While it’s never a good idea to try to fix a damaged boiler on your own – this can be dangerous due to the gas, water, and electricity involved – there are several actions you can take to remedy minor issues. This will keep your heating and hot water working and ensure that you only have to call for a heating engineer when you have a problem you can’t solve.
Check the gas shut-off valve first if your boiler stops operating and you suspect a gas problem. There could be a supply problem if it’s switched on but no gas is flowing. The simplest way to verify this is to ensure that other gas appliances, such as your oven or range, are operational. It’s also a good idea to check in with your neighbours to see if they’re having any issues. You should check with your gas provider to see if there is an issue in your area if you suspect there is a problem with your gas supply.
You will be unable to light your boiler if there is an electrical problem. Most new boilers feature a digital or LCD display; does it seem to be turned on? If not, make sure your boiler is turned on. Check other appliances, like you did with the gas supply, to ensure there isn’t a larger power issue. If there was a brief power outage, your boiler might have reset, so double-check the clock and settings.
Boiler water pressure may fall below or surge beyond the recommended limits at times. Check the pressure gauge on your boiler to see whether this is the reason of your boiler’s malfunction. Modern boilers typically have a pressure setting of 1.0 to 1.5 bar. Your boiler’s manual will teach you how to pressurise or bleed it if it’s under or over-pressurized.
Once you’ve checked all the simple potential problems and you still can’t find the cause of why your boiler stopped working, you’ll need to call a qualified expert to help.
