Baxi boiler turns itself off. Also for: 800 system 2 24, 800 system 2 30.
Baxi boiler turns itself off And if someone turns on a hot tap, the boiler will start too. However, turning off older heating systems for extended periods may cause issues when restarting. As you can see the burner does not stay on but cycles on & off because it seems to me the primary water in the boiler is getting to hot so the PCB is turning the burner off? If you have a combi boiler, you must have noticed that it regularly turns itself on and off, especially during winter. A combi boiler turns itself off anyway for various reasons like when there is no flame present or low water pressure. How do I get this to turn down - I have tried turning the heat dial down but does not seem to have had an effect. I have just came in from work, I turned the heater nearest the boiler off and turned the heating on. A combi boiler fault can cause your heating system to run continuously, leading to energy wastage and potential damage to the boiler. No room thermostat, just an electro mechanical twice a day timer turning the boiler on and off. These codes are designed to help you quickly identify what’s gone wrong. High-efficiency wall-hung condensing gas boiler. The temp on the red neons doesnt get to above 30 degrees 2. Then how do I reset my Baxi boiler? Turn the selector switch to the R (Reset) position to reset the boiler. Over a course of an hour it can come on and off 4-6 times and sometimes if its the start of a program - the first time it comes on is for a short duration and only IF AN ERROR CODE APPEARS YOU WILL NEED TO RESET THE BOILER USING THE TOGGLE SWITCH ON THE LEFT-HAND SIDE OF THE CONTROL PANEL. Jul 2, 2025 · FAQs: Your Burning Questions Answered Will a power cut damage my boiler? A power cut itself won’t damage your boiler, but the sudden loss of power might cause issues when the electricity is restored. We have had the two port valve replaced as this was sticking. View and Download Baxi 35/60 user operating instructions manual online. So something seems to be tripping like an overtemp, but then sorting itself out. Jun 1, 2007 · The boiler goes thro sequence and ignites the after 3 mins turns off, burner goes out will not re ignite. It is important to identify the root cause of the issue and handle it accordingly. The only radiator that gets hot is the one in the Can anyone tell me why my central heating comes on by itself: the radiators get hot and stay hot for around 1-3 minutes then the system turns back off again. I have replaced the ignitor in right hand side of boiler and the lead from circuit board to tip of ignitor. How to alter the central heating temperature How to alter the domestic hot water temperature How to reset Dec 14, 2008 · I realised that the house takes longer to get warm, so sat with the boiler a while, and noticed that the boiler turns off, even though the thermostat is calling. 5 years old. System clogs, faulty thermostats, or improper installation can cause short cycling. Help! Nov 3, 2016 · hi, we have just purchased a new baxi eco advance 28W combi boiler. Don't wait to get it fixed–contact an expert for fast solutions. Our Gas Safe registered engineers explain what it means if your boiler is turning itself on and off frequently – and when you should have it looked at. The only lights lit on the control panel when the boiler comes on are the burner on & power on light. When I switch it on at the control panel the boiler fires up as normal My boiler keeps shutting off before the water reaches temperature after running a few minutes. It is now cycling on and off every couple of minutes just as it done previously. While a brief delay in heating up the water is normal, water that doesn’t May 28, 2025 · Baxi boilers are trusted by homeowners for their performance and reliability. In this guide, we will explain the five most common faults that can occur with a Baxi boiler and explain how you can fix them. Aug 2, 2012 · Hi, I'm having a problem whereby the boiler turns itself off before the temp has reached the setting on the room thermostat. co. Customer: Our water heater keeps shutting itself off and I keep turning it back on. This Video is for "Heat Only Boilers" where you have a large hot water tank If your boiler keeps shutting off, Call Clover Contracting. This is because the water they heat is part of a closed loop that circulates through the radiators and taps. My money would be the boiler and not the thermostat, but you could take the communication wires out of the thermostat and twist them together for awhile to see if your boiler stays on. anyone else have this, and is there any way to stop it apart from turning off the boiler each night? EDUCATIONAL TOOL This Troubleshooting Guide, and the instructions and suggestions within are intended solely as an educational tool assisting completely qualified Gas Appliance Mechanics who have successfully completed the Baxi Installation Certification Program. They can range from ignition problems and sensor faults to low pressure or circulation issues. We had a new pump fitted as the old one died and the boiler kept turning itself off as it was overheating. I've cleaned the heat exchanger and replaced diverter valve and motor and still the same. May 13, 2010 · Hoping someone can help I have a baxi 105e and it keeps firing up on its own even when the selecter is turned to just the hot water setting. If you have a modern, efficient combi-boiler, which provides heating to your home and hot water to your taps and shower, you’ll most likely still need to keep your boiler on all year round. Why does it keep shutting itself off? What can I do to ensure that it stays on? How do I change the degrees to Fahrenheit? How do I set the temperature of the water and turn the hot water on? View and Download Baxi 800 System 2 18 installation and service manual online. Could it be a circuit board problem. Jun 16, 2020 · I have uploaded a video of the boiler to YouTube below showing what happens when you create a hot water demand by turning a tap on. Use of the information herein for the purposes of onsite appliance correction by untrained personnel may cause extremely dangerous Yes even if I turn the thermostat off or even remove the batteries it carries on doing it until I turn the boiler itself off. Does this boiler have an internal thermostat? if so, I guess this could be the reason my room stat isn't reaching the required temperature at first before the Mar 24, 2023 · Boilers use water to generate heat, but if your boiler keeps turning itself on and off before your building warms up, it may have a short cycling problem. Also for: 800 system 2 24, 800 system 2 30. In this comprehensive guide, we will walk you through the step-by-step process of resetting your Baxi boiler. A Gas Safe Engineer will be able to check the fuse spur, replace it if necessary, and re-test your system to ensure nothing underlying causes the fuses to blow again. Remove the boiler cover/panel. Apr 18, 2024 · If your boiler fires up then turns off again it could be a sign of short cycling. Feb 23, 2024 · The boiler then starts to switch itself off and then back on every few minutes - even though the thermostat temperature (21) has not been reached. 800 System 2 18 boiler pdf manual download. This can happen any time throughout the Feb 27, 2023 · Can you turn your combi boiler off at the mains? If so, how? In this guide, we explain all. Oct 8, 2024 · Here is a Step-by-Step Guide to Explain How to Reset a Baxi Boiler. uk Anyway I have moved into a 3-yr old house with a Baxi Combi 105e. Can I use my boiler during a Mar 9, 2011 · Basically the boiler just keeps coming turning itself off and then comes back on for a few minutes then back off and so on The boiler can produce more heat than the radiators can dissipate, it has to regularly shut down. If your Baxi boiler showing any fault code try to reset. When I done all this I turned boiler back on and left Aug 21, 2021 · Boiler keeps turning on and off causes A boiler that keeps turning itself off is a common problem and could be due to several reasons, including an oversized boiler, a faulty thermostat, or a faulty water pump. (Baxi Luna 3 Comfort) I have a bunch of questions. Jun 2, 2025 · A boiler that keeps turning off can be caused by various factors, ranging from minor issues like low water pressure to more serious problems like a faulty heat exchanger. Find out why your Baxi boiler frequently switches on and off or runs dry. The first thing to do when this happens is to check the timer. It will not go to pilot or burner. This is simply because, unlike conventional boilers, combi boilers supply hot water on demand. One common reason for this issue is a faulty thermostat. Whether you're experiencing issues with your he BAXI boilers are highly regarded for their efficiency and reliability, but like any heating system, they occasionally face issues. With a regular boiler, it’s likely that it’s just a simple case of returning to factory settings. That’s because it provides hot water on demand, rather than overnight as with conventional boilers. My baxi duo tec randomly started turning on the heating over the last few weeks. Also for: 60/100. Since having it we find the boiler is turning on and off alot. Nov 16, 2016 · The boiler is a baxi solo 2 PF. This guide My boiler doesn't turn itself off straight away? I have a Baxi Combi 80Eco and recently the boiler has been taking a good 30 seconds to turn itself off after I've finished using hot water. There is a Jan 31, 2023 · Is It Safe To Turn Off Your Boiler? Switching off your boiler at the mains is typically safe and does not pose immediate safety risks. It will turn on for a significant amount of time (hours rather than minutes). Find a fix here. Read on to find out how to reset your boiler, whether it has a dedicated rest button, an ON/OFF/SELECTOR switch or a thermostat control knob. Even when every radiator is set to off (verified through the app) and the hot water off, the boiler is still firing up and pumping. Any ideas why this might be? With the presence sensor switched off you need to press a button or turn the rotary dial to activate the display. Oct 2, 2020 · If there is a problem with your fan and it is not turning, or a problem elsewhere in the system that means your boiler thinks the fan isn’t turning, this will trigger a safety feature in your boilers printed circuit board that will stop your boiler igniting. But then it will fire back up for 5-10 minutes and then go back off again. An oversized boiler causes an issue known as ‘short cycling’, that can cause premature wear and tear, reducing its lifespan. It’s advisable to turn off your boiler during an outage to prevent power surges from damaging its components. Feb 2, 2023 · I will go through all the reasons why your combination boiler is running when it should be OFF. From reducing usage to lowering your energy costs, there are plenty of reasons you may want to turn off your combi boiler at the mains. When both the heating and hot water turn off on the controller the boiler stays on, and keeps firing. For more information on Should I turn off my Boiler in the summer? Is it ok to turn off your Boiler in summer? The short answer is: it depends on your home and your circumstances. But even if you’re only planning to turn the boiler off occasionally, there are some important factors to consider for ensuring safety — your own and your boilers Sep 17, 2025 · Is your boiler making strange noises? Discover what common boiler sounds mean, why they occur, and how to fix them to keep your heating system running smoothly. When you use your hot water, your Baxi combi boiler diverts water from your space heating system to your faucet. Aug 19, 2024 · If you find yourself in a situation where your boiler is not turning off, it can be a frustrating experience. the baxi combi boiler had switched itself off, I have re-set the pilot light and all seemed ok but about an hour later the heating si too hot (all red lights are on constant). May 30, 2025 · Turning off the water supply might cause concern about the boiler, but most boilers are built to function without a direct water supply. Search our directory to find boiler repair services near you. 35/60 boiler pdf manual download. boiler keeps turning itself off? my biasi combi keeps turning itself off, the lock out switch comes on and it has to be fired up again, i noticed the pressure (bar) was to high and rads were making fuuny noise i assumed it must have air in it so i flushed the system through re filled and bled normal staning pressure 1bar it was ok for a while 2 days niw it's started again the boiler is 7 years . May 16, 2024 · Ignition Lockout: What Does it Mean and How to Fix It? - Get Your Boiler To Work and Start Running Again. It is safe to turn your boiler off at the mains as long as there are no other issues with it. Whether you have a combi, system, or heat-only boiler, you may occasionally see Baxi fault codes appear on the boiler’s display. When the thermostat turns off the bolier, under normal operation after reaching temp, he bolier carries on for about a minute before turning off. (No DHW or C/H lights) High efficiency gas fired wall mounted combination boiler Chaudière murale à gaz à rendement élevé May 23, 2006 · Hi chaps, new to this forum which I found from a link on Overclockers. However the issue is that it does this intermittently, it will go for a few days and be OK and then the problem will start again. Nov 5, 2024 · Why won't your boiler turn off? Here we detail some common causes and potential solutions. The main screen of the display will light up for 30 seconds. But even Baxi boilers can go wrong from time to time. TURN THE TOGGLE SWITCH TO THE “R” POSITION (RESET) FOR THREE SECONDS (FIG. Setting the dial to hot water only, doesn't kick in as expected, but as soon as put it to radiators/hotwater the radiator kicks in regardless. The problem is that when the radiators are switched on and the room thermostat is below ambient temp, the boiler will switch on and off all the time May 30, 2025 · Boiler Thermostat Control Knob If your boiler has a boiler thermostat control knob, turn it fully anticlockwise and then turn it back to your desired setting. Find potential fixes here! Oct 18, 2013 · the boiler in our new house turns itself on in the night : ( the timer is turned off, but every hour or so it turns itself on for a few minutes which is deeply irritating and must be wasting gas. If you are looking to find out possible reasons why your boiler keeps shutting down Baxi Bahama 100 boiler turning on/off during hot water use? Fluctuating temperature & annoying issues. Most clocks will reset after a power cut and it can be a simple fix of reprogramming it manually. Feb 19, 2009 · Hi all, Here goes my first post on DIYnot – what a brilliant website – thanks to all its contributors! Our CH/HW system has been in and running reliably for about 8 years – Baxi Solo 3 PF, Siebe Lifestyle LP241 programmer, Drayton MA1 mid-position valve, Grundfoss Selectric pump, Drayton May 30, 2025 · Wondering why your boiler fires up at night? Our guide explains common causes and provides troubleshooting tips to resolve this issue and ensure peaceful nights. Mar 31, 2020 · I have a Baxi boiler in my garage. ON/OFF/SELECTOR Switch If your boiler has an ON/OFF/SELECTOR switch, open the pull down panel and turn the selector switch to R (Reset) and hold for at least 5 seconds before releasing. Besides being uncomfortable, a constantly running boiler can lead to increased fuel bills and wasted energy. Its been doing this for a few weeks now coming on at random times during the day and night. May 30, 2008 · Hello all I've searched the forum for similar but now a bit stuck. Will A Power Cut Affect my Boiler? Yes, a power cut will affect your boiler. The lights that come on then are boiler, fan on. I have a Baxi 130 HE? It keeps turning itself off & we have to turn it off at the wall before it will come back on again and the water is not staying hot - What is wrong with it? Apr 13, 2022 · Essentially, a boiler reset is like rebooting a computer or a phone. This can usually be found on the boiler itself or you may have to find the breaker panel in order to flip the breaker switch to ‘off’. Gas Fired Wall Mounted System Boilers. Mar 23, 2023 · Discover the top 9 causes and effective solutions to fix your boiler that keeps firing up randomly. Dec 4, 2023 · If your boiler won't turn off, it could be a sign of a serious problem. If you have a combi boiler, it will regularly turn itself on and off, especially in the winter. The temperature does slowly creep up to the desired temperature, but if the weather is very cold this can take many hours. Want to save money on your hot water supply and heating? Find out if it is safe to turn your boiler off at the mains and when you should do it. I'm sure there was a time when it would keep going until the termostat temp is reached! We've had a powerflush done, I've balanced the rads and we have had the boiler Feb 4, 2015 · The boiler does not appear to want to turn itself off. There are no TRVs on the rads so the whole system is either heating - or not. I will go through all the reasons why your boiler heating or hot water may be be running when it should be turned OFF. While shutdowns are generally harmless, it’s best to avoid turning boilers off at the mains for long stretches, particularly with older central heating systems Oct 14, 2025 · Boiler not responding to thermostat? Learn common reasons like connectivity issues or faulty settings and follow simple steps to restore heating control. Understand the steps involved and when it's appropriate to switch off your heating system. Dec 4, 2023 · Boiler keeps turning off: Causes and fixes for this common issue that can disrupt your heating system. 3) AND THEN LET GO. This could be a problem with your boiler, it could be your system is gunked up, or it could be your thermostat commanding the heating system to turn on and off. Baxi heating and hot water solutions - Find help and advice, FAQs, how-to guides, customer support contact details and more here Jul 20, 2024 · When a boiler won't turn off, it can cause a lot of stress, especially in the middle of summer when you don't need extra heat. So if the central heating thermostat tells the boiler to start up, it will. And a Sep 10, 2004 · Hi - I wonder if you can help. Oct 18, 2024 · Discover the causes of common Baxi boiler problems and how to fix them. There are a variety of reasons why your boiler may be shutting off. It’s essential to check these In this edition of Training Tuesday, Baxi trainer Rachel discusses how to use and the importance of using the deaeration function on the Baxi 800/600 Combi 2 boiler range. A short cycling boiler can lead to higher bills & faults. Ensure your gas control knob is turned to ‘ off’. For more boiler FAQs, help and ad Oct 3, 2022 · Does your boiler keep turning off and on? Run through some of these simple diagnostic checks before you call an engineer in our quick and easy help guide. Understanding the fault codes displayed on your BAXI boiler can help you diagnose and, in some cases, resolve issues quickly, saving both time and money. I turned it down to like 5 and still stayed on, turned the dial to reset, also left off for 5 mins. Mar 10, 2012 · The boiler fires up by itself randomly several times a day for around 15 mins then switches off again. 2. This problem doesn’t Oct 29, 2025 · If your boiler's fused spur has blown, which can happen due to age or a power surge it will result in no power to your boiler. Oct 22, 2020 · Baxi boilers are among the most popular in the UK thanks to their competitive prices and reputation for reliability. Combi boilers provide heat to your central heating unit as well as your domestic hot water using a diverter valve. The boiler ran for around 15 mins then cut off for about a minute. From incorrect thermostat settings to poor insulation and faulty parts, all of these issues can cause the boiler to turn off unexpectedly. Why does my boiler keeps turning off itself off. then i have to wait a When troubleshooting, you may find that your Baxi boiler needs to be reset. I have a Baxi Bermuda Inset2 Boiler - about 3. A detailed guide describing possible faults, their causes and troubleshooting methods, including recommendations for starting with low water pressure. However, you might have to take a little more care with some modern boilers and smart Oct 4, 2009 · We're having problems with our Baxi boiler. Nov 7, 2025 · Does your boiler keep turning off and you're wondering why? Let's find out and how you can fix it. In this self help guide we show you what to do. A short video explaining how to operate the main eco compact 30 combi boiler made by baxi. Now the heating turns itself on at random times during the day and night, with a lot of banging noises. Over the past couple of weeks I've noticed that my Central Heating is switching off before reaching the required temperature. May 30, 2025 · If your boiler has an automatic pilot light, follow the instructions below: Turn off your boiler at its electrical switch. Most Baxi boilers come with a simple reset button on the front panel; locate it and press and hold it for 1 to 3 seconds, or until the boiler has rebooted itself. Does your boiler keep turning itself off and you aren't sure what to do about it? This short video may help you to solve the problem!If you need any more ass Experiencing your boiler running even when the timer is off? Discover common causes like valve issues, thermostat malfunctions, and wiring problems. Nov 29, 2015 · I have a Main boiler ( installation paperwork states Baxi Potterton solo 15HE ) however it looks similar bar the logo on the front. A malfunctioning programmer or control panel could also be to blame. When you turn off your hot water, the valve switches back to divert heat to your radiators. […] Feb 12, 2006 · We have a baxi 800 gas boiler and Drayton wiser smart system, with their smart TRVs on every radiator. This even happens with the timer and thermostat disconnected and in C/H or DHW mode. I will cover boiler setting that may be the reason, heating controls which may be the reason. Most electronic devices benefit from a reset every now and again, as rogue bits of code sometimes creep into the system and cause crashes. No other noise whilst it operates other than the usual burner noise and occasional water noise, just this clunk each time the burners Customer: My boiler keeps shutting down and then goes into ignition lockout. Feb 20, 2007 · Hi, we have a Baxi back boiler, and noticed recently that whenever the boiler turns off you get a single clunking noise a second after the gas has turned off. Apr 14, 2025 · Learn how to safely turn off your boiler. Usually, it will turn off as the power cut turns off all electricity. If your radiators have TRVs and any are cold, the TRVs may be stuck. vdozzeqzqzfcsuxewuwgzmqzfcoewhepkzkpwxghfjpijedygvufqbmggavemrwwydbdoks