Common underlying causes include:
- A leak in the heating system
- A pump fault
- A faulty electric part
- A blocked plate heat exchanger
- An old or worn out component
- Low pressure
- Overheating
- Insufficient air intake from the flue
- Boiler ignition problems
Why does my boiler keep shutting down?
Before resetting your boiler, you will need to address the fault that caused the lockout. If you don’t do this, you may find that you have to keep resetting the appliance - and you risk doing potentially serious damage to it. If you think you’ve fixed the problem but your boiler still keeps shutting down, it’s likely that you have an ongoing fault.
Does your boiler need constantly resetting?
Constantly resetting your heating system is a real nuisance and hiring a qualified engineer every time your boiler shuts off is not feasible. Here we will explain why your boiler could need constant resetting and what you can do to fix that issue.
What are the common causes of a boiler failure?
Common underlying causes include: 1 A leak in the heating system 2 A pump fault 3 A faulty electric part 4 A blocked plate heat exchanger 5 An old or worn out component 6 Low pressure 7 Overheating 8 Insufficient air intake from the flue 9 Boiler ignition problems
How do I Reset my boiler to default settings?
If you can't see the button, then check the manual that came with your boiler, which should also explain how to reset the boiler. In most cases though, once you've found the reset button you will need to: Push the button and hold if for up to 10 seconds Wait for the boiler to ignite (this could take several minutes)
How many times can you reset a boiler?
Call a professional If you have tried to reset the boiler three times, and it still hasn't restarted, then you probably have a fault with the boiler. You should call a gas engineer in to diagnose and repair the underlying fault.
Why does my boiler keep losing pressure and turning off?
There are two main problems that typically cause a loss of pressure - water escaping somewhere in the system or a failure of the expansion valve and resulting damage to the pressure relief valve.
Is it safe to reset boiler?
If your heating isn't coming on and you've checked the power supply and pressure you may need to reset the boiler. It's a very simple and safe thing for you to do in your own home.
Can a boiler lose pressure without a leak?
Boiler Losing Pressure, No Leak In 99% of cases, a boiler losing pressure means a leak — it's as simple as that. Unless the dial sits at 0 even when topped up (which could be a sign of a faulty pressure gauge), there's a leak somewhere – even if you can't see it in the boiler or the heating system.
Why is my boiler not holding pressure?
If your boiler pressure reads less than 1 bar, you might have lost water from the system. This will need to be replaced and is where that filling loop comes in again. If the pressure gauge is above 2.75 bar then that's a sign of a high pressure boiler. You'll need to bleed a radiator to bring the level down to 1.5 bar.
Can a boiler explode?
Can a boiler explode? Well, yes. It can be very dangerous so ensure you call someone out as soon as possible if your boiler is overheating.
Should I turn my boiler off if it has a fault?
If you spot a boiler leak you should switch off your boiler to make sure the electrics don't short circuit and to stop water damage in your home. Don't try and fix it yourself, get a professional Gas Safe engineer to deal with it.
Why does my Worcester boiler keep cutting out?
There can be a number of reasons why your Worcester boiler keeps cutting out. It may be because of a faulty component, a drop in water pressure, or due to overheating. This lockout is designed to protect the overall system. Our engineers can quickly identify the issue and apply a cost-effective resolution.
How do I find a leak in my boiler system?
1:483:22How to Find a Central Heating Leak With Your Eyes Closed - YouTubeYouTubeStart of suggested clipEnd of suggested clipEven if the boiler is sealed as i usually are or you go outside you can smell that perfume comingMoreEven if the boiler is sealed as i usually are or you go outside you can smell that perfume coming out through the flue pipe. And that means that you've got a leak in your heat. Exchanger.
Why is my boiler losing pressure every day?
What Causes a Boiler to Lose Pressure and How to Fix It? There are many reasons behind a boiler losing pressure. They can range from a faulty pressure relief valve, recently bled radiators, a problem in the expansion vessel, to a huge leak in the actual pipework.
How often should a boiler lose pressure?
Ideally, you shouldn't need to top up your boiler pressure very often. But if the pressure drops more than once or twice a year, check all visible pipes for signs of water leaks. You might also find green deposits near joins in copper pipework, or stains on the skirting boards or ceilings.
Can air in radiators cause pressure drop?
More uncommon, but if too much air or gas is being generated in the central heating system, it will escape from the air vent and cause a pressure loss.
What happens if you reset your boiler?
If you find that you keep having to reset your boiler, it’s likely that there could be a fault with your heating system. This fault could eventually lead to a more serious issue such as a boiler breakdown, so it’s best to seek out a solution as soon as possible.
How can I tell that my boiler needs resetting?
Usually, when modern boilers need resetting they will display a fault code or begin to flash a red or green light. These signals indicate that your boiler senses a problem, which is why it has stopped working and needs to be reset.
How do I reset my boiler?
The way in which you reset a boiler may vary depending on different boiler brands and models. For instance, the way in which you conduct a Worcester Bosch boiler reset may differ to the process for resetting a Vaillant boiler. You should refer to your user instructions for exact guidance.
How to tell if boiler is reset?
Hold the reset button for 3 seconds before releasing – You should be able to tell if your boiler has been reset properly as it will usually display a flashing green light. If a fault code is still showing or the red light continues to flash, we recommend that you contact a Gas Safe registered engineer for assistance as there may be another problem.
What happens when a boiler shuts down?
A boiler lockout happens when your boiler shuts down due to an issue within the system. Resetting your boiler is usually the first solution for a lockout. However, you must bear in mind that this will not solve the underlying issue with the boiler, you will need assistance from a qualified engineer.
Why do I have to keep resetting my boiler?
Before resetting your boiler, you will need to address the fault that caused the lockout. If you don’t do this, you may find that you have to keep resetting the appliance - and you risk doing potentially serious damage to it.
Why does my boiler keep shutting down?
If you think you’ve fixed the problem but your boiler still keeps shutting down, it’s likely that you have an ongoing fault. This could be something like a broken pump, a leak somewhere in the system, an electrical issue or a blocked heat exchanger.
How to reset a fuel pump?
Then you’ll need to locate the bleeder valve on the fuel pump. This valve will have a hex nut on it. Attach some rubber tubing to the valve, with the end of the rube resting in a container to catch the oil. Then loosen the nut with a wrench until it’s finger tight. At this point, you can hit the reset button on the unit controller.
How long does it take for a boiler to reset?
Bear in mind that, depending on the particular boiler you have, you might need to press and hold the reset button for a number of seconds. Your boiler should then fire up. Most modern appliances go through a reset sequence, which can take several minutes. If your boiler doesn’t come on again, you’ll need to call an engineer in to find out what ...
How to reset boiler?
How to reset a boiler. Your first step should be to check your boiler to see which fault code is being displayed. Depending on the nature of the problem, you may be able to fix it yourself. For example, if the shutdown was caused because the pressure in the system was too low or high, you might be able to adjust the pressure yourself.
Why does my boiler shut off?
For example, your boiler might shut off because of a fault that prevents it from working effectively or safely. In cases like this, it’s useful to know how to restart the appliance so that you can get your heating and hot water back.
Why does my gas boiler stop working?
If your gas boiler suddenly stops working, it’s natural to assume that there’s a problem with the appliance itself. However, it’s important to realise that sometimes this happens because of an issue with the fuel supply. You can check if there’s a problem with your home’s gas supply by trying to turn on a gas fire or hob.
What causes a boiler to need to be reset?
A boiler that needs resetting on a regular basis probably has an ongoing fault within the system, such as: A faulty pump. Leaking from the system. A blocked plate heat exchanger. An electric part of appliance needing to be replaced.
How to tell if boiler has reset?
If the boiler hasn't reset then you should contact a qualified engineer who will be able to locate the fault.
Why has my boiler locked out?
There are many reasons why your boiler might have shut itself down but some issues are more common than others.
How to reset a boiler?
All boilers have a reset button but where it's located on the appliance will vary from model to model. If you can't see the button, then check the manual that came with your boiler, which should also explain how to reset the boiler. In most cases though, once you've found the reset button you will need to: 1 Push the button and hold if for up to 10 seconds 2 Wait for the boiler to ignite (this could take several minutes)
How to get boiler working again?
To get the boiler working again it will need to be reset but before doing this the fault will need to be found and repaired. If you're seeing an error code but aren't sure what it means, you can find out by using our error code guides. Just find the manufacturer of your boiler to discover what the error code means.
How to reset a boiler if you can't see the button?
If you can't see the button, then check the manual that came with your boiler, which should also explain how to reset the boiler. In most cases though, once you've found the reset button you will need to: Be careful not to press the button several times as this could lead to the boiler requiring an expensive repair.
Why is a heat exchanger called a kettle?
It’s given this name because the blockage can make sounds similar to a kettle.
