I was told this is a form of self maintenance check it does? Our troubleshooting tool is designed to help you identify an issue with you boiler. The boiler is switching itself off due to in-built safety mechanisms – if it did not shut down, then the boiler could overheat. Note that the overall cost will depend on the installer and boiler model you choose to buy. Thermostat setting. It seems to lose no more pressure when in red. So, you can set it to switch off at, say, 11 p.m. every night and come on at 7 a.m. every weekday (and 8 a.m. at weekends). If you have a Baxi boiler leaking, a Vaillant boiler leaking, Ideal boiler leaking or a Worcester Bosch boiler leaking from the bottom then if you have a warranty you are in luck. For some reason the boiler comes on on its own throughout the day/night and wastes gas. Every now and again it fires up unexpectedley for about 30 seconds and the gas green LED lights up - so obviosuly using gas. There are many possible reasons why a boiler won’t ignite, leaving your home without central heating. We currently have a pay as you go gas card and it s not paid direct debit. How do we check this? My Worcester boiler never locks even though the pressure gauge goes to almost zero when cool. It was on 10am this morning for some reason and was on again 3pm. By answering some simple questions we hope to be able to help you diagnose the problem and provide you with the solution and advice you need to get your system back to normal. Fortunately, there are a few simple checks you can make that could get your boiler firing up again in no time. All modern boilers come with a timer on them, usually on a separate panel that’s wired up to the boiler itself. If the boiler keeps shutting off, it could be due to closed valves, air caught in the system or a broken pump. Is this correct. You shouldn’t have to pay a penny for them to come out and fix your boiler. Just a quick one, we have a Worcester Bosch Greenstar 27CDi combi condensing boiler. You can set the on and off times for every day of the week. There's an alternative of pressing an Eco button and leaving it on that setting which means it will stop regularly turning itself on but will take longer to get hot when you run a tap. One day it started firing up at 3 o'clock in the morning. We recently moved in to a new house which has a Baxi boiler. my worchester bosch greenstar is 5 years old. The gauge just makes the green 1 bar every time it’s on. never ha d any issues,however the heating is coming on overnight roundabout 2-4 am, it is not cold enough to come on and has never been set to come on at these times ,when trying to get it off it takes ages but after an hour it kicks back on again, we have rechecked thermostat times and set degree lower but this keeps happenning, any ideas My Combi boiler is like PigletJohn describes, so it sometimes turns itself on so there is always instant hot water. Hassle Free Boilers prides themselves in offering UK households different types, and models of Worcester Bosch controls. If I fill it to green when cool, that only last a day and then sinks slowly to red and happily starts up. We will get up next time. It is weird. Last night we got over it by setting the off temp to 10 degrees which worked. This can happen any time throughout the day and night, and you can hear the system kicking in. The boiler isn't set to per heat the water it's set to off as we do not need pre heat we just demand the hot water. If there is air in the system, then … Can anyone tell me why my central heating comes on by itself: the radiators get hot and stay hot for around 1-3 minutes then the system turns back off again. Worcester Bosch come highly recommended due to their extended warranties. If the room is at a higher temperature than the thermostat is set to then the central heating won’t come on. We have not got up to check the other rads or the timer but the bedroom one does come on. Common broken boiler problems (with free and easy fixes) There are a variety of reasons why your boiler may not be working; common examples include the boiler pressure being too low or too high, a power cut, gas supply issues, a faulty pilot light, a frozen condensate … Which worked a separate panel that ’ s wired up to check the rads. 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