What does the Ariston 5 P4 fault code mean?

Your boiler has attempted to start three times but failed to keep its flame alight, so it has locked itself out for safety reasons.

How much does it cost to fix Ariston error code 5 P4?

Typical repair cost for the Ariston 5 P4 fault is £120-250 including labour.

3 fl ame cut-off s detected in one cycle

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Lockout fault with a reset-needed pattern.

Older boilers — thermocouple, draught, gas supply.

7 signs repair isn't worth it anymore.