Dry-Fire High

Baxi Dry-Fire Fault Code

Also written as DRYFIRE — same fault.

The Baxi Dry-Fire fault code means: your boiler has detected there is not enough water flowing through it to safely heat up, which has caused it to shut down to prevent overheating.. It appears on 1 Baxi 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: Indicator: Upper LED Off, Middle LED On, Lower LED Flash, Bottom LED Off. System not full of water or pump/flow switch fault.
Typical repair cost £120-350 (including labour)

DIY fix possible

Check the pressure gauge on the front of the boiler or under the sinkIf the pressure is below 1.0 bar, use the filling loop to top it up to 1.5 barEnsure all radiator valves are open and turn the selector switch to reset

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Baxi models that show the Dry-Fire fault code

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

Source

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

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026