The majority of UK households rely on gas combi boilers to provide hot water and heating. While they are efficient and cost-effective, they are known for being highly reliable. However, being the equipment is used all day, seven every day of the week, it’s inevitable that at times problems could occur. A problem that can be especially frustrating is when heating is functioning but there’s no hot water, or you have hot water, but the boiler isn’t providing heat to your residence. Find out more about the most common causes of this issue and how to handle these issues.
1. Make sure you have power, gas , and water
The first step to solve issues that arise with your furnace is to begin by identifying the most common causes. Before you do anything else it is crucial to ensure that your boiler is working properly. Start by checking the control panel for your boiler. When you’ve got a display that’s digital monitor and there is nothing to be seen it could be because there is no electricity to the boiler because of an interruption in power. Try turning on your light and sockets in order to quickly verify or resolve a problem in the supply of power. Also, make sure that all the fuses inside your box of fuse are placed in proper place.
Similar to that it is essential to confirm that you have both water and gas. This can be verified by turning on a faucet and then switching on another gas appliance, such as your cooker.
If you’ve done each of these, and are satisfied that your power, gas and water supply is functioning, then it’s time to look for problems.
2. Do you see a fault code being displayed?
A lot of boiler issues will cause a fault code being displayed on the control panel. If you have your operating manual it is the ideal location to find out what the fault code on your boiler is indicating.
Be aware that boiler fault codes are different between boilers. If you are unable to find an explanation for your fault code or aren’t it is not specified in the manual it is possible to call an Gas Safe engineer for assistance.
3. Verify the boiler’s controls.
If you’re still experiencing no heating or hot water after following the above steps You will need to ensure that your boiler’s settings are correct. The boiler has separate controls for turning on the heating as well as hot water. It’s possible that the heating or hot water may be turned off accidentally or the setting has been accidentally altered.
Verify the timer
Certain boilers could contain a timer for controlling heating. If your boiler’s timer regulates your hot water and is not working, it could be the reason for the issue. The timer could have been affected by change in clocks, the battery backup batteries, power supply malfunctioning, or someone altering the settings without your knowledge. Modifying your timer can fix the issue.
Make sure you check the thermostat.
The temperature of your heating is typically controlled by thermostats. Most boilers is a dial that can be manually that is mounted on the wall of the main living space or in the hall. The latest boilers can be equipped with thermostats that are digital. Make sure that the thermostat hasn’t been set incorrectly to off. Change the temperature to the higher temperature , with the timer turned on and then check whether the boiler is able to start. If it isn’t responding then there could exist a issue with your thermostat. This may require the attention of a qualified engineer.
4. Verify the valve that diverts your flow.
If you’ve eliminated any other possible causes mentioned above, but there is still there is no hot water, or the boiler’s heating is not functioning however the water is working, then it’s possible that you are having issues to the diverter valve. It’s an open valve that closes to supply warmth to radiators, or to heat the water.
If your heating is functioning but you’re experiencing heating, however no hot water, or the reverse, it’s likely to be stuck. You’ll need to talk to an Gas Safe engineer to solve any issue with the diverter valve.
The boiler is functioning, however I don’t have heating or hot water.
If you’ve followed the step 1 to 4 above but you still are not experiencing hot water or heating, it’s likely that you have a problem in a part that needs attention from an experienced engineer. We suggest that you get your boiler checked at the earliest opportunity.