How much does it cost to fix Halstead error code E28?

Typical repair cost for the Halstead E28 fault is £120-250 including labour.

E28 High

Halstead E28 Fault Code

Q: What does the Halstead E28 fault code mean?

Your boiler has locked itself out because the reset button has been pressed too many times in a short window, often because an underlying problem hasn't been fixed.

The Halstead E28 fault code means: your boiler has locked itself out because the reset button has been pressed too many times in a short window, often because an underlying problem hasn't been fixed.. It appears on 6 Halstead models in our database.

Technical description: Successive resets error (too many resets in a short period)

Typical repair cost £120-250 (including labour)

Engineer required

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

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Halstead models that show the E28 fault code

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

Source

Halstead E28 fault code information on this page is sourced and cross-checked against the official Halstead service / installation manuals for each affected model.

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