How much does it cost to fix Potterton error code RED & GREEN lights OFF?

Typical repair cost for the Potterton RED & GREEN lights OFF fault is £90-250 including labour.

RED & GREEN lights OFF High

Potterton RED & GREEN lights OFF Fault Code

Q: What does the Potterton RED & GREEN lights OFF fault code mean?

Your boiler has no power, which usually means the electricity supply has been cut off or a fuse has blown inside the unit.

Also written as REDGREENLIGHTSOFF — same fault.

The Potterton RED & GREEN lights OFF fault code means: your boiler has no power, which usually means the electricity supply has been cut off or a fuse has blown inside the unit.. It appears on 2 Potterton models in our database.

Technical description: Mains supply OFF or fuse on electronic control failed

Typical repair cost £90-250 (including labour)

DIY fix possible

Check if your home's main fuse box has tripped a circuit breaker.Ensure the boiler's isolation switch (usually a white switch near the boiler) is turned on.Check if other appliances in the house are working to rule out a power cut.

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Potterton models that show the RED & GREEN lights OFF fault code

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

Source

Potterton RED & GREEN lights OFF 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