Deciphering the Error Codes of Ariston Heaters

If your Ariston heater is displaying error codes, don't worry! These codes serve as beacons in a sea of technical challenges. We've put together a comprehensive code guide that addresses everything from water or gas supply interruptions to pressure imbalances and electrical issues. Regardless of how complicated they might seem, your role is straightforward: pinpoint the code your Ariston heater is showing and follow the solutions we suggest in this article.

Descriptions of error codes on Ariston heaters

These are the most common errors:

Error 70

There is some problem on the electronic board created by several possible causes.

Error A1

We have a problem with the gas that causes the flame not to light.

Error A3

There is a problem with the smoke pressure switch and it is very serious and can cause poisoning or even a fire.

Error A4

We have a problem with the smoke pressure switch which is not working well and for safety reasons has blocked the heater.