80 High

Firebird 80 Fault Code

The Firebird 80 fault code means: your boiler's internal control panel has lost communication with the main system, meaning the boiler has stopped working because it no longer knows how or when to heat your home.. It appears on 1 Firebird 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: Unit controller - H-link - RCS transmission error (if no H-LINK, RCS has no power) - No H-link communication for a continuous period of 1 minute between Indoor and Unit controller User control by connection wiring (breaking, wiring error, etc.)
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

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

Gas Safe Register →
Boiler cover options

Avoid the next call-out bill

A cover plan would handle faults like 80: no call-out fees, no surprise bills.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

Firebird models that show the 80 fault code

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

Source

Firebird 80 fault code information on this page is sourced and cross-checked against the official Firebird service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026