CC.. Low

Ariston CC.. Fault Code

Also written as CC — same fault.

The Ariston CC.. fault code means: your boiler is operating normally and is currently firing up to heat your radiators or provide hot water.. It appears on 3 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: Heating, burner on

Engineer required

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

Find a Gas Safe engineer

Search the official register for a qualified engineer in your area.

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Ariston models that show the CC.. fault code

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

Source

Ariston CC.. 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