How much does it cost to fix Potterton error code Main burner does not light?

Typical repair cost for the Potterton Main burner does not light fault is £150-300 including labour.

Main burner does not light High

Potterton Main burner does not light Fault Code

Q: What does the Potterton Main burner does not light fault code mean?

Your boiler is failing to ignite the main flame, which means you currently have no heating or hot water because the system cannot generate the heat needed.

Also written as MAINBURNERDOESNOTLIGHT — same fault.

The Potterton Main burner does not light fault code means: your boiler is failing to ignite the main flame, which means you currently have no heating or hot water because the system cannot generate the heat needed.. It appears on 1 Potterton model in our database.

Technical description: Does burner light? Check 240v +/- 10% between electronic control T2 and T6

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 Main burner does not light fault code

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

Profile 30E Repair: £150-300

Source

Potterton Main burner does not light 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