How much does it cost to fix Ariston error code 80 ●, red ●?

Typical repair cost for the Ariston 80 ●, red ● fault is £250-450 including labour.

80 ●, red ● High

Ariston 80 ●, red ● Fault Code

Q: What does the Ariston 80 ●, red ● fault code mean?

Your boiler's central control computer is experiencing a communication error, which has caused the system to shut down for safety.

Also written as 80RED — same fault.

The Ariston 80 ●, red ● fault code means: your boiler's central control computer is experiencing a communication error, which has caused the system to shut down for safety.. It appears on 1 Ariston model in our database.

Technical description: Main P.C.B. error

Typical repair cost £250-450 (including labour)

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.

Gas Safe Register →

Ariston models that show the 80 ●, red ● fault code

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

Clas One Repair: £250-450

Source

Ariston 80 ●, red ● 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