Interpreting error codes for Ariston boilers

Is your Ariston boiler communicating some issue through error codes? There's no need to sound the alarm. Consider these codes as beacons that light the way through the fog of technical problems. The catalogue of error codes that we've compiled for you covers a wide range of situations, from interruptions in the gas or water flow, to pressure variations or complications with the electrical circuits. While your task is vital, it turns out to be quite straightforward: decipher the error code displayed on your Ariston boiler and follow the recommendations to rectify the situation, in line with the guidelines outlined in this article.

Guide articles to solve Ariston boiler errors

Below we show the most typical and common error codes:

Error 104

We have a problem of low water pressure where the cause can be varied.

Error 108

There is a problem of low water pressure and the boiler remains blocked.

Error 1P4

There is a varied problem but they are all related to the water supply.

Error 3P9

This error tells you that your boiler needs maintenance which you will have to contact technical service.

Error 501

There is a problem with the flame which is preventing the water from heating up.

Error SP1

Here there is not enough gas for the flame to ignite.

SP3 error

We have a problem of gas insufficiency where there have been 3 attempts to turn it on.