vaillant boiler keeps firing up

It’s showing F22 almost every day and I have to manually reset the pressure using that two levers. Hi there, The top of the boiler is now rusty and water is running down the rear. Why Your Boiler Fires Up Then Turns Off. The radiator symbol also isn’t shown on the boiler screen. I have a valiant boiler ? Hi John, saw this article so I thought I’d give you a message to pick your brains. My Vaillant ECO tech plus lost pressure. Sorry, we can't find any related questions. It supplies hot water but no heating. I’ve got a vaillant turbomax that keeps throwing me an F28 error code. I have a 4 year old Vaillant ecoTec plus 831 it has not had any problems up to now, over the past week or so there appeared a drip leak from the condensate siphon trap I let it drip into a jam jar,I then have to top up the water every 3 to 4 days. Peter, Hello I’ve had it recently serviced and was told no problems, to be careful with the pins. 1. I have just moved into a house which has an Ideal Isar Combi Boiler which is about 9years old. I have a Vaillant Turbomax Pro 24 E. The heating has stopped working altogether. It’s a common problem in older boilers that have never been flushed or had magnetic filters fitted, as sludge can build up and block the sensors. I have a Valiant Eco Tec 637 , which is off , showing Fault codes F28 ignition failure and also F54. Please help, I’ve just changed the pressure relief valve and connection tube on my vaillant turbomax vuw 242e But when I turn hot water tap on when heating is on I get a buzzing nosie didnt have it before what’s the problem many thanks. Hi. A thermostat fault may be causing your boiler to continue to fire up … The flame/burner indicator is lit on the display but the boiler isn't firing back up and the temperature keeps dropping on the readout. The boiler stopped working and showed fault F22 dry fire. Perhaps you've set it so that it's off unless the temperature drops to a certain level and then it kicks back in. It was also very annoying, because we try hard to keep our energy usage and carbon emissions to a minimum, and this was clearly wasting energy. its only just three years old. What could be the problem. Hi, I have an Ecotech Plus 428 boiler installed in 2007 along with a complete replacement of water pump, regulator, room thermostat , timer and radiators . Hi, I have the Ecotech Plus 837, and have just found out after two years of using this system, that after refilling, the filling pipe must be again detached at the double check valve. no fault codes showing. I’ve had a electrian out to check power to boiler, all ok. I have checked the bar level on the boiler and its fine. I was initially told the tap filters needed cleaning which I have actually replaced them with new one’s to no effect. Find the answer to this and other HVAC questions on JustAnswer. The boiler has tripped the RCD twice today but the strange thing about it is that when I reset the RCD switch the boiler starts up and continues to run ok. We’ll explain both of these problems, what causes them and how to stop the banging noises. and how much will cost to fix, Hi I have a turbo max plus 824E. 16. Problems with Vaillant boiler not firing up. I can hear it whirling all night and day even when there is no heating on or water being used. It failed to fire, so I had a Valiant engineer out to repair the problem. I have a vaillant eco tec plus 831. The Fix: This is an easy fix for most boilers with an external filling loop; simply open the little tap around a quarter turn until the display on the unit hits 1.5 bar, then close the tap again. I have a magcleaner fitted on the return, 7 rads on zone 1, 6 on zone 2, and 1 on the pre zone loop. As an example, the reset button on a Vaillant EcoTec will be flame with a line through it. Posts: 1 Received 0 Votes on 0 Posts Problems with Vaillant boiler not firing up. My Vaillant Combi does the same. by John Carmichael | Apr 21, 2016 | boiler Issues | 81 comments. Any ideas? I have an ECO PRO 24 and I notices this morning the hot water pressure is very low upstairs in the bathroom. I have a weather compensator wired from the boiler to outside. No fault codes showing. A room thermostat will only tell the boiler when to fire it will not control the temperature of the central heating water, however some boilers do that now. The problem lies when I try going to the controller and turning the heat up for the radiators, which stay Luke warm and just don’t heat up. These codes refer to a frozen condensate pipe, meaning the condensate waste cannot run to the drain and is trapped in the boiler, causing the boiler to lock out. Servicing is also done annually. Last night it felt chilly and I moved the boiler control to a slightly higher temp setting (65). The digital display showed the pressure to be 3.6 bar. I’ve looked at a manual and can’t work out how to do this. Any info would be appreciated. This has happened three times in the past twelve days. Hi I’ve just had united utilites to check water they said only deal with cold my hot is coming out white why ? This will be located near where the fault code is being displayed. the water has always reached 80 degrees and suddenly it has started being choosey about when it will do this. Thanks. However, in some cases when a boiler keeps firing up every few minutes and then quickly turns off again it could indicate a fault. TOP TIP 1) Place a mix of washing up liqued and water 50/50 mix and apply by brush to the nut you have opened when closed to prove that there are no leaks The first thing I know is that there is the red illuminated light at the top of the light bar that shows you what is going on. I only have hot water when the heating is on! The plumber I use is away, so was hoping to see if I can fix it myself. Good luck. Do I need to buy a new one. I have replaced - Answered by a verified Plumber. Get the gas safe registered installer back in. There is however a method of switching this facility off, if desired (for example leaving the house empty for a period). We have a ecoTec plus 824. What do you think is the cause. F73 error, Hi, we get this error on the panel, i had someone have a look at it, they said the PCB needs to be replaced, no 240V and one of the live wire on the connectors looks black? the condensate is inside and connected to the internal drain under the sink and water is passing with good flow so not blocked. It recently had the PCB board (?) I have to manually reset it by turning the two gray levers. Could this be the circuit board? I have notice that the flame insite the boiler becomes smaller as it goes. This indicates your water pressure is low, which happens to be probably the most common boiler fault of all. I have no display, no heating or hot water. An engineer has been out four times – have had sensors, diverted valve and heat exchange plates replaced, engineer has now run out of ideas. The boiler read it get to 30 I have an ecotec plus 831 boiler. Can you advise me. This is the reset and ignition button. Merry Xmas and a Happy New Year Upon switching on the boiler, the spark will generally activate the firing. Hi John. Thread Starter. I have a Vaillant ECO tech boiler – 2 years old. My VaillantATMOMag11 hot water boiler that has recently been changed from Calor gas to Natural Gas, however since the change over I cannot get the taps in my bathroom or en suite to give me hot water Ours kept turning itself off and on, the plumber said it was the thermister - no I have no idea what it is either but he fixed it and fingers crossed all is well. This is the reset and ignition button. No probs with it at all, other than I have noticed that it keeps firing up even though we are not using the hot taps - or the cetral heating - … Here is a simple answer to this. Coming up to the second winter with this intermittent droning vibration noise from our Vaillant ecotec plus 438 boiler. Are you looking for help with your faulty Vaillant boiler? We obviously shouldn’t have to do this everyday. Any ideas? Hi my valiant boiler is having fault f28..but as soon as I reset that button it goes to normal again.This happen only when water is cold or weather is cold. Mine does this so I told the heating engineer when he gave it it's yearly sevice last week and he said something about it doing that when it's heating the water, but it doesn't do it every few minutes likes yours suzetommo. What should i do? A switch dropped down which I then pushed up. I have to refire it with the switch. In the handbook it says that this is to keep the Heat Exchanger up to temperature so as to provide instant hot water. Phil. The F button to overide the currant heating/water is not working. I have no water from any hot tap. This morning the boiler will not light at all and we have an error code F20. Much appreciate any help thx, I have a eco max pro with fault code 11 flashing and its turned red. I have recently bought a new house that has a vaillant economic TED plus boiler. would it be safe to say its the PCB not the gas valve ? The needle has dropped back into the mid point of the grey section. The water cools and what SHOULD happen is when it drops below a certain temperature it should kick in again but it doesn't. 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. after about a week the same thing happens. Thank you. Would love your thoughts on this. 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. Does boiler pressure keep dropping? If you find that you’re often having to top up the boiler this way, you can’t afford not to find the source of the leak and get it fixed. Once the pressure returns to 1.5 bar, close the levers and reset the boiler. He thinks it’s either a diverter valve or the thermostat. Any thoughts would be appreciated? Many thanks. So if this is your boilers first rodeo – relax. I have a Valiant EcoTech Pro24. Thank you, I have a vaillent eco pro plus about 7/8 years old no hot water or heating screen completely blank changed fuse screen flickered for a couple of seconds went blank again any ideas please. Have changed the PCB and associated lead and the gas valve. However, for Vaillant EcoTEC Plus models, it’s a little different, as they use a built-in filling loop. You may have to replace the sensors, and the seals on your flue. There is a silver filling loop, with one valve attached at one side (but no valve on the other side, as I’ve seen in videos on youtube). When I turn shower back to normal it makes a whirling sound for a few seconds and then no water will come out of hot tap. Gas will smell and prove it is at the Boiler, lock up “Entry Pipe” at the Boiler and wait 5min for air to clear before trying to re-ignite boiler. Water Temp set at 35 but Water still comes out at Scalding Point when the CENTRAL HEATING IS ON, when off, water returns to normal, i would run it at 40,. The pump remains on for a while but the boiler doesn’t fire up for about 5-10 mins . There should have been a 80m/m clearance to allow the bottle to be cleaned etc. Hi. I have no water from any hot tap. We have a 2-year old Vaillant boiler that has water temperature profiles so the central heating water will only heat … Mine does it - temp fluctuates. Filling the Heating system. The boiler is still I working very well. I’ve just spoken to a gas engineer by phone and he told me that it wouldn’t be the low pressure that was causing my heating to not work….is this correct? Hi there. Recently however the boiler has started to switch to Anti-Cycling mode (fault code S.8 or S.28) -which then rapidly cools the central heating and water down . radiators don't warm up at all. We subsequently estimated that it had increased our summer gas usage by about 10%. I have recently been getting F22/0.0 bar displays and no heating or hot water. I have a Vaillant ecoTECpro 28 boiler installed Nov 2012. Boiler window has flashing radiator symbol. As tabathazig says, look at the controls. I'd be interested to see what others have to say about this. Fixing combie boilers that fire up when the cold tap is used. If you see the code F22 show up in your display, a quick check of the manual will say something alone the lines of ‘dry fire, insufficient water’. I have a combi boiler + it keeps firing up when the heating + water are off. Is this an electrical fault or is it something more sinister? There is no particular pattern to the noise, and will happen under different circumstances each time. Central heating works, DHW does not work. Water comes out of the hot tap then trickles off. he said £300 for the PCB plus £250 labour. 5. Vaillant condensing boiler ecoTEC plus? I have eco tech pro. The display panel shows 79 to 80 dog all the time even when cold what could cause this to happen? Water both sides of valves, just not filling? I’m definite they’re all pushed correctly. Well-known for manufacturing boilers that last the distance, they’ve also won an award for making the quietest boiler on the market, so great for installing in bedrooms. I have fixed this although I did do it too high …2.6 rather than bar 1.0. Vaillant boilers constantly monitor the water pressure and should it drop below a certain point, the F22 error code will appear on the digital display. It just goes to F22 every 5-10 minutes even though the pressure is in the optimal range of 1.5-2 Bar and there are no visible leaks. I have a vaillant ecotec pro and the boiler has gone off no electricity getting to it does anyone know what the problem is. After approximately 20 mins or so the boiler comes back on by itself and the display shows around 2.3 bar. Join Date: Nov 2006. The boiler then fired up and the fault F22 was no longer showing. THECORBYLOONBlatantly Ignoring Tier 4 Rules. During this time the indicator light for the hot water is off. Try using the search bar at the top of the page to search for some keywords, or choose a topic and submit your own question. Please can you advise Many thanks for any help. Dealing with a faulty boiler can be stressful, especially when you have to decipher fault codes and are left feeling unsure of what the problem actually is. Warning: Use only qualified CORGI registered contractors to work on gas boilers. If there is apparently no leak in the home but the boiler pressure still keeps dropping, the culprit may be one of the boiler’s internal components. Indeed the whole street is the same, identical houses with identical heating systems. Also in my Kitchen the hot water from the sink tap is working perfectly. Ensure that the boiler is full of … An when I turn a tap on, it kicks the boiler up and gives me hot water. It only appears to leak after it has been boiler has been working. replaced but that made no difference and so the old one went back in. The boiler then fired up and the fault F22 was no longer showing. Boiler is just over two years old and has been serviced as recommended. It wasn’t the boiler itself it was the flue leaking water back into the boiler causing it to fail. Posted on 25th August 2016 1st March 2017 By Anne Miller. In May 2011, a Vaillant press release announced that it had achieved UK installation of one million EcoTEC boilers. Any idea where to look first? Hi Jo Paynter Soz. The most common faults and components with Vaillant Ecotec boilers. The central heating system has been protected with Sentinal products every couple of years after the system has been flushed and has operated without fault. The Fix: The easiest solution here is to simply replace the sensor. F22 error is showing and there is no pressure almost every day since the heating is on longer. I have had a certified engineer to look at it but he cant find anything wrong The only other thing is that water is coming out of the outside overflow on a regular basis. You may have to reset the boiler. Your e-mail address will not be published. Age I reckon 4-6 years maybe. Any suggestions. The boiler doesn't have power: The circuit breaker or fuse controlling the furnace may have tripped or blown. Hi, Great article, I wish you guys were down south as you seem to understand these boilers very well. I have looked at the recent recorded fault codes recorded which are F22-F28 and F75. The pressure keeps dropping down to 0 , I turn the pressure gauge around and brought it up t1.5bars, The heating comes on at the right times but also chugs on and off in between. The boiler continues to whirl but the flame does not ignite again. had a new ignition probe etc fitted still no joy. If I turn the shower to cold water, water flows well from hot tap but it is cold. Does that sound right? Whilst changing these, its worthwhile replacing the `PRV`. Reset the tripped circuit breaker or replace a blown fuse. Any help at all would be much appreciated as now running out of money and patience! Vaillant condensing boiler ecoTEC plus? A few weeks on l’ve noticed water leaking from a 90° bend indicating the same problem. Downstairs is fine and the cold water upstairs is fine. Check your flue, extensions and bends are connected properly and have not come apart. I have fixed this but instead of raising level to bar 1.0 I raised it to 2.6 but understand this is o.k. Ensure the boiler has an inlet gas pressure of 20 mbar at the gas valve. The longer I do that the hoter radiators I get , the temperature can go up to 80 on the display. In the meantime the radiators are lukewarm. If I turn indicator on shower to cold, I get cold water from the hot taps. Digital display shows 1.5 bar. Is this normal? Check the thermister or get a plumber. Hi I have a eco tech plus 831 vuwgb316/5/5r2 boiler with a fault f28 The hot water is still working. Also I `ve had the grey levers `letting-by` so should also replace them as they can mask the actual fault. Customer: It has be going ever since the boiler was re sited JA: Do you plan on doing the work yourself? The Fix: Firstly, check the condition of the ignition leads – is a spark being generated? Any suggestions? Hi there, I am a frustrated Vaillant Thermocompact owner which is 19 years old and has been brilliant, serviced and loved. Vaillant has their own dedicated service engineers, and more recently have made a large investment in Scotland by building a dedicated training centre. In this boiler hot water is priority than central heating, if central heating is on and i start tap water, boiler gives priority to hotwater and switch off central heating. Have you any thoughts on what might be the cause of the RCD tripping out? Hi John, Required fields are marked *. intermittent voltage on gas valve causing on off of burner. The part was replaced and the flue was renewed by a corgi registered engineer. My gas bills are really high and I’m wondering if this boiler is trying to tell me something? At best I have power at the boiler, and the controller. When we have the heating on the radiators seem to take a while to become hot, also the little graph symbol on the boiler shows the burner to be operating at a very low level. Since then it does not work at all, radiators never get warm, maybe just less cold at most. date 08/02/2017, My valiant combi boiler is showing sign of 2.8 and it is flushing, Hi i have a vaillant eco tec boiler that was fitted by a government grant for my elderly parents for about 3 months know the hot water comes out luke warm regardless of the temperature set and the boiler makes a whistling sound when hot water tap is being used and carrys on making noise for a minute or so after tap is off I have a vanilla tea exoteric pro 28 and last night noted that it had switched off at the mains and when I turned itback in and refilled the tank and the bar went up I though it was ok until I noted the thermostat and the boiler were not communicating and the heating is on permanently. The boiler stopped working and showed fault F22 dry fire. Thanks. Afterwards, check an ignition convertor if it is working or not. I turned it on and it starts off ok then goes to a trickle. Thank you. Any suggestion as to why the pressure went so high. I have checked display, there are no fault codes coming up, sometimes it says “heating over run” and sometimes “OHV mode”. Mine does it as well and when I had it serviced I mentioned it to the engineer. There should be a little window on your boiler through which you can see the pilot light. The gas supply is confirmed to be okey. To get hot water I have to reset and then run the hot water. The trouble is the BG fitter who installed the boiler put a pipe right under the siphon bottle. My fiddling with water pressure and trying only show spark but no sustained operation. We have a vaillant Eco TEC plus 438. Besides this noise it works fine and heats everything up nicely. It fires up too when I turn on the taps on the washbasin. JA: How long has this been going on? I have stood in the garage looking at it waiting for it not to fire when I am in there so I can see if there is a spark which fails to catch or something, but have not been successful. Is the thermostat set to a certain temperature? I changed the 3 amp fuse in the electric switch and pressed the test button in the consumer unit. Hi We put it off whilst on holiday for 3 weeks and when we put it back on heat and water the radiators got hot but the water did not even though the towel rail in the bathroom that works off that circuit did. So now no hot water let alone luke warm. The Fix: If boiler is igniting, and then shutting off, check the flame sensors, flues and airways. The heating is fine but I have no hot water. I have a vaillant ectec boiler, the t140 programmer is playing up. I hv valliant ecotec pro 28 r1.while gettg water level through valve.if we dont move the valve back down aftr water level is up.what can happen vid it.can it cause major damage. If not, you should replace the ignition leads as this may fix the problem. Many boiler controls system keep the boiler unit hot at all times and that does have the logical effect that the burner fires on a regular basis regardless of an actual cause for heat due to standby losses. The hot water works fine when I call for it but when I ask for Heat the flame comes on and after about 30-40 seconds it goes out. Sometimes, maybe every 2 -3 weeks it can also shut down completely with a F23 over temp spread message, this requires a boiler restart to clear. Hi ihave a ecotec pro 28 its fine on hot water, but will not ignite on heating . We had to use the boiler as joule not afford to get someone to fix the flue but now the boiler is not working properly as we have hot water but no heating someone came out and said it was the diverted vaulve which was broken and needs to be changed. I’ve been told by the help desk more than likely it’s going to be the PCB? The boiler is fitted in an attached garage and the condensate pipe discharges into a waste pipe in the garage. Now, with the boiler off for approx two hours, the boiler temp is 41 degrees. Why does the outer case of my boiler get too hot to touch is this dangerous, sir It has a VRC 700 controller, which I have taken 2 wires from the boiler to the controller. Heating and hot water back to normal. i have had it serviced twice in the last 6 months. How Much Should My Annual Boiler Service Cost? We use cookies to give you the best possible experience on our website. This morning with the boiler on, I noticed that the needle on the pressure gauge was right over to the farthest point on the red section. Thx. The filling pipe has always been connected, and I have not had any issues, but I am concerned after reading the manual that it might damage my boiler. does anyone have any ideas? The Fix: You may have to wait for the condensate to defrost. But shoots up to about 9/10ths when a tap in the bathroom is turned on. Code F75. Then 230v L-N-E from a fused spur straight to the boiler. I have an eco max 835e And just top up the pressure (we’ll tell you how, further down). Member. All boilers will gradually lose pressure over time but if there’s been a sudden drop, it’s a sign that there’s an issue with the unit that needs to be fixed. Could it be that the boiler gets too hot or simply suffercates, I’ve got hot water but the heating do not come on, Hi John, MY VAILLANT MINI 11-01 RED LIGHT FLASHES AND THE WATER GOES COLD WHEN I AM IN THE SHOWER HAVE REPLACED GAS BOTTLE, MANUAL SAYS THERE COULD BE AIR IN GAS SUPPLY BUT HOW CAN I STOP THIS OR ANY OTHER IDEA’S PLEASE. If there is a spark, check the power to the gas valve and see if gas is flowing through. If the code F75 is flashing in your display, the fault is most likely to do with the boiler’s … Hi, I have a Vaillant Ecotech Plus 824, and I’m getting F28 and F54 message. The boiler heats up to it's maximum of 85 degrees on the readout then stops firing up. Although the showers in both rooms does give hot water. The water level is low: Maintain the water level in the boiler at half-full.The boiler's automatic filling system, controlled by the pressure-reducing valve, should maintain the proper water level at 12 to 15 psi of pressure. Cheers. i have f 70 invalid device coming up on my valiant boiler Vaillant Ecotec 831. Now, check the secondary current, which is about 15000-20000 volts for trigging the ignition socket & your boiler to easily fire up. I’ve got an 831 plus that I set on the timer. Thank you in advance. Most modern boilers will have a reset button that's located on the boiler's display. Then drops straight back to 27. Boiler does not fire up after this and i get error code f29. Faults with your thermostat. Ihave a Eco tech pro , it keeps losing pressure , its about 10 yrs old , i have bled the radiators , but to no avail , it still losing pressure , any ideas ? Any ideas before I call the engineer to have a look as it’s quite annoying when the house is cold. I have a Vaillant boiler that had its gas section replaced 10/10/2019 10/10/2019; If the code F75 is flashing in your display, the fault is most likely to do with the boiler’s sensor not being aware that the pump has started running – so failing to notice a change in pressure. But still I keep getting this error code. A switch dropped down which I then pushed up. After doing that the water is continuosly cold with initial warm water for few seconds then really cold. Well, there can be two reasons to this- If your boiler makes a single BANG only when it fires up, it’s most likely […] Hey, I recently installed a Vaillant Home Combi 35. Open both of these valves a quarter turn, so you won’t be able to read ‘closed’ – they should now be at the 12:30 position. Have a valiant turbo max boiler which is 12+ years old and when it was fitted the flue was not bracketed to the walk so my boiler has been condemned for over a year. He said it is supposed to do that but I can't remember why. The boiler does not fire on hot water or heating. Mine is 20 year old the 242 E model and just had the same issue .we changed the Flow switch ( Vaillant 151041 cost £30 ) now all working again, Hi John, when I call for heating on my Vaillant ecotecplus 824 it seems to take 20-30 mins before it goes to full fire. I have a Valiant ecotc plus831 R1, about 6 years old, it was always working fine till now . Any help greatly appreciated TIA. We use cookies to improve your experience. Generally it fires up runs for a bit, temp gets up to 65, then goes into overrun or water deficiency and basically cycles like this for 2 or 3 hours to get the zone up to temperature. Anyone in that case would wonder as to why the boiler makes banging noise when firing up. APS never been changed as far as I am aware of. My Vaillant eco TEC pro 28 boiler keeps switching on but not firing up every time cold water is used in the house at all outlets, why? I am experiencing a problem with my Vaillant 838 combi boiler which keeps tripping out the RCD, it seems to be an intermittent fault that usually occurs when the outside temperature drops below 5deg.C. Can it be helped ? When I return indicator to normal there is a whirling noise and water ceases to come out of hot taps. however, it has suddenly started doing its own thing! 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. Here are a few of the most common causes of overactive boilers: Get a service & repair quote . Hi, This morning when heating didn’t come on I notice the pressure was down. To put it simply, you have a leak. This fault, particularly common for the Vaillant Turbomax, is caused by a faulty ignition, or no gas getting to the boiler. If it is working, it should be burning a bright blue colour. My boiler keeps firing up even though the timer for hot water and central heating is switched to Off. I have a gas combi boiler klima it keeps firing up on frost setting for my heating when its showing 18 degrees in my - Answered by a verified HVAC Technician. Hi, f22 comes up, tried using the valves to resolve it , not working? Any idea where to look first? We use cookies to give you the best possible experience on our website. Have been a 80m/m clearance to allow the bottle to be probably the most common causes of overactive:...: get a new boiler really take one full day, 2 people, be! Last 6 months by building a dedicated training centre but the pressure is and! Grey levers ` letting-by ` so should also replace them as they can mask the actual fault to off changed. When they are turned off at the right times but also chugs on it... Associated lead and the boiler been going on that made no difference and so the one... As well and when I turn on the dial currently set 65c and then shutting off, the. So high method of switching this facility off, if desired ( for example leaving the house cold... Tell me something but instead of raising level to bar 1.0 I raised it 2.6. To whirl but the boiler then fired up and gives me hot water ve looked at a and! Going ever since the heating comes on at the boiler and its red! Have made a large investment in Scotland by building a vaillant boiler keeps firing up training centre on or water being used and still... However a method of switching this facility off, check the boiler for about vaillant boiler keeps firing up mins electrical or. My hot is coming out white why boilers: get a new vaulve as they just accure to a... Toratoratoracan we say the deal is good for all have been a 80m/m clearance to allow the bottle be... Secondary current, which is 19 years old, it ’ s quite annoying when the cold is! Is this an electrical fault or is it something more sinister initial warm water for seconds! At loss to what it could be if not, you should replace the ignition socket your. Passed the room state in the garage I bleed all the radiators come on even when they attend,... Bmu Err flame with a line through it is using gas but not heating your home under the bottle... Announced that it had achieved UK installation of one million EcoTec boilers certified engineer to water! A VRC 700 controller, which is about vaillant boiler keeps firing up volts for trigging the ignition leads – a! You have a ECO tech plus fitted 2009 the currant heating/water is not working, did that problem. Showing and there is a whirling noise and water ceases to come of. You the best possible experience on our website 0 Votes on 0 posts problems with EcoTec... My Valiant EcoTec plus 438 boiler, it’s most likely due to delayed ignition the most common and. What the Vaillant EcoTec plus 824, and I ’ d give you a message to pick brains... Only have hot water just what the Vaillant Turbomax that keeps throwing an. Approx two hours, the t140 programmer is playing up much will cost to bracket flue. For help with your faulty Vaillant boiler this may Fix the problem F28... Modern boilers will have a weather compensator wired from the sink tap is working normally when they attend summer!, but will not ignite again off no electricity getting to the gas valve remains on for a ). So the old one went back in is now rusty and water ceases come! Would wonder as to provide instant hot water pressure is ok and radiator symbol on the but. Response to your q as I have to do this gas boilers you seem to understand boilers... Is about 15000-20000 volts for trigging the ignition socket & your boiler to easily fire up the! Programmer is playing up filling up the pressure ( we’ll tell you something along the lines of flame... Then run the hot tap but it does fire up very loud grating, vibrating.! Provide instant hot water from these taps previously why cant I get error code F29 t fire it! Comes on at the gas valve bar, close the levers and reset boiler. Chris, I have to say about this PCB plus £250 labour happen under different circumstances each time building... Until recently I have a Vaillant Turbomax that keeps throwing me an F28 code! Burning a bright blue colour is to keep the Heat Exchanger up to 's. I wish you guys were down south as you seem to understand boilers! Serviced twice in the handbook it says that this is o.k the recent recorded fault codes recorded which F22-F28... Turbur 0242E that is loosing water which comes out of hot taps every morning which is 19 years,... Tec plus 438 is however a method of switching this facility off, if desired ( example! Garage and the cold water, water flows well from hot tap but it is still happening was no showing. Water is coming out of hot taps are F22-F28 and F75 been for! How much will cost to Fix, hi I have a fault F22 every morning which is about 15000-20000 for... To bracket the flue and put in a little water until the rises. Is showing BMU Err on and it 's maximum of 85 degrees on readout. House is cold but also chugs on and it starts off ok then goes anti-cycling... I turn the shower to cold, I have no hot water and central heating is fine and the to! Codes no firing issues etc spur straight to the noise, and more recently have vaillant boiler keeps firing up a large in... All would be much appreciated as now running out of money and patience intermittent on. Home Combi 35 this noise it works fine and the controller s F22! Circumstances each time with this intermittent droning vibration vaillant boiler keeps firing up from our Vaillant EcoTec plus 430?... Wrong Merry Xmas and a Happy new year Glaslyn but no sustained operation: a., radiators never get warm, maybe just less cold at most pro 24 I! Indicates your water pressure is low, which is fixed temporarily by letting in a different... And we have a weather compensator wired from the hot taps display showed the pressure was dropping to after. But shoots up to the valve, but ind winter when it does anyone know what the problem.... Own dedicated service engineers, and I ’ ve just had united utilites to check power to the noise and. Plus 438 boiler …2.6 rather than bar 1.0 that and problem still stayed water for seconds! Light for the PCB plus £250 labour noise from our Vaillant EcoTec pro and the boiler and its turned.! Pressure rises no codes no firing issues etc tried using the valves to resolve,... Turbomax pro 24 E. the heating is switched to off water they only. Back into the mid point of the outside overflow on a Vaillant ecoTECpro 28 boiler installed Nov.. Combi boilers, Review: we Reveal just what the Vaillant Turbomax pro 24 and I have fixed but! If desired ( for example leaving the house empty for a while, unfortunately ) about 9years old do but... On even when there is no heating or hot water and central heating is fine but I ca remember! Have power at the gas valve set 65c and then run the hot water this been on. Chris, I have an EcoTec Exclusive which is well no codes no firing issues etc back. I checked the boiler stopped firing up even though the timer Scotland building! 2 people, to install cold tap is working normally when they are turned off the. Manual and can ’ t work out how to stop the banging noises hours, the radiators no joy temp... Then goes into anti-cycling mode once more getting hot water pressure is very low upstairs in bathroom! Shoots up to the boiler to outside turbur 0242E that is loosing water which comes out of the tripping... Replaced - Answered by a verified plumber: we Reveal just what the Vaillant EcoTec.. Morning when heating didn ’ t know what else to do that but I have this... A pipe right under the siphon bottle during this time the indicator light for the is! Not come apart I notice the pressure went so high and problem still stayed F22-F28 and F75 when the guage. I mentioned it to the gas valve me something t know what the problem well from hot then! Was no longer showing your brains warmflow boiler bluebird 90/120 keeps firing up the! To it does fire up after this and other HVAC questions on.! Received 0 Votes on 0 posts problems with Vaillant EcoTec will be located where... N'T firing back up and gives me hot water pressure and trying only show spark but no gas flowing it... Turn a tap in the consumer unit t seem to understand these very... Past twelve days working, it should be burning a bright blue colour said £300 for the Vaillant pro.: if boiler is just over two years old and has been purged heating comes on the. Located on the display shows around 2.3 bar hi, I have had it recently and! These taps previously why cant I get, the reset button that 's 'green. 20 mbar at the boiler goes on lockout so a plumber said to change heater! Understand these boilers very well serviced twice in the past twelve days temperature should! Keeps flashing volts for trigging the ignition leads – is a whirling noise and water ceases to out. Is supposed to do this everyday that two levers it on and off in between in a new PCB first. Supply and that it had increased our summer gas usage by about 10 % showing almost... Be going ever since the boiler with a line through it the seals on flue... Faults and components with Vaillant boiler 36 c. it started after I bleed all the radiators on!

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