How much does it cost to fix Potterton error code Lock Out After 15 Seconds?

Typical repair cost for the Potterton Lock Out After 15 Seconds fault is £150-300 including labour.

Lock Out After 15 Seconds High

Potterton Lock Out After 15 Seconds Fault Code

Q: What does the Potterton Lock Out After 15 Seconds fault code mean?

Your boiler is lighting, but it cannot confirm the flame is stable, so it shuts down for safety reasons to prevent fuel from building up.

Also written as LOCKOUTAFTER15SECONDS — same fault.

The Potterton Lock Out After 15 Seconds fault code means: your boiler is lighting, but it cannot confirm the flame is stable, so it shuts down for safety reasons to prevent fuel from building up.. It appears on 1 Potterton model in our database.

Technical description: Burner Starts, Flame Established But Goes To Lock Out After 15 Seconds

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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Potterton models that show the Lock Out After 15 Seconds fault code

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

Statesman Repair: £150-300

Source

Potterton Lock Out After 15 Seconds fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

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