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. If the boiler fires up every few minutes it is using gas but not heating your home. Sorry, we can't find any related questions. A switch dropped down which I then pushed up. It all of a sudden fails to fire. In May 2011, a Vaillant press release announced that it had achieved UK installation of one million EcoTEC boilers. the water has always reached 80 degrees and suddenly it has started being choosey about when it will do this. One of the EcoTEC boilers that it sells - only in the UK, it seems - is the EcoTEC plus open vented 400 range, described on the Vaillant website here. There is however a method of switching this facility off, if desired (for example leaving the house empty for a period). VRT 360f boiler is showing BMU Err. As an example, the reset button on a Vaillant EcoTec will be flame with a line through it. It's serviced once a year and due a service now. 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. I have a valiant boiler ? 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. I am unsure as to the responsibility of BG in this matter, I think they should repipe the afending pipe under the siphon trap.I would be very much obliged for any help with this problem. I’ve had a electrian out to check power to boiler, all ok. Thanks The pressure is reading zero (I haven’t looked at this for a while, unfortunately). I have a combi boiler + it keeps firing up when the heating + water are off. Either the flue isn’t all the way in the 90 bend, or the seal was damaged at the time the new flue went in. i have a Valliant condenser boiler, with the central heating on and the hot water off the hot water comes on of its own accord intermitentlly to an excessively high temperature. Since there is no acual pressure drop my thoughts are a faulty pressure sensor or faulty connection to main PCB or a faulty PCB perhaps? If you have any questions or are currently experiencing problems with your Vaillant boiler, please don’t hesitate to get in touch with me directly or drop me a comment – I’ll be happy to help! Merry Xmas and a Happy New Year Any suggestions? I have just moved into a house which has an Ideal Isar Combi Boiler which is about 9years old. It doesn't seem unusual. 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,. Downstairs is fine and the cold water upstairs is fine. Last night it felt chilly and I moved the boiler control to a slightly higher temp setting (65). If I turn the shower to cold water, water flows well from hot tap but it is cold. 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. There´s no rytme to the faults as they just accure. Worcester Bosch Boilers vs Ariston Combi Boilers, Review: We Reveal Just What the Vaillant EcoTEC Plus 825 Combi Boiler Has to Offer. 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 . 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. However, in some cases when a boiler keeps firing up every few minutes and then quickly turns off again it could indicate a fault. In the meantime the radiators are lukewarm. We use cookies to give you the best possible experience on our website. I have a Vaillant boiler that had its gas section replaced 10/10/2019 10/10/2019; This has happened three times in the past twelve days. Any idea where to look first? Water comes out of the hot tap then trickles off. 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. 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. Thanks. I have a Vaillant 182e. It wasn’t the boiler itself it was the flue leaking water back into the boiler causing it to fail. The water cools and what SHOULD happen is when it drops below a certain temperature it should kick in again but it doesn't. The boiler stopped working and showed fault F22 dry fire. Boiler does not fire up after this and i get error code f29. I did turn the single valve, and heard a noise, but after a good 10 -15 seconds, there was no change in the pressure gauge reading and I stopped in case I made it worse. If not, you should replace the ignition leads as this may fix the problem. To get hot water I have to reset and then run the hot water. Whilst changing these, its worthwhile replacing the `PRV`. Is this normal? I’ve been told by the help desk more than likely it’s going to be the PCB? We have a the ecoTec plus 824. 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. some days ive got hot water and heating and some nothing did you ever get a response to your q as i have exactly same issue and was told it may be a faulty pump? Any idea where to look first? My fiddling with water pressure and trying only show spark but no sustained operation. 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