60-70 (ll-ll) Low

Ariston 60-70 (ll-ll) Fault Code

Also written as 6070LLLL — same fault.

The Ariston 60-70 (ll-ll) fault code means: your boiler has detected that the temperature is low and has automatically turned itself on to circulate water and prevent your pipes from freezing.. It appears on 4 Ariston models 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: Anti-frost mode on (burner and pump in operation)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ariston models that show the 60-70 (ll-ll) fault code

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

Source

Ariston 60-70 (ll-ll) 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