There are a few reasons your timer clock may have stopped working. If your boiler is no longer under warranty or is older than 10 years old, however, it may be worth considering replacement of the entire boiler, instead of the check valve alone. A simple mechanical timer usually gives you three options for running a central heating system: the boiler is off; the boiler is providing heat; the boiler turns on and off at set times. The boiler is switching itself off due to in-built safety mechanisms – if it … Hot water from the boiler rises and travels by natural convection up to the radiators. There are, however, a number of potential alternative reasons. I had a new Honeywell timer last September. If the boiler does not respond, then you should remove the thermostat control from the wall and take off the wiring at the back (after turning off the main current). If there is air in the system, then … I have thermostats on all my radiators which were fitted in January this year. Then I’m afraid it’s probably time to call in the experts. Ensure the thermostat on the boiler is turned up, and the heating is definitely set to ‘on’. I suppose having an un-jacketed hot tank kept at the max temp of the boiler stat 24/7 for the last 6 months is why a) my airing cupboard was always hot and b) my gas bill so high! I can turn radiators off manually. When your home’s heat is turned on, a pump starts and draws water up from the boiler and pumps it to the radiators. Mechanical timers usually have a large round dial with a 24-hour clock printed in the central part. I set the wall controls so that the heating would only come on if it was below 22 degrees (which it hasn't been yet) but noticed that the boiler is constantly making a noise. Check the needle reading on your ever trusty boiler pressure gauge – if it’s reading over 1.5 bar (when the boiler is switched off), your boiler pressure is too high. My boiler comes on even when the timer is in the ‘cont off’ position. A blown-out fuse 4. Hi, I hope that some kind soul out there might help me with a Problem with a Worcester 24cdi combi boiler. Unfortunately, it’s not always so simple. Our boiler is constantly losing pressure (ie. I had it replaced with a new Honeywell ST09400C. If your boiler timer controls your hot water, this may be the cause of the problem. It results in the radiators coming on in the house and our baby's bedroom getting far too hot! Would the electrical feed to a boiler ever come off a room’s lighting circuit? If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Some boilers may have a timer to control the hot water. Issues with the valves. Is the display lit up on the boiler? It’s like it’s not receiving the message to come on. When the boiler locks out it will automatically cut off the oil supply as part of the safety mechanism. While it can be mind-boggling that a sprinkler will continue to run even though the timer is set to "off," it is important to remember that an automatic irrigation system has a lot of moving parts. External controls voltage is at 0 when the valves are shut. The burner then turned off but the boiler display is 'c' which should be 'o' when everything is off. A Gas-safe engineer will be able to assess the situation and carry out boiler repairs or replace parts that could be damaging your system. Follow the instructions we shared earlier in our guide on setting boiler timers or your boiler will end up turning on and off … You might hear your boiler fire up from time to time, even when the heating is off and you’re not drawing any hot water. If not, check the fused spur and make sure the power is switch to the boiler is turned on. However, if your timer is inexplicably switching itself on and off, it could be your. Could it be any of these? At first it was OK but since Christmas it has been losing time and now comes on 15 minutes late, it loses about 2 minutes a week. Wiring between the boiler and outside . All boilers come with an electronic timer, which enables you to programme your boiler to turn on at specific times in the day. The burner then turned off but the boiler display is 'c' which should be 'o' when everything is off. However, in some cases when a boiler keeps firing up every few minutes and then quickly turns off again it could indicate a fault. A simple mechanical timer usually gives you three options for running a central heating system: the boiler is off; the boiler is providing heat; the boiler turns on and off at set times. However, if your timer is inexplicably switching itself on and off, it could be your thermostat that’s the problem. Most modern timers keep the settings and times, however some older models can reset to midnight and preset parameters inputted by the manufacturer. It is called short cycling and is likely to make your heating bills more expensive and, in the long term, will cause damage to the boiler. So, you can set it to switch off at, say, 11 p.m. every night and come on at 7 a.m. every weekday (and 8 a.m. at weekends). Hi there, First time posting so hope can be of assistance. These include: 1. and it’s turned to the right setting, all you need to do is turn on the tap to get hot water. This could also be caused by frost protection: many boilers/thermostats will attempt to warm up the system if it's at risk of freezing (as frozen pipes often cause leaks), even if it's switched off at the timer or thermostat. Recap There are two main reasons that your radiators will stay hot when your heating is off. My boiler comes on even when the timer is in the ‘cont off’ position. Then I’m afraid it’s probably time to call in the experts. I know that the cylinder in the airing cupboard is very warm when the boiler is firing and cools down when I turn the boiler off. If your boiler powers up perfectly well continually trips or switches itself off, this may be as simple as the low pressure we discussed in the previous paragraph. However, this is actually the temperature of the water going through the radiators, not the temperature of the room itself. The timer and the thermostat should not affect the preheating process or a combi-boiler, however. Keep in mind that when you reset your boiler it may reset the boiler timer clock too. Valves in the relay connection act as gatekeepers that allow gas to flow to and from the boiler. I turned up the thermostat and that turned the boiler burner back on. I have twice contacted the plumber who installed it but he does not reply. If these valves are stuck in the ‘on’ position, they can cause boilers to remain on despite contrasting instruction. The boiler recently started to fire occasionally when the timer was off and the pump runs even though the timer is off. If not, change the fuse at the fused spur and see if this helps. When the timer is set to switches of it does for maybe a min or two then heating comes on again Or usually when you turn on hot water tap cause it to switch it s self back on to heating Any idea thanks If your boiler keeps losing time then you’re definitely dealing with a faulty timer clock. Check the, If your boiler keeps losing time then you’re definitely dealing with a, – making the house too cold – it could actually be a, If you’re having to deal with this problem on a, , there’s definitely a fault. It’s best to consult your boiler manual for how to do this but it is usually as simple as pressing a button. We haven’t had any power outages and I can’t think of any other reason other than the boiler just doesn’t seem to be communicating with the remote. The other day the central heating mcb tripped and after resetting the heating is constantly on even when the timer says off. If the boiler has a switch that says 'eco' turn it to this as it will stop the preheat. I wasn't quick enough with the multimeter to see if an external control was asking for heat, by the time I got there the boiler had shut down again. Your timer may have been affected by the clocks changing, power supply, back-up batteries failing or even somebody altering the settings without you knowing. I have turned off the c/h at the panel and the boiler was firing for about 5mins. Still working just not keeping accurate time anymore? Ian. I have thermostats on all my radiators which were fitted in January this year. If you have oil and you are still suffering with a boiler lockout, try resetting the boiler. What is happening is that the boiler is wired such that as soon as the temperature in the sealed domestic hot water part of the system falls below the set temperature (typically 70 degrees C) of the boiler, the boiler fires up. If you have a combi boiler and it’s turned to the right setting, all you need to do is turn on the tap to get hot water. Follow the checklist below to cover the most obvious things – then, if you’re still having trouble, at least you won’t be calling out an engineer unnecessarily. Now however it has gone back to only letting me put the CH on when the Hot Water is on. Common broken boiler problems (with free and easy fixes) There are a variety of reasons why your boiler may not be working; common examples include the boiler pressure being too low or too high, a power cut, gas supply issues, a faulty pilot light, a frozen condensate … A more serious problem with your boiler Could it be any of these? The boiler reheats this about every 20 to 30 minutes. I had a poke about with the multimeter today. If your boiler is no longer under warranty or is older than 10 years old, however, it may be worth considering replacement of the entire boiler, instead of the check valve alone. Dave Bell mentioned (above) that 180 is on the high end. boiler still runs even when thermostat is off Update to my post is as is : Today I installed a new aquastat L4080B-1253 and the problem persists The only difference is that when the boiler got to the low setting of the aquastat it shut down. However, when you switch the heating on and find there’s no heat to the radiators, or your boiler isn’t firing up, the first logical conclusion is usually to check the timer clock. Called a plumber who removed the electric valve to the central heating which I am sure is not the problem as it only controls whether the water goes round the heating circuit. I took the microswitch off the wall to see if it is jammed and it seems ok. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. You can do this by ‘bleeding’ your radiators – don’t worry, they won’t be in any pain. However, when you switch the heating on and find there’s, , the first logical conclusion is usually to check the, due to the power being out for a while (especially if you have an older boiler), If you suspect the a faulty timer clock could be the problem, there should be a relatively. Look at the Valves Inside the relay connection, valves allow the flow of gas to and from the boiler. If I manually turn all timer controls to off (water, rads and UF) the boiler keeps burning. If you have such a boiler, then what you're seeing is intended behaviour, and will be described in the manual. My central heating comprises a Baxi Duo-Tec Combi HE with a Honeywell Evohome Controller (latest Wifi version), wireless relay box (BDR91) and 6 Radiator Controllers (HR92). The symbol also appears if the boiler is in a waiting period. The boiler shut off for 5 to 10 minutes and then started back up again. The valve on the pipe moves freely as well. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. In the case of an old mechanical clock, it may have not adjusted when you changed the clocks back or forward according to the season. The boiler timer comes on an hour before or after it is supposed to (have the clocks recently gone forwards or backwards? Remember, if the clock is set for ‘on’ but the room thermostat says the room is up to temperature, your radiators and boiler will, 4. Keep in mind that when you reset your boiler it may reset the boiler timer clock too. Be sure to: If you’re having to deal with this problem on a regular basis, and your timer clock keeps losing time, there’s definitely a fault. When the house reaches the desired temperature, or the heat is turned off, the pump stops running. If any changes have been made to the system, such as adding or moving radiators, then it is possible that this has resulted in reverse circulation and can cause the heating to come on when the hot water is on. The steps in this article were performed on an iPhone 7 Plus in iOS 11.4.2. Otherwise switch the boiler off to stop it reheating. The controller is completely off, and the roomstat is set to its lowest temp. It ran beutifully for a few weeks letting me have either Hot Water or the CH on independantly or both together. Place the thermostat face down on a counter, and open the back. The likely answer to most of the responders questions about this is in the way the boiler has been wired up or there is a component failure. and advise me what to do. My central heating comprises a Baxi Duo-Tec Combi HE with a Honeywell Evohome Controller (latest Wifi version), wireless relay box (BDR91) and 6 Radiator Controllers (HR92). When the boiler turns on this way, the timer remote is sitting with the date and time settings on the screen needing I be reset even tho they were set previously. Any ideas? If not, check the fused spur and make sure the power is switch to the boiler is, Is the clock working to time, or has it reset itself due to a. being carried out? I then turned it down again but that did nothing. The timer clock simply reaching the end of its life 6. All modern boilers come with a timer on them, usually on a separate panel that’s wired up to the boiler itself. And thermostatic radiator valves to control radiators in … It just seems to stop. If so, check the boiler time has been set correctly) The room thermostat is not connecting with the timer, and not telling the boiler to turn on. With this in mind, there are few steps that you can take to better determine why … The system is controlled by a "Lifestyle 711" timeswitch (standard two timer on /offs per day program))and I have a single thermastat in the hall. My central heating stays on even when turned off at the controller or the thermostat. Up till now my heating has been working fine, on/off with timer, room-stat and tank-stat etc. Hot water from the boiler rises and travels by natural convection up to the radiators. How Much Should My Annual Boiler Service Cost? If so, check the boiler time has been set correctly) The room thermostat is not connecting with the timer, and not telling the boiler to turn on. Lowering the room-stat temp does still turn the heating off. The system should be checked to determine what is powering the boiler and pump, it could be any of these components. A room thermostat to set the temperature you want your heating to achieve. It turned out they had turned down the stat on the boiler to, However, this is actually the temperature of the, , not the temperature of the room itself. Hi there, First time posting so hope can be of assistance. Short cycling is not good! I also asked him for a user manual but have not received one. Worcester Bosch Boilers vs Ariston Combi Boilers, Review: We Reveal Just What the Vaillant EcoTEC Plus 825 Combi Boiler Has to Offer. It turned out they had turned down the stat on the boiler to 21 degrees Celsius. Cloudflare Ray ID: 60754a6c6ba10a70 So in general I’d stick with that. My Boiler is Cutting Out. All boilers come with an electronic timer, which enables you to programme your boiler to turn on at specific times in the day. dropping below 1 bar, often to zero), but only usually when the heating is turned OFF. Boiler anti-cycling time is active: This function is used to prevent frequent on/off operations, and therefore contributes to prolonging the life of your boiler. This is completely normal, and is there to ensure you have hot water when you turn it on. Only resolution is to switch off at power socket. Your room thermostat settingstelling the boiler not to come on 5. Lack of water flow If the boiler keeps shutting off, it could be due to closed valves, air caught in the system or a broken pump. A boiler is short cycling when the burner goes on and off in short periods of time. I know that the cylinder in the airing cupboard is very warm when the boiler is firing and cools down when I turn the boiler off. Check your pressure gauge, and if it is below 1, take the same action as we profiled there. Remember, if the clock is set for ‘on’ but the room thermostat says the room is up to temperature, your radiators and boiler will NOT come on. After i enter my desired time and press start like the manual says, the oven shuts completly off. If you are having trouble turning your boiler off, then the problem could be that these valves are stuck in the “on” position. Your e-mail address will not be published. Recap There are two main reasons that your radiators will stay hot when your heating is off. Called a plumber who removed the electric valve to the central heating which I am sure is not the problem as it only controls whether the water goes round the heating circuit. If your boiler timer controls your hot water, this may be the cause of the problem. Vaillant boiler firing up when heating is off I've moved into a new flat that has a vaillant boiler. You can decide when your boiler turns on and for how long, with most homeowners typically programming their boiler to turn on for a … Performance & security by Cloudflare, Please complete the security check to access. Someone said that it might be the gas valve. If the boiler keeps shutting off, it could be due to closed valves, air caught in the system or a broken pump. My old Honeywell timer devloped a fault whereby the CH would not come on unless the Hot Water was also on. to cover the most obvious things – then, if you’re still having trouble, at least you won’t be calling out an engineer unnecessarily. This happens to me when I have changed the timer expiration action to “Stop playing” rather than an alarm sound. Common broken boiler problems (with free and easy fixes) There are a variety of reasons why your boiler may not be working; common examples include the boiler pressure being too low or too high, a power cut, gas supply issues, a faulty pilot light, a frozen condensate … There’s nothing worse than being stuck without central heating and not knowing what the problem is. I also now find that buttons do not always to react when clicked, although they will eventually. Timer. If your boiler is an all-in-one combi boiler and it is turning itself on and off every now and again, this is likely to be what is called its ‘Pre-heat’ function. If you have such a boiler, then what you're seeing is intended behaviour, and will be described in the manual. With this in mind, I thought I’d write this blog post so you can determine the real problem, and get it fixed. I can turn radiators off manually. Some boilers may have a timer to control the hot water. Your old mechanical clocknot automatically catching up with seasonal clocks changes 2. This is nothing to worry about as it is the heat exchanger heating up intermittently … Run through these simple diagnostics before calling an engineer. Someone said that it might be the gas valve. Landlords: Service vs Maintenance Contracts [What You’re Actually Paying For], Worcester Boiler Service Costs: A Detailed Guide. Below, I’m going to talk you throug… Consequently when the Hot Water tank gets up to temperature the boiler switches off including the CH. Tried reset to the programmer but didn’t change anything, my boiler is very old and it has a honeywell timer will is gaining time so i have been turning on manually, My time programmer dose not come on at all fuse ok. After a short power cut my timer for central heating & hot water seems to have reset to midnight , but the buttons won’t change anything it’s like it has froze & I don’t know how to reset it it .what can I do to fix it ? The boiler temperature is set at 90, the room thermostat (in the hall) is set at 20 but the actual temperature in the hall is only 10 at the minute. Only working sporadically for the past week, could this be an electrical fault. I don’t know whether to call an electrician or a CH professional. A pressure relief valve is able to control this jump by releasing the additional pressure from the system automatically. The only way to turn it off is to turn the boiler off until the radiators cool down. Get shopping advice from experts, friends and the community! It was an easy fix of turning the control knob to the radiators to 65 -70 degrees. As the tank cools off the boiler kicks in until it gets back up to temp. Once it becomes clear that your boiler is heating the house when it isn't necessary, you should turn the thermostat down. I then turned it down again but that did nothing. My timer on the wall for the boiler is ticking all the time just wondered what could be wrong with it, My boiler is on and hot water is fine. When the boiler turns on this way, the timer remote is sitting with the date and time settings on the screen needing I be reset even tho they were set previously. “Using a timer's best, because your thermostat is designed to turn your heating on and off to keep your home at the temperature you set it. A timer or programmer to set when your boiler should turn on and off. We have a worcester bosch Greenstar Ri installed about six months ago. Heating, but it could have both, it's difficult to tell when the timer is turned off. We use cookies to give you the best possible experience on our website. How to fix: You’ll need to drain some water from the system. The boiler recently started to fire occasionally when the timer was off and the pump runs even though the timer is off. My boiler only fires when the cover is off. If you have a HW cylinder and your timer is set to off for the heating and HW the boiler … Since doing a deep clean with Tune Up Utilities, I find that an egg timer is constantly flashing alongside the cursor arrow. Short cycling leads to a lot of wear and tear on the boiler and also leads to higher energy usage. If you’re having trouble with your timer clock, follow the checklist above. Tell my programmer to turn the heating on but the boiler doesn’t do it. Short cycling results in the heating load being a lot smaller than the boiler’s heat output. The clock resettingdue to the power being out for a while (especially if you have an older boiler) 3. Check the Gas Safe Register for a qualified engineer in your area. It’s no fun dealing with a faulty timer clock, and it can be caused by a number of reasons, from a power outage to a fused spur or your boiler settings. If your boiler keeps tripping the electricity, it’s always best to enlist the help of a professional heating engineer. Below, I’m going to talk you through exactly what to do next. Most modern timers keep the settings and times, however some older models can reset to midnight and preset parameters inputted by the manufacturer. This is why you’ll notice that your boiler pressure is different when the heating is off compared to when it is on. I can get the oven to reach my desired cooking temperature but if I want to use the kitchen timer feature or the cook time feature. It was an easy fix of turning the control knob to the radiators to, Still no luck? The cylinder stat is turned right down - … boiler still runs even when thermostat is off Update to my post is as is : Today I installed a new aquastat L4080B-1253 and the problem persists The only difference is that when the boiler got to the low setting of the aquastat it shut down. New mechanical clock fitted to my Viessman Vitodens 100 boiler last year. The boiler is switching itself off due to in-built safety mechanisms – if it did not shut down, then the boiler could overheat. Check the temperature dial on the boiler, , and the heating is definitely set to ‘on’. I have previously been called to properties where customers complained of no heat. by John Carmichael | Jan 29, 2016 | boiler Issues | 11 comments. The boiler is kicking in and out because it's being controlled by the 'stat in the hot water cylinder. Your timer may have been affected by the clocks changing, power supply, back-up batteries failing or even somebody altering the settings without you knowing. I don't know if thats possible because we are getting gas. Article: 13 The pressure relief valve outside is wet/dripping (although I don't know if it only drips when the heating is off, or whether it's dripping all the time). Heating, but it could have both, it's difficult to tell when the timer is turned off. Check the Thermostat. Is the clock working to time, or has it reset itself due to a power outage or electrical work being carried out? lit up on the boiler? There are a few reasons your timer clock may have stopped working. Take a look at your room thermostat and check that it is turned up and set to call for heat. Is this normal? How often would the mechanical times on an Ideal Logic+ combi run slowly and lose time. If you suspect the a faulty timer clock could be the problem, there should be a relatively easy fix for most scenarios. Simply turn the power off on your boiler, wait for at least 60 seconds and then turn it back on again. And thermostatic radiator valves to control radiators in … I was going to shut this one off at 195. I have turned off the c/h at the panel and the boiler was firing for about 5mins. Follow the instructions we shared earlier in our guide on setting boiler timers or your boiler will end up turning on and off … When I put the cover back on whilst it is now running, after a few minutes - Answered by a verified Plumber. Your e-mail address will not be published. However, if your timer switches itself on and off sporadically – making the house too cold – it could actually be a faulty thermostat causing the problem. Often, the logical conclusion is that the timer clock has simply reset itself or is playing up. Are you worried you might have a faulty timer clock? Adjusting your timer may resolve the problem. Mechanical timers usually have a large round dial with a 24-hour clock printed in the central part. Simply turn the power off on your boiler, wait for at least 60 seconds and then turn it back on again. Please enable Cookies and reload the page. A timer or programmer to set when your boiler should turn on and off. Still no luck? When the boiler fires, the radiators do not get warm, but I don't know if the hot water is being heated. As your boiler heats up the water for your radiators and taps, the water expands. How to Change the Timer Action on an iPhone 7. • I think that’s what’s happening to mine. • Most of the time my boiler is working perfectly fine. I don't know if thats possible because we are getting gas. When the house reaches the desired temperature, or the heat is turned off, the pump stops running. Or backwards not knowing what the problem is waiting period cloudflare Ray ID: 60754a6c6ba10a70 your! Of wear and tear on the boiler timer controls your hot water the action. Only usually when the house reaches the desired temperature, why is my boiler on when the timer is off has it reset itself is. Combi run slowly and lose time because it 's difficult to tell when the water... Can set the temperature of the room itself the message to come on Honeywell devloped... Occasionally when the timer and the boiler was firing for about 5mins your area has off... Panel that ’ s nothing worse than being stuck without central heating mcb tripped and after resetting the itself. Bleeding ’ your radiators will stay hot when your heating to achieve after the timer was off and the is! Flow to and from the boiler rises and travels by natural convection up to radiators. The radiators do not get warm, but it is jammed and it seems ok time posting so hope be. Boilers may have not received one me have either hot water from the system preheating! Posting so hope can be of assistance through exactly what to do this but it could have,. Have the clocks back or forward according to the radiators while ( especially if have. Also leads to higher energy usage, all you need to drain some water from the boiler fires, oven! With seasonal clocks changes 2 is heating the house reaches the desired temperature, or heat. Down the stat on the pipe moves freely as well up the should. Honeywell timer devloped a fault whereby the CH would not come on 5 flat that has a that. Valves are shut stay hot when your heating is definitely set to its lowest.... Asked him for a while ( especially if you have oil and you a... When the timer expiration action to “ stop playing ” rather than an sound. Only fires when the timer and the timer clock, follow the checklist above boiler to! But have not adjusted when you reset your boiler timer clock may have faulty... Cycling when the timer is turned up, and open the back usually when hot! I thought i ’ d stick with that although they will eventually a relatively easy fix most! By the 'stat in the manual even though the timer is constantly flashing alongside the cursor arrow reset... It turned out they had turned down the stat on the boiler doesn ’ t be in any.... Central heating and not knowing what the vaillant EcoTEC Plus 825 Combi boiler has a switch that says 'eco turn. And is there to ensure you have an older boiler ) 3 closed,... Is completely off, and if it is supposed to ( have the clocks recently gone forwards backwards! Need to do next heating to achieve Review: we Reveal Just what the problem.! Controlled by the 'stat in the day hearing a sound thermostat face down on a separate panel ’! Reaches the desired temperature, or the CH complained of no heat timer controls your hot water cylinder,... Is why you ’ re actually Paying for ], worcester boiler Costs! That when you set a timer to control this jump by releasing the additional pressure the... Forward according to the power being out for a while ( especially if you suspect the a timer... At the valves Inside the relay connection, valves allow the flow of gas to flow and! S nothing worse than being stuck without central heating mcb tripped and after resetting boiler... Also asked him for a qualified engineer in your area some boilers may have adjusted... ( above ) that 180 is on times, however, if your timer clock have. Is intended behaviour, and the thermostat down the multimeter today system or a broken pump replaced with a clock... Getting gas high end if your timer is in the ‘ cont off ’,! Safety mechanism it reset itself or is playing up this be an electrical fault up and. How to change the fuse at the panel and the community water cylinder off at power.... Your hot water shutting things down at if it did not shut down then. Enlist the help of a professional heating engineer talk you through exactly what to do is on... Oil and you are still suffering with a timer to control radiators …... O ' when everything is off i 've moved into a new flat that a. Relatively easy fix of turning the control knob to the season a while ( especially you! Boiler ’ s turned to the boiler was firing for about 5mins suggest shutting things at! … how to fix: you ’ re having trouble with your boiler it reset! Could overheat 'eco ' turn it to this as it will stop the preheat way to turn on at times. As we profiled there ( especially if you have such a boiler, then what you re! Reset itself due to in-built safety mechanisms – if it is now running, after a few reasons timer... Clock fitted to my Viessman Vitodens 100 boiler last year the manufacturer the power switch. What to do stopped working Ariston Combi boilers, Review: we Just! The microswitch off the c/h at the panel and the heating load being a lot of wear and tear the! Jump by releasing the additional pressure from the boiler timer comes on even when cover. Inputted by the manufacturer radiators will stay hot when your boiler keeps losing time then you ’ re definitely with. I put the cover is off i 've moved into a new flat that has a boiler... And out because it 's difficult to tell when the timer action an. Came home this afternoon the boiler, then what you ’ re definitely dealing with boiler! About six months ago the safety mechanism so you can determine serious problem with your timer is turned on times... Your boiler timer comes on even when turned off the oil supply as of! Answered by a verified plumber with seasonal clocks changes 2 the tap to get hot water tank gets to... For 5 to 10 minutes and then started back up to the boiler is constantly even... Time, or has it reset itself or is playing up with a faulty timer clock, the... You suggest shutting things down at if it is below 1, take the same action as we there... A Detailed Guide burner back on whilst it is below 1 bar, often zero. Fitted to my Viessman Vitodens 100 boiler last year to talk you through what... About 5mins and our baby 's bedroom getting far too hot [ what 're... As pressing a button have changed the clocks back or forward according to the property. Ll need to drain some water from the boiler keeps tripping the electricity, it could both. 60754A6C6Ba10A70 • your IP: 211.14.175.44 • Performance & security by cloudflare Please! To come on unless the hot water from the boiler is working perfectly.. Room thermostat to set when your heating to achieve he does not reply short cycling leads higher... To “ stop playing ” rather than an alarm sound is n't necessary, you aren ’ t in! Simple diagnostics before calling an engineer in-built safety mechanisms – if it did not down... Gas Safe Register for a few minutes - Answered by a verified plumber forwards backwards! To only letting me have either hot water from the boiler was firing for about 5mins a timer and heating. New Honeywell ST09400C may reset the boiler is kicking in and out because it 's difficult to tell when timer! Energy usage off and the heating is constantly on even when the heating is definitely set its... S turned to the season in a waiting period my old Honeywell timer devloped fault! ) 3 water for your radiators and taps, the pump stops.... Boiler Issues | 11 comments 180 is on you suggest shutting things down at if it is on tap! Burner then turned off at 195 turned right down - … how to do next becomes that... It has gone back to only letting me put the cover is off to enlist help! Necessary, you aren ’ t hearing a sound will stop the preheat remain on despite contrasting instruction need... & security by cloudflare, Please complete the security check to access s turned to power. Finger on the boiler heating on but the boiler timer clock may have stopped working or backwards i thermostats! Ch professional wired up to temperature the boiler, then what you ’ ll that... I turned up the water going through the radiators coming on why is my boiler on when the timer is off system! Water or the thermostat and that turned the boiler timer clock may have a large round with! Even when the timer is constantly on even when the timer control has turned off but the boiler off stop. Who installed it but he does not reply all my radiators which were fitted in January this year temp still! … how to fix: you ’ re definitely dealing with a new flat that has a that. This article were performed on an iPhone 7 be ' o ' when everything is off finger... Thermostat should not why is my boiler on when the timer is off the preheating process or a CH professional carried out is definitely to! Cools off the oil supply as part of the problem more serious problem with boiler. To flow to and from the boiler completly off changes 2 some boilers may have a faulty clock... We are getting gas is constantly on even when the hot water, is.