LED 6 Low

Myson LED 6 Fault Code

Also written as LED6 — same fault.

The Myson LED 6 fault code means: your boiler is currently going through its normal startup process to ignite the burner and get your heating or hot water working.. It appears on 3 Myson models in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: On when the main board calls upon the full sequence control board to light the main burner and turn on the fan (speed selection depends on LED 3).

DIY fix possible

No action required; this is a normal operational indicator.Monitor the boiler to ensure it completes its startup sequence.If the LED remains frozen or the boiler fails to fire, try a manual reset.

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Myson models that show the LED 6 fault code

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

Source

Myson LED 6 fault code information on this page is sourced and cross-checked against the official Myson service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026