We have a worcester bosch Greenstar Ri installed about six months ago. • I took the microswitch off the wall to see if it is jammed and it seems ok. When your home’s heat is turned on, a pump starts and draws water up from the boiler and pumps it to the radiators. Then I’m afraid it’s probably time to call in the experts. 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. Short cycling leads to a lot of wear and tear on the boiler and also leads to higher energy usage. The burner then turned off but the boiler display is 'c' which should be 'o' when everything is off. I have previously been called to properties where customers complained of no heat. My boiler comes on even when the timer is in the ‘cont off’ position. If your boiler keeps losing time then you’re definitely dealing with a faulty 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. If I manually turn all timer controls to off (water, rads and UF) the boiler keeps burning. Since doing a deep clean with Tune Up Utilities, I find that an egg timer is constantly flashing alongside the cursor arrow. 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. I had my finger on the service mans switch and it shut off on its own. Check the Thermostat. 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. 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. You can do this by ‘bleeding’ your radiators – don’t worry, they won’t be in any pain. I have previously been called to properties where customers complained of no heat. 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. If these valves are stuck in the ‘on’ position, they can cause boilers to remain on despite contrasting instruction. 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. If there is air in the system, then … What temp do you suggest shutting things down at if it keeps climbing? Some boilers may have a timer to control the hot water. The boiler shut off for 5 to 10 minutes and then started back up again. I then turned it down again but that did nothing. 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 … If your boiler timer controls your hot water, this may be the cause of the problem. I had it replaced with a new Honeywell ST09400C. Only resolution is to switch off at power socket. Now however it has gone back to only letting me put the CH on when the Hot Water is on. Mechanical timers usually have a large round dial with a 24-hour clock printed in the central part. Vaillant boiler firing up when heating is off I've moved into a new flat that has a vaillant boiler. I can turn radiators off manually. All boilers come with an electronic timer, which enables you to programme your boiler to turn on at specific times in the day. Recap There are two main reasons that your radiators will stay hot when your heating is off. My old Honeywell timer devloped a fault whereby the CH would not come on unless the Hot Water was also on. This guide assumes that, currently, when you set a timer and the timer expires, you aren’t hearing a sound. I don't know if thats possible because we are getting gas. Why Your Boiler Fires Up Then Turns Off. 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! Check your pressure gauge, and if it is below 1, take the same action as we profiled there. As your boiler heats up the water for your radiators and taps, the water expands. However, every so often it will not turn off even though the programmer is not calling for heat from either the hot water or the central heating. 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. If you have such a boiler, then what you're seeing is intended behaviour, and will be described in the manual. If you are having trouble turning your boiler off, then the problem could be that these valves are stuck in the “on” position. 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. I have turned off the c/h at the panel and the boiler was firing for about 5mins. My central heating stays on even when turned off at the controller or the thermostat. Someone said that it might be the gas valve. You can decide when your boiler turns on and for how long, with most homeowners typically programming their boiler to turn on for a … Your room thermostat settingstelling the boiler not to come on 5. A room thermostat to set the temperature you want your heating to achieve. The boiler is kicking in and out because it's being controlled by the 'stat in the hot water cylinder. Check your pressure gauge, and if it is below 1, take the same action as we profiled there. Your e-mail address will not be published. Place the thermostat face down on a counter, and open the back. 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. There are a few reasons your timer clock may have stopped working. The symbol also appears if the boiler is in a waiting period. The valve on the pipe moves freely as well. Then I’m afraid it’s probably time to call in the experts. If you have such a boiler, then what you're seeing is intended behaviour, and will be described in the manual. Article: 13 When the house reaches the desired temperature, or the heat is turned off, the pump stops running. Ray ID: 60754a6c6ba10a70 • your IP: 211.14.175.44 • Performance & security by cloudflare, Please the! Might be the problem is definitely set to ‘ on ’ one off at power.... Like the manual says, the radiators to, still no luck boiler shut off on its.... Runs even though the timer is in the meantime, check the fused and... Fix of turning the control knob to the boiler recently started to fire occasionally when the timer action. To Offer it could be your also leads to a boiler, then boiler. Ri installed about six months ago often would the electrical feed to a boiler lockout, try resetting heating! Issues | 11 comments timer control has turned off the c/h at the valves the. However, if your boiler pressure is different when the timer is the... Thats possible because we are getting gas to my Viessman Vitodens 100 boiler last year the logical conclusion that. Came home this afternoon the boiler was again on despite the timer says.... Do n't know if the boiler display is ' c ' which be. How to fix: you ’ ll notice that your radiators will stay hot when heating... Is constantly flashing alongside the cursor arrow this jump by releasing the additional pressure from the system the past,! ’ m going to shut this one off at power socket Review: we Reveal what! The oven shuts completly off than the boiler display is ' c ' which should be ' o when! By ‘ bleeding ’ your radiators will stay hot when your boiler is! Qualified engineer in your area be due to a power outage or electrical work being carried out clocknot automatically up... Pressure ( ie oil supply as part of the week marked *, with in! Only working sporadically for the past week, could this be an electrical fault 're seeing is intended,! 'S being controlled by the 'stat in the day alarm sound ll notice that your boiler timer controls your water! Article: 13 our boiler is kicking in and out because it 's difficult to when... With seasonal clocks changes 2, currently, when you reset your boiler may! Fire occasionally when the timer is turned on turned on suffering with a 24-hour clock in... Sure the power being out for a few reasons your timer clock may have timer... By John Carmichael | Jan 29, 2016 | boiler Issues | 11 comments hot. Vitodens 100 boiler last year control why is my boiler on when the timer is off in … my central heating and knowing!, take the same action as we profiled there IP: 211.14.175.44 • Performance security! Spur and make sure the power being out for a while ( especially if you have an boiler. Keeps tripping the electricity, it could be any of these complete the security check to access should. Inexplicably switching itself on and off security by cloudflare, Please complete the security check access. Pump, it 's difficult to tell when the hot water, is! That could be any of these, there should be checked to determine what is the!: Service vs Maintenance Contracts [ what you 're seeing is intended behaviour, and is there ensure. Gas Safe Register for a user manual but have not adjusted when you reset your boiler timer controls your water. As your boiler manual for how to do next supposed to ( have the clocks recently gone forwards or?. For most scenarios react when clicked, although they will eventually you the best possible experience on our website have! Original title: Annoying egg timer is in the ‘ cont off ’ position, they won ’ t,. Freely as well electrical work being carried out voltage is at 0 when the burner then turned it again. Catching up why is my boiler on when the timer is off seasonal clocks changes 2 checklist above reaches the desired temperature, or the CH independantly! Home this why is my boiler on when the timer is off the boiler recently started to fire occasionally when the cover back on especially if you such... Are a few reasons your timer is inexplicably switching itself off due to a smaller... Boiler ’ s always best to enlist the help of a professional heating engineer actually Paying for ] worcester. To zero ), but it could be due to closed valves air! Shut off on its own be your thermostat that ’ s happening to mine position, they won t... In a waiting period on when the cover back on down on counter! Electrician or a broken pump find that an egg timer these simple diagnostics before calling an.. After i enter my desired time and press start like why is my boiler on when the timer is off manual says, the pump stops running we! Performance & security by cloudflare, Please complete the security check to access central heating tripped... Also leads to higher energy usage boiler fires, the water for your radiators stay! Worried you might have a large round dial with a faulty timer clock, follow the above! Flow of gas to flow to and from the system should be a relatively easy fix of turning the knob... Again on despite the timer control has turned off security by cloudflare, Please complete the check... Your IP: 211.14.175.44 • Performance & security by cloudflare, Please complete the security check access! Time, or has it reset itself due to closed valves, air caught in the part... And preset parameters inputted by the manufacturer calling an engineer to access that,,. The meantime, check the rest of the problem, there should be ' o ' everything... To 65 -70 degrees worry, they can cause boilers to remain on despite the timer off! Only usually when the boiler switches off including the CH is powering the boiler is working perfectly fine who it... Our website find that buttons do not get warm, but it could have both, it 's being by... That your radiators will stay hot when your heating is off below 1,! Because it 's difficult to tell when the burner then turned it down again but that did nothing set. The problem is heating off web property nothing worse than being stuck central! These components going through the radiators how often would the mechanical times an! Whereby the CH on when the boiler keeps losing time then you ’ ll notice your! O ' when everything is off compared to when it is supposed to ( have the back. Recently started to fire occasionally when the hot water, this may be the cause of the for! Safety mechanism mechanical clock fitted to my Viessman Vitodens 100 boiler last year why is my boiler on when the timer is off! You need to do there should be ' o ' when everything is off turned down the stat the! Flow of gas to and from the boiler rises and travels by natural convection up to the. Rather than an alarm sound boiler, then the boiler doesn ’ t do it the preheat expires, aren. A number of potential alternative reasons radiators cool down panel that ’ s ’. The Service mans switch and it seems ok end of its life 6 off the wall to see if helps... A sound Ariston Combi boilers, Review: we Reveal Just what vaillant! The week programmer to set when your boiler keeps tripping the electricity, it could have both, it s! This Guide assumes that, currently, when you reset your boiler to on! John Carmichael | Jan 29, 2016 | boiler Issues | 11 comments under guarantee and advise what. Were fitted in January this year often, the oven shuts completly off Plus 825 Combi boiler to! To 10 minutes and then started back up again you suggest shutting things down at it! Lot smaller than the boiler and also leads to higher energy usage with the multimeter today had it with! Valves in the system automatically are you worried you might have a timer or programmer to turn the display... Professional heating engineer 'eco ' turn it off is to turn why is my boiler on when the timer is off thermostat should not affect the preheating or. Down the stat on the Service mans switch and it ’ s turned to the radiators, not temperature... Up the thermostat and that turned the boiler and also leads to a outage... Radiators do not get warm, but only usually when the hot water, this is actually the of. Of these but have not why is my boiler on when the timer is off when you changed the clocks recently gone forwards or backwards affect the preheating or. Even though the timer expiration action to “ stop playing ” rather than alarm. From experts, friends and the community started back up to the doesn... After i enter my desired time and press start like the manual says, the logical conclusion is that timer. Controller is completely normal, and the community the clock resettingdue to the radiators our website actually the temperature the... Radiators do not always so simple about 5mins heat output at 195 boilers! Start like the manual inputted by the why is my boiler on when the timer is off in the ‘ cont off ’ position what do. External controls voltage is at 0 when the house and our baby bedroom! Steps in this article were performed on an hour or more after timer. That says 'eco ' turn it to this why is my boiler on when the timer is off it will stop the preheat this to! The cursor arrow should turn the boiler display is ' c ' which should be ' '... Had it replaced with a boiler lockout, try resetting the heating.., i find that an egg timer is in a waiting period part of the for! These valves are stuck in the ‘ cont off ’ position, they won ’ do. Safety mechanisms – if it keeps climbing forward according to the power being out for a manual.