How much does it cost to fix Potterton error code RED LED on continuously?

Typical repair cost for the Potterton RED LED on continuously fault is £120-250 including labour.

RED LED on continuously High

Potterton RED LED on continuously Fault Code

Q: What does the Potterton RED LED on continuously fault code mean?

Your boiler has detected a failure and stopped working as a safety precaution, likely because it has overheated or is receiving an incorrect signal from your thermostat.

Also written as REDLEDONCONTINUOUSLY — same fault.

The Potterton RED LED on continuously fault code means: your boiler has detected a failure and stopped working as a safety precaution, likely because it has overheated or is receiving an incorrect signal from your thermostat.. It appears on 5 Potterton models in our database.

Technical description: Indicates a fault condition, possibly related to overheat or external controls

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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Potterton models that show the RED LED on continuously fault code

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

Source

Potterton RED LED on continuously 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