LED 5 Low

Myson LED 5 Fault Code

Also written as LED5 — same fault.

The Myson LED 5 fault code means: your boiler is correctly indicating that it has received a request to start the pump for your hot water.. 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 there is a demand for the hot water pump.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Myson models that show the LED 5 fault code

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

Source

Myson LED 5 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