80 Emergency

Warmworld 80 Fault Code

The Warmworld 80 fault code means: your boiler is detecting an issue with the air intake or exhaust ventilation system that prevents it from burning fuel safely.. It appears on 1 Warmworld model in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: High & Low 230 cm²
Typical repair cost £150-300 (including labour)

Engineer required

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

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Warmworld models that show the 80 fault code

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

Source

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

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