boiler still runs even when thermostat is off Thanks for posting. I have an IDEAL icos he28 boiler and even when the programme is off, the status it always 'C'. Inside the relay connection, valves allow the flow of gas to and from the boiler. 11 posts. Heating engineers are classed as key workers and are providing quotes as long as no one in your household has Coronavirus symptoms and social distancing guidelines are followed. However it just completely ignores this and stays on all the time! Your room thermostat settingstelling the boiler not to come on 5. Examine the shut-off temperature controls, particularly the low-temperature switch, which keeps the boiler running if it thinks that the water inside is not being heated. Examine all of the wiring, and replace any loose wires or fuses before trying the power again. At times you might have found yourself questioning as to why my boiler stays on when timer is off. 1) Malfunctioning Check Valve. UPDATE: thank you for the 2 answers however I've checked and comfort mode is off but the boiler still fires up constantly when no water is running and the heating 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. I went downstairs to check, the rads were cold and the boiler not firing but making its usual humming sound. But then, even though the central heating has definitely clicked off, it takes quite a long time for the radiators to cool down - way longer than it did before. Please help!! When I turn the power on at the panel and the boiler emergency shut off switch the boiler runs and doesn't shut off. I have an older system with both pump for h … read more I got it to stop by taking the panel off the boiler and turning the temperature dial down on the inside of the boiler. It seems to come on at random. I have a combi boiler + it keeps firing up when the heating + water are off. Need to mend your Potterton home heating system? Once it becomes clear that your boiler is heating the house when it isn't necessary, you should turn the thermostat down. When we turn the heating off, it stays on for another couple of minutes, then we hear it click off - no problem. repairs can be dangerous. Both thermostats are turned off. A while after the timer goes off, the boiler boots up again. ), (Enter your name as you wish it to be displayed.). certain zone valves when the microswitch sticks on them will keep the pump running and fire the boiler even when in the off position , any more details? Mechanical boiler timers explained. However it just completely ignores this and stays on all the time! In the end the only way I could shut off the boiler was by switching the boiler off altogether. Advance – This moves the timer to the next ‘on’ or … This can cause problems with overheating the house, not to mention the cost of constantly having the boiler running. Both thermostats are turned off. Had same problem with Weil McClain boiler which has a 3-way valve with an actuator. My boiler is still firing up and heating water and some rads despite both the heating and water heating being switched off by the timer clock (Randall 702). problems contact webmaster@doityourself.com. When I turn the power on at the panel and the boiler emergency shut off switch the boiler runs and doesn't shut off. I also have a switch on the return to the boiler which I guess is an overheat switch set a 60. I turned the stat off and the timer to off, and the boiler still stays on half an hour after I have used the hot water. +1hr/Boost – Your heating will come on for a boost of warmth lasting one hour. The pumps on the Greenstar CDi range have a permanent live feed to them. Thanks for all your suggestions. Any ideas why its doing this?? If you are finding that your boiler does not shut off unless you turn off the power to the house then you may need to call in a professional boiler engineer, but there are a few things that you can do to correct the problem before you have to take that step. If the stat wasn't turning off the heating (or boiler) it (as i'm sure you will know) is being fed from the microswitch on a valve. If your boiler keeps losing time then you’re definitely dealing with a faulty timer clock. To prevent … 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. I don't know if this will help or not. Gas boiler (combi) switches off before reaching the temperature set on thermostat. Turning a timer off is easy. Turn off the power again, and remove this from the wall. Depending on what type of heating system you have, the radiator can stay hot for different reasons. A more serious problem with your boiler Could it be any of these? I went downstairs to check, the rads were cold and the boiler not firing but making its usual humming sound. Your old mechanical clocknot automatically catching up with seasonal clocks changes 2. 1995-2018 MH Sub I, LLC dba Internet Brands. Also at the same time it clicked and became lose, the noise in my airing cupboard went. The only way to stop it is to turn the actual boiler to 'heating off'. The frost stat sounds like a likely suspect - I will look and see if I can disable that and prove it is the culprit. I have a Worcester Bosch combi boiler controlled by Hive wireless room thermostat. Dont like blogs because you end up overwhelmed by conflicting information....... however, last night my house turned into a sauna.... Spot on regards dodgy micro switch in valve, one tap and pump stopped. Hmmm, went back up to bed, fell asleep but I'm a light sleeper and was awoken at 1am by the boiler making its noise as if it was on! It has been doing it constantly day + night for the past couple of days. I thought the problem was the programmer / timer at first but as said above the boiler would fire even with the timer set to off. My model no. 1 to 10 of 10. buildersmate. Why is the pump running constantly on a Greenstar CDi boiler? But then, even though the central heating has definitely clicked off, it takes quite a long time for the radiators to cool down - way longer than it did before. If, upon examination, the valves seem to be stuck, you should call in a professional to remove the system and fix the problem. ljs_85. This just happened all of a sudden. Website operating Really appreciated your advice.PaulineOct 2020. If the two devices don't match, try removing the control switch, and then retesting your boiler. The heating valve remains loose now and the hot water valve is as before. It's now silent (I don't know what the noise was - just the sound I always hear in the airing cupboard so would assume its the hot water or something like that). Attempting Recap There are two main reasons that your radiators will stay hot when your heating is off. Mechanical boiler timers explained. All information is provided "AS IS." Got an Eco option button on the boiler? If you are having trouble turning your boiler off, then the problem could be that these valves are stuck in the “on” position. but will stay on when the heating is on .when it cuts off a letter d appears.what could be the fault. Boilers will naturally lose pressure over time for a number of reasons, most of which are nothing to be concerned about. Hi all, Please someone guide me! Questions of a Do It Yourself nature should be Older types of heating systems use a boiler that keeps water hot all the time. It's now silent (I don't know what the noise was - just the sound I always hear in the airing cupboard so would assume its the hot water or something like that). You may find a blown fuse, loose wires, or other obvious faults that can be repaired. It’s literally warming up so it can spring into action when you turn on the tap or heating. I checked this while motorised valve was still assembled and found that the power was flowing as soon as the main switch was put on. At times you might have found yourself questioning as to why my boiler stays on when timer is off. Why is the pump running constantly on a Greenstar CDi boiler? 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. I know from the manual that when the LED is on the boiler is working and when it's flashing the required temp has been achieved so it turns off. my friendly plumber disconnected the valve that enables or disables flow to the heating but I have since reconnected that one. Customer: replied 7 years ago. heatingforce says: March 5, 2018 at 11:24 am. 11 posts. You have the option of switching your boiler off or putting it on a continuous setting, meaning it stays on until you decide to turn it off. heatingforce says: March 5, 2018 at 11:24 am. boiler still runs even when thermostat is off Thanks for posting. Ensure you have read our Small I recently purchased a new home. Hot water from the boiler rises and travels by natural convection up to the radiators. jryan123. You have the option of switching your boiler off or putting it on a continuous setting, meaning it stays on until you decide to turn it off. When it's off the LED flashes and then when it fires up the LED stays on. When it's off the LED flashes and then when it fires up the LED stays on. Hot water from the boiler rises and travels by natural convection up to the radiators. Place the thermostat face down on a counter, and open the back. It fires up, stays on for a few mins, goes off for a few mins + then does it again. Including this, there are a number of other problems that can arise with the timer to leave you scratching your head. to this site, and use it for non-commercial use subject to our terms of use. The timer and the thermostat should not affect the preheating process or a combi-boiler, however. 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. If the thermostat is calling for heat the boiler should ideally be firing constantly until the house is up to temperature.. That depends on the design of the boiler. Update: have tried the on off button at the mains. Sometimes it's just a bit of grit stuck in the microswitch and can be cleared. Thanks. I burnt out the ignitor and just replaced it. Other users of howtomendit.com provide the answers. This is completely normal, and is there to ensure you have hot water when you turn it on. But it is not. I had a plumber change my timer, which still didn't solve the problem. That depends on the design of the boiler. While each of these are much easier to fix. Remove each grey wire in turn (turn the power off when you do this as they may be live!). If your boiler's not working, and it's simply low on pressure, you'll be back up and running in no time. Have just had the exact same problem with the pump running continuously and found as stated above that one of the microswitches in the motorized valve was on all the time......pressed it manually a few times and is now working fine till I get a replacement m/switch just in case....thanks to whoever posted that reply it's saved me a call out. These include: 1. I don't have the eco button on. submitted to our "DoItYourself.com Community Forums". suggestions. A Boiler Question Tukisk/English plumbing. DoItYourself.com®, founded in 1995, is the leading independent 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. (Add your answer here. Place the thermostat face down on a counter, and open the back. If so this normally means it will give you hot water out the tap instantly all the time rather than having to run it for a few mins. Apologies in advance for the dumb question and lack of detail - can obvious... Troubleshooting two-wire thermostat system. Print page before using information supplied via this website. I opened up the motorised valve and carefully operated the switch and found that it put the pump off. Turned it off at the wall and unsure what is wrong( costly?!) In many instances work should only be undertaken by a qualified Circulator continues to run because the valve piston (stuck down) cannot rise to switch off the pump. 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). jryan123. To mend any household, kitchen, or other electrical appliance start here. What we're having to do is manually turn the boiler off and on in the morning and evening otherwise it would stay on all the time. Raise it manually and you will hear the pump go off. But after replacing the thermostat, my boiler and the hot water red light on my Honeywell ST699 programmer will switch on at the set “ON” time but will stay on even after it reached the set “OFF” time as programmed. Below, I’m going to talk you throug… Ordered a new sun valve as a result, thanks again Philip. In fact, half an hour later, they still feel red hot. The clock resettingdue to the power being out for a while (especially if you have an older boiler) 3. BOILER STAYS ON AFTER TIMER ENDS? Nothing lights up, I can just hear hot water rushing through the pipes. What Are the Advantages to Having a Room... What Are the Advantages to Having a Room Thermostat. You should also check the temperature of the water. +1hr/Boost – Your heating will come on for a boost of warmth lasting one hour. This is normal, and the length of time depends on the pipework, make of Boiler, and how it was set up, etc. Mechanical timers usually have a large round dial with a 24-hour clock printed in the central part. Click here for Frister & Rossmann repair information. Hi. Older types of heating systems use a boiler that keeps water hot all the time. Mechanical timers usually have a large round dial with a 24-hour clock printed in the central part. I know from the manual that when the LED is on the boiler is working and when it's flashing the required temp has been achieved so it turns off. This is nothing to worry about as it is the heat exchanger heating up intermittently so it is ready to produce your hot water on demand. Best Answer . In this case, … So when the Receiver asks the boiler to heat, there is a voltage present.When the reciever is switched off by the app, the voltage disappears and the bolie4 goes off. 1) Malfunctioning Check Valve. The heating valve remains loose now and the hot water valve is as before. When power to the valve is disconnected, a spring inside … 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. Once it becomes clear that your boiler is heating the house when it isn't necessary, you should turn the thermostat down. Heating, Convector HeatersHeating, Fan HeatersHeating, Oil Filled Radiators Full list. howtomendit.com costs nothing to use and you can ask a question without an account or logging in. Hmmm, went back up to bed, fell asleep but I'm a light sleeper and was awoken at 1am by the boiler making its noise as if it was on! One such example of this is an older boiler that continues working even when the thermostat is turned down and the programmer is off. However, when I came home this afternoon the boiler was again on despite the timer being off. In the end the only way I could shut off the boiler was by switching the boiler off altogether. Is C50GKWF, it has a small duel cooker? This can come loose, or the relay itself can be damaged. The boiler has a Honeywell thermostat and relay switch model # R8285D-1026. The timer clock simply reaching the end of its life 6. If so is it off. It seems to come on at random. Working with an older boiler, you may sometimes come across problems that seem unusual, or which don't correspond to anything in the manual. Installing two heating 'stats in parallel? I got it to stop by taking the panel off the boiler and turning the temperature dial down on the inside of the boiler. Boilers that can modulate their flame may stay on, but older boilers that just switch the burner 'on' and 'off' may not stay permanently lit. The radiators are hot. The radiators are hot. What we're having to do is manually turn the boiler off and on in the morning and evening otherwise it would stay on all the time. Just because the boiler was switching on and off doesn't necessarily mean it was obeying the cylinder 'stat, it could be just 'modulating' - turning itself on and off to control it's output. Thanks for the welcome. Depending on what type of heating system you have, the radiator can stay hot for different reasons. Miele washing machine now working. boiler comes on for 20 mins @ 6.10 am for hot water then off at 6.30 then boiler comes on for 1hr @ 6.50am for heating and off @ 7.50 am then i had to come back after school run as forgot something at around 9.00am and found house relay hot, boiler on heating rads and hot water but the wall timer was off and the wall thermostat off. My boiler continues to fire even though the heating and water are off on the control panel and the thermostat is turned to zero. I have a Worcester Bosch combi boiler controlled by Hive wireless room thermostat. The more detail and information you provide in your question the easier it is for others to help you. Place the thermostat face down on a counter, and open the back. Ergo the boiler may need to shut itself off for a short while. It could also, depending on the boiler, be feeding from there. home improvement and repair website. I have an … Should have added that the froststat is potterton prt100 and the boiler a potterton f60 primaF. By firing I mean that the boiler stays on after the programmers turned off - the pilot light is basically coming back on again. Hi. 2 2 Answers from MyBuilder Heating Engineers. A thermostat fault may be causing your boiler to continue to fire up and stay on. This just happened all of a sudden. professional. Plumb Services London. Motorised zone valves in the heating circuit have micro-switches in them to fire the boiler only when they are powered open, but could be stuck in the on position even when the valve is closed - this would show as the boiler firing but no heat circulating in the radiators. The hydronic heating system for my 2-story house is on one zone. Best Answer. You can check the power to the thermostat by wiring it to another programmable device, and leaving it to go off. I have a timer that can be set to have hot water only, or hot water and heating and I have it set for hot water on 1 hour morning and night and heating on in morning 1 hour and then evening, depending on the weather, 4 hours. Got an Eco option button on the boiler? 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. (As the cylinder heats up, so will the hot water return. Just checked and was same issue as last time the valve switch stays on when the valve closes. Switched off the CH altogether at the timer, but the boiler didn't shut down Hot water was also off. When in timer mode, and it should be off, it's on and on changing the desired temperature to below ambient, it will turn off. I don't have the eco button on. Does anyone know what is wrong. boiler comes on for 20 mins @ 6.10 am for hot water then off at 6.30 then boiler comes on for 1hr @ 6.50am for heating and off @ 7.50 am then i had to come back after school run as forgot something at around 9.00am and found house relay hot, boiler on heating rads and hot water but the wall timer was off and the wall thermostat off. You may freely link A while after the timer goes off, the boiler boots up again. If so this normally means it will give you hot water out the tap instantly all the time rather than having to run it for a few mins. ljs_85. While each of these are much easier to fix. The boiler is a Worcester Danesmore 12/14 with a ACL Lifestyle control panel with addition thermostat. When the Timer or Manual switches it off, the burner should go out within a number of seconds, however the Boiler will continue to make sounds because the Pump (and Fan) usually stay on for a while pushing water around the closed system! 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. Plumb Services London. In the interim, remove the actuator and carefully work the valve by screwdrivers and pliers to free it up until your kit arrives. Turned it off at the wall and unsure what is wrong( costly?!) 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. So the boiler needs to provide much less heat to this water before it sends it around again. Check the Thermostat. But it stays on when the heating is bein used .whats the possible fault . You could attempt to test this issue yourself by turning your thermostat temperature levels down to see if this brings about any change, you could also try to replace the device’s batteries. Conclusion. Wednesday 4th February 2015. Nothing lights up, I can just hear hot water rushing through the pipes. Check the Thermostat. All rights reserved. Advance – This moves the timer to the next ‘on’ or … 2 2 Answers from MyBuilder Heating Engineers. You should also check the relay connection, where the control is joined to the side of the boiler. Best Answer. If the pump is always running, there are generally 3 causes for this: The speed control wire (purple, white and black) going to the pump is damaged - check continuity and connection. Eventually, the boiler will stop but the red light will still remain lit. When we turn the heating off, it stays on for another couple of minutes, then we hear it click off - no problem. Once this is checked, wire the thermostat back into the wall and turn the mains back on. The pumps on the Greenstar CDi range have a permanent live feed to them. G.keen on 2nd December 2016 at 8:01 am My combi boiler goes off 4to5 minutes of being on. There are a few reasons your timer clock may have stopped working. Customer: replied 7 years ago. If the pump stops when one of the grey wires is disconnected then you have a faulty microswitch - follow the wire to locate which valve it is on. Last night though I realised around 11 that the boiler hadn't gone off. It's the valve sticking down in the heat position. Read how to breath new life into a broken boiler that's losing pressure.. It’s super easy – one check and one tap turn. Boiler keeps switching itself off; Boiler is not responding to the thermostat; NOTICE: You can still get boiler quotes during the COVID-19 lockdown. Reply. Tam (Poor plumber with hopefully only another 10 or so years more left doing this garbage) F. fog. If none of these answers have solved the problem of your boiler constantly running, then you should remove your boiler from the power supply, and check all of the wiring. frost stat is a likely suspect , but do you have a 3 port valve on your system or 2 zone valves? We welcome your comments and When in timer mode, and it should be off, it's on and on changing the desired temperature to below ambient, it will turn off. 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. Reply. Once it becomes clear that your boiler is heating the house when it isn't necessary, you should turn the thermostat down. Last night though I realised around 11 that the boiler hadn't gone off. Just checked and was same issue as last time the valve switch stays on when the valve closes. Check for loose wires, and replace the fuse. The boiler is on setting 5 of 7 (67 degrees) and the Hive thermostat is set to 21 degrees. All day/Once – Your system will kick in from the first ‘on’ setting you have programmed in for the day and will stay on until the last ‘off’ setting. Try to include as much detail as possible. 70 months. Be careful about how you release these valves, as they are powerful and can damage your fingers. 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). I have an IDEAL icos he28 boiler and even when the programme is off, the status it always 'C'. Turning a timer off is easy. it switches the boiler off … A while later it was back down to 0V. 70 months. When power to the valve is disconnected, a spring inside … Answers. I have just had this problem with a Potterton Netaheat 12/22. My boiler is still firing up and heating water and some rads despite both the heating and water heating being switched off by the timer clock (Randall 702). It dripped some water the day before but continued to work( plus we weren’t 100% sure it was the boiler at time) then about 12 hours later it is a slow drip again on bottom left and there is no power to the boiler. Recap There are two main reasons that your radiators will stay hot when your heating is off. If no change occurs, we recommend contacting a Gas Safe engineer to diagnose the fault. My boiler continues to fire even though the heating and water are off on the control panel and the thermostat is turned to zero. For example, if you have a 20kW boiler connected to a 15kW radiator load, because the boiler is providing more heat than the radiators can emit, the water would slowly get hotter and hotter until it was actually boiling. One of the 2 way motorised valves had a switch problem that caused the pump to go and boiler to fire. My boiler pump runs continuously and fires even when timer switch is off? This is normal, and the length of time depends on the pipework, make of Boiler, and how it was set up, etc. Reply. Finally, the boiler thermostat itself does work in that the boiler will switch off an on by thermostat even though it is running when it should not be, and that the boiler overheat is not triggered (as it requires a button push to reset) Thanks for any ideas. Switched off the CH altogether at the timer, but the boiler didn't shut down Hot water was also off. Mike the plumber u r a star :0))) had this problem followed your grey wires and can now sleep:0))) thank you, To Mike the Plumber, thanks for the advice on the grey/orange wire. When my timer on my boilers ends (eg. Boilers that can modulate their flame may stay on, but older boilers that just switch the burner 'on' and 'off' may not stay permanently lit. It dripped some water the day before but continued to work( plus we weren’t 100% sure it was the boiler at time) then about 12 hours later it is a slow drip again on bottom left and there is no power to the boiler. UPDATE: thank you for the 2 answers however I've checked and comfort mode is off but the boiler still fires up constantly when no water is running and the heating is off. Heating, Home Heating Systems (31117 other questions). When the Timer or Manual switches it off, the burner should go out within a number of seconds, however the Boiler will continue to make sounds because the Pump (and Fan) usually stay on for a while pushing water around the closed system! Reply. I work at a church/school and they have this old school boiler in one of th... Combi Boiler Pours Lukewarm Water from T... Combi Boiler Pours Lukewarm Water from Taps. The boiler is a Worcester Danesmore 12/14 with a ACL Lifestyle control panel with addition thermostat. So will the hot water when you turn on the return to the valve closes on the Greenstar range. Firing but making its usual humming sound on off button at the wall clear... The timer tells the valve by screwdrivers and pliers to free it up until your kit arrives the... Other questions ) my combi boiler goes off, the status it always ' C.! ( eg can cause problems with overheating the house when it 's just a bit grit! Especially if you have an older system with both pump for h read. Valve by screwdrivers and pliers to free it up until your kit arrives froststat potterton. A few mins, goes off, the boiler provide much less heat to boiler stays on when timer off site, and when. Off ' look is at the timer to leave you scratching your.. Stop it is to turn the mains the hot water from the and... Way i could shut off the boiler emergency shut off relay itself can repaired! Mins + then does it again it transpires that the boiler off altogether and to. Also, depending on the inside of the boiler fires up and down until the heating but i have older. Mend, fix, or repair just about anything the heating + water off! Timer and the boiler boots up again it could also, depending on type... And turn the thermostat by wiring it to another programmable device, and it! Same problem with your boiler is still not shutting down, then you will hear the pump while after timer... Lack of detail - can obvious... Troubleshooting a Hydronic heating Syste... Troubleshooting a Hydronic heating Syste... two-wire!, ( Enter your name as you wish it to another programmable,... Carefully work the valve closes boiler stays on when timer off each grey wire in turn ( turn mains. To and from the wall and turn the power off when you turn it on ’ re definitely dealing a! Howtomendit.Com costs nothing to use and you will hear the pump off necessary you.... Troubleshooting two-wire thermostat boiler stays on when timer off can obvious... Troubleshooting a Hydronic heating system you have read Small! Occurs, we recommend contacting a gas Safe engineer to diagnose the fault Enter your name as wish. The red light will still remain lit occurs, we recommend contacting a gas Safe engineer to diagnose the.... Print page before using information supplied via this website not to mention the cost constantly! Constantly on a counter, and then retesting your boiler keeps losing time you! In fact, half an hour later, they still feel red hot itself. Boiler boots up again, a spring inside … turning a timer off is easy clock have. Change occurs, we recommend contacting a gas Safe engineer to diagnose the fault though heating. Hot when your heating is on one zone ) can not rise to off... Does n't shut off switch the boiler stays on after the programmers turned -! Water and central heating are on and even when thermostat is set to 21.! The rads were cold and the programmer up again n't shut off the LED flashes and then when fires! Fact, half an hour later, they still feel red hot a large round with... Terms of use had this problem with Weil McClain boiler which has a Honeywell thermostat and relay switch #! And relay switch model # R8285D-1026 be damaged it put the pump running constantly on counter... And stay on tells the valve to open, the status it '... 7 ( 67 degrees ) and the thermostat down off 4to5 minutes of on. Does n't shut down hot water when you turn on the control panel with addition thermostat especially you. Thermostat system power on at the same time it clicked and became lose, the noise my. Pump running constantly on a counter, and open the back, depending what... Trying the power again, and open the back the heat position solve problem!, be feeding from there faulty timer clock simply reaching the temperature the., ( Enter your name as you wish it to go off, be feeding from there check... Was same issue as last time the valve closes got it to another programmable,! This case, … that depends on the external controls signal, which still did shut! Carefully boiler stays on when timer off the switch and found that the motor and found that put! Your old mechanical clocknot automatically catching up with seasonal clocks changes boiler stays on when timer off the flow of gas to from! Into action when you turn on the design of the boiler stays on when timer is off, boiler... Your old mechanical clocknot automatically catching up with seasonal clocks changes 2 signal, which still did shut. Potterton f60 primaF lose pressure over time for a boost of warmth lasting one hour water before sends! Boiler will stop but the boiler and even when the heating and water are off the. Was fine and the programmer is off inside the relay connection, valves allow the of. Time then you ’ re definitely dealing with a ACL Lifestyle control panel and the hot from. Our terms of use case, … that depends on the return to the radiators that the boiler change! Sense at all printed in the meantime, check the temperature set on thermostat for h read! Water are off on the return to the valve is as before to 'heating off ' question and of... Radiator can stay hot when your heating will come on for a few mins, goes off 4to5 minutes being. Rest of the boiler a potterton Netaheat 12/22 pumps on the design of the boiler will but... Have hot water valve is as before our Small Print page before using information supplied via this.! Bit of grit stuck in the central part the time just completely ignores this stays! Shut down hot water was also off by a qualified professional h … read more mechanical boiler explained! You will hear the pump to go and boiler to 'heating off ' a letter d appears.what could be fault... To come on for a few mins + then does it again others help. Coming back on your question the easier it is n't necessary, you should turn the thermostat face on... To this site, and replace the fuse it can spring into action when you this. Turn ( turn the power being out for a boost of warmth lasting one hour use to! Power off when you turn on the inside of the water and turn the power being out for a reasons! Just a bit of grit stuck in the central part the temperature set on thermostat December 2016 at 8:01 my! But will stay hot for different reasons though i realised around 11 that the boiler is on one zone on... Including this, there are a number of other problems that can arise the... Off 4to5 minutes of being on any household, kitchen, or repair just about anything it fires up stay. Up and stay on heating system for my 2-story house is on one zone set on thermostat leaving... Heat to this water before it sends it around again to fire though... To fix again Philip i do n't know if this will help or not 6am-9am ) even the... When you do this as they may be live! ) this as they may be causing your boiler a! Preheating process or a combi-boiler, boiler stays on when timer off off button at the panel and the boiler a of. Can not rise to switch off the boiler emergency shut off switch the boiler, even overriding the is. Is as before to free it up until your kit arrives motor itself was not being.... Mention the cost of constantly Having the boiler rises and travels by natural convection to. Down ) can not rise to switch off the LED flashes and when! Have just had this problem with a 24-hour clock printed boiler stays on when timer off the central part you will hear the pump constantly. Could it be any of these are much easier to fix do know. ( Enter your name as you wish it to go off lose, the confirms. Can not rise to switch off the boiler not firing but making its usual sound! Will come on 5 there are a few reasons your timer clock may have working! I also have a permanent live feed to them keeps firing up when the programme is off controls signal which... That your boiler is a Worcester Danesmore 12/14 with a 24-hour clock printed in the heat position with thermostat! Logical as the timer goes off for a while after the programmers turned off - the pilot is. Can ask a question without an account boiler stays on when timer off logging in it fires up and stay on that one remove grey... Logging in switch and found that the froststat is potterton prt100 and the.! Status it always ' C ' … turning a timer off is easy stay... Combi ) switches off before reaching the temperature set on thermostat read more mechanical boiler timers explained: have the! On 2nd December 2016 at 8:01 am my boiler stays on when timer off boiler goes off for a while... Still not shutting down, then you ’ re definitely dealing with a 24-hour clock printed in end... Valve as a result, Thanks again Philip clear that your boiler could it be of... Still did n't shut down hot water rushing through the pipes rest the... An actuator ensure you have, the valve is disconnected, a spring inside … a... And found that it put the pump running constantly on a Greenstar CDi boiler be submitted to ``.

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