How to Reset Ariston Boiler Safely – Step-by-Step Guide
If your Ariston boiler has stopped working or shows an error code, there’s no need to panic. In many cases, a simple reset can get it running again. Most Ariston models have a reset button on the front panel, clearly marked with “RESET,” “R,” or a circular arrow symbol. To reset the boiler, press and hold this button for about 5 seconds, then wait for the system to restart.
Here’s a step-by-step guide on how to reset your Ariston boiler safely, with clear instructions that even beginners can follow.
Table of contents
Why Reset an Ariston Boiler?
Your boiler might need resetting due to:
- A power cut
- Low water pressure
- Temporary sensor or ignition faults
- Minor internal glitch
- Air in the system or frozen pipes (after thawing)
Resetting helps clear temporary errors and reboot the system.
Step-by-Step: How to Reset Ariston Boiler
Time needed: 5 minutes
Follow the below steps to reset Ariston boiler
- Locate the Reset Button
Most Ariston boilers have a reset button on the front panel. It may be labeled “RESET”, “R”, or show a circular arrow icon. It’s designed to be easy to access.
- Press and hold for 5 Seconds
Once located, press and hold the reset button for 5 seconds. This is the most important step.
You might hear a click or see the boiler screen flash this is normal. - Wait for Reboot
After you release the button, the boiler will begin its reset cycle. This can take up to 60 seconds. Watch the display screen to see if the error code clears or the flame icon reappears.
- Check Heating & Hot Water
Once reset is complete, try turning on the heating, run a hot water tap. If both work, the reset was successful.
What If the Reset Doesn’t Work?
If your Ariston boiler continues to show the same error after resetting:
- Do not keep pressing reset repeatedly
- This might indicate a deeper issue such as a sensor fault or gas problem
- Contact a Gas Safe registered engineer for a professional inspection
When to Call a Gas Safe Registered Engineer
Resetting can solve minor problems, but if any of the following occur, stop and call a professional:
- Boiler pressure is too high or too low and can’t be adjusted safely.
- The boiler keeps locking out after resets.
- There’s a smell of gas or you suspect a gas leak.
- The reset doesn’t clear the error code.
- There’s no hot water or heating, even after a reset.
Conclusion
Knowing how to reset an Ariston boiler can save you time, money, and frustration. Just press and hold the reset button for 5 seconds, usually found on the front panel, and your boiler may be back to normal. If problems persist, don’t delay call in a professional. Stay warm and safe.
Frequently Asked Questions
If the Ariston boiler fails to ignite, there are several potential causes, which will likely need the assistance of a registered Gas Safe engineer to fix. Common causes for a failed ignition, include the following: Faulty ignition leads. Broken diaphragms or airlocks.
For error 501 in Ariston boilers, restarting the unit is the most basic solution. According to the manual, to reset an Ariston boiler, you simply press the Reset button. You should not exceed 5 attempts within 15 minutes.
To reset your Ariston boiler, you simply need to locate the reset button and hold it down for up to 10 seconds. All boilers will have a reset button but depending on the type of boiler and the make and model, its location might look slightly different.
To switch off the heating mode turn the button 5 in the position . The boiler switches in sanitary mode only.
