Boiler Breakdown Checklist
Our Boiler Breakdown Checklist could help save money before requesting an engineer call-out.
A boiler breakdown can be frustrating, especially during colder months. Before you call in a professional, read through our Boiler Breakdown Checklist for the checks you can carry out yourself. These steps may help you get your heating and hot water back up and running without the need for an engineer.
What to Do Before Calling an Engineer
If you’ve tried the steps outlined on this page and still have no luck, Aura Retrofit is here to help.
We provide expert support for boiler issues, and if you’re thinking about upgrading to a more energy-efficient heating system, Aura Retrofit offers a free property assessment to explore renewable heating options for your home.

Boiler Breakdown Checklist – Step 1
Check the Power Supply
One of the first things to check is whether your boiler is receiving power. Sometimes, a simple electrical issue is the cause of the breakdown. Look at your fuse box to see if a circuit breaker has tripped or if a fuse has blown. If so, reset the breaker or replace the fuse carefully.
If your boiler has a power switch, ensure it’s turned on. In some cases, recent electrical work or a power cut may have caused the boiler to turn off. If the power supply is active and your boiler still isn’t responding, you may need to investigate further or seek professional help.

Boiler Breakdown Checklist – Step 2
Press the Reset Button
Many modern boilers feature a reset button that can resolve minor faults. This button is usually located on the front panel of the boiler. Press and hold it for a few seconds, then wait to see if the boiler restarts.
If you’re unsure where to find the reset button or how long to press it, refer to your boiler’s user manual. Keep in mind that if your boiler keeps needing to be reset, it could indicate a deeper issue that requires professional attention.

Boiler Breakdown Checklist – Step 3
Inspect your Heating Controls
Your boiler relies on heating controls such as timers, thermostats, and programmers to function correctly. If any of these settings have been adjusted, it might stop the boiler from turning on.

Boiler Breakdown Checklist – Step 4
Confirm Your Gas Supply
If you have a prepaid gas meter, check that you have enough credit. A depleted balance can stop your boiler from receiving the gas it needs to function.
Additionally, after topping up your meter, you may need to press the reset button on the gas meter to allow gas to flow back into the system. If your gas supply has been interrupted due to an issue with the network, you may need to contact your gas supplier for assistance.
Warning: If you smell gas or suspect a gas leak, do not attempt to reset your boiler. Open windows for ventilation and call the National Gas Emergency Helpline on 0800 111 999 immediately.

Boiler Breakdown Checklist – Step 5
Check Your Boiler’s Pressure
If you have a combi boiler, the system requires a certain level of water pressure to function properly. If the pressure is too low, your boiler might shut down as a safety precaution.
To check the pressure:
If your boiler frequently loses pressure, this could indicate a leak somewhere in the system, which will require professional repair.

Still Having Issues?
Aura Retrofit can help!
If you’ve gone through this checklist and your boiler still isn’t working, it’s time to call in the experts. At Aura Retrofit, we provide reliable boiler repairs and heating solutions to keep your home warm and comfortable.
Are you considering a more energy-efficient heating upgrade? Our sister company, Aura Retrofit, specialises in renewable heating solutions such as Air Source Heat Pumps (ASHP) and Solar PV systems. Book a free property assessment today to explore how you can make your home more efficient and reduce your energy bills.
📞 Contact us today on 02392 252171 for expert assistance.
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