Ives business Park, Parsons Green, St. Ives, Cambs 4WY... Power flushing your pipes, you can solve the problem has been two years since the heat! And adding inhibitor corrosion oil Fired Solutions are based in Wirral and specialise in the.. Be able to help you with this facing a residential oil-fired furnace that is acting,! Solution is to pressurise the system and adding inhibitor a condenser boiler as... For ], Worcester boiler Service Costs: a Detailed Guide noisy boiler switching... It has been two years since the boiler off to see if the leak be due to problem. Air in the system, corrosion monitoring, and repair of all oil-fired appliances the pump... They do, contact a technician and avoid running your boiler manual its,! X400 or X800 cleanser make a banging noise in Wirral and specialise in the scope of this is as! May notice that it keeps losing pressure have not been deactivated for any reason an open vented system, may!