Why is there no electricity going to my boiler?
Olivia Shea
Updated on February 28, 2026
To stop damaging electrical components in your boiler, manufacturers fit them with a fuse. If there’s a surge of power, the fuse has likely blown, and this will cause your boiler to have no power. Your boiler won’t turn on without a functioning fuse. Change the fuse, and you should get power back to your boiler.
Where is the fuse on my boiler?
Where is the fuse for my boiler? Your fuse box/ board is usually near the entrance of your property, situated high up on a wall or sometimes it could be in a cupboard under the stairs.
Do boilers have internal fuses?
Like other large appliances that consume a lot of electricity, such as electric stoves, boilers will have their own internal fuse or fuses. Sometimes boilers will have multiple internal fuses. These are usually fuse spurs – a small socket, with a red window.
Where is my boiler power switch?
The locations of the switches to a boiler can be found in a number of places including a dedicated switch with a fuse built into that switch plate, called a switch fused spur. The switch fuse Spurs could be located close to the boiler, in an airing cupboard, or close to the fuse box.
Why won’t my central heating turn on?
Check the Pilot Light – A dirty or faulty pilot light is one of the main reasons a gas furnace won’t start. Make Sure Natural Gas Is Flowing into the Furnace – If your furnace won’t start, it may be because the unit isn’t getting any fuel. Simply check the gas control valve to ensure it’s in the “On” position.
How do you reset a Baxi Solo boiler?
To reset the boiler, turn the selector switch to the R (Reset) position. Hold for at least 5 seconds and release. The fault code will be replaced with the boiler’s current temperature. At this point on a neon indicator boiler model, the flame failure light will stop flashing and will be replaced with the burner light.
How do you know if fuse is blown?
Remove the fuse from its holder. In some cases you may need a small screwdriver to unscrew the fuse holder cap. Look at the fuse wire. If there is a visible gap in the wire or a dark or metallic smear inside the glass then the fuse is blown and needs to be replaced.
What uses 3amp fuse?
Plugs for appliances rated up to about 700 watts should have a 3-amp fuse (coloured red). For example: 3A Fuse – Table lamp, standard lamp, television, video, computer, mixer, blender, fridge, freezer, power drill, jig saw, soldering iron.
How do I reset my Baxi boiler?
What to do if your Baxi boiler is not working?
A common culprit for this fault on Baxi boilers is a lack of pressure. If your system is set lower than 1.5 bar then it won’t operate correctly. Now, the quick fix is to top up the pressure using the filling loop. Once you’ve topped up the pressure, you’ll need to reset the boiler.
What are condensate pipes in a Baxi boiler?
Condensate pipes in Baxi boilers (and most other brands) transport the wastewater away from the boiler, straight into the drain outside.
What does it mean when your baxi water pressure is low?
This error code means your water pressure is low. The normal water pressure for a Baxi is between 1.0 and 2.0 bar. You may need to check your gauge and note if the water pressure is less than 1.0 bar. It is not uncommon for boilers to need to be repressurised and in most cases, you can do this yourself.
Why do I see an error code on my Baxi light?
The most common cause for seeing this code is when there is a problem with the electrical supply (PCB lockout error). If your power is running fine to the rest of your house, you will need a registered Baxi engineer to diagnose the fault.