70 ❍, 80 ❍, yellow ❍ High

Ariston 70 ❍, 80 ❍, yellow ❍ Fault Code

Also written as 7080YELLOW — same fault.

The Ariston 70 ❍, 80 ❍, yellow ❍ fault code means: your boiler is struggling to talk to its internal control system, which prevents it from safely igniting or providing heating and hot water.. It appears on 1 Ariston model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Communication error
Typical repair cost £150-300 (including labour)

Engineer required

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

Find a Gas Safe engineer

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Ariston models that show the 70 ❍, 80 ❍, yellow ❍ fault code

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

Source

Ariston 70 ❍, 80 ❍, yellow ❍ 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