102 Low

Ariston 102 Fault Code

The Ariston 102 fault code means: your boiler has lost its connection to the internet or smart control system, meaning you can't control it via the app, although the heating may still work manually.. It appears on 1 Ariston model in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: E-Combi EvoE-System EvoClas He Evo (Combi and system)
Typical repair cost £0-60 (including labour)

DIY fix possible

Check that your home Wi-Fi router is turned on and working.Try restarting your Wi-Fi router and wait five minutes.Reset the boiler's connectivity settings via the display menu.

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Ariston models that show the 102 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ariston 102 fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026