Running lamp flashing Low

Malvern Running lamp flashing Fault Code

Also written as RUNNINGLAMPFLASHING — same fault.

The Malvern Running lamp flashing fault code means: your boiler is currently in a normal waiting period and will start back up automatically in a few minutes.. It appears on 2 Malvern 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: The boiler has a built-in delay timer.
Typical repair cost £0 (including labour)

DIY fix possible

Wait for approximately 3 to 5 minutes for the anti-cycle timer to finish.Ensure the room thermostat is turned up to call for heat.Check that the clock or programmer is set to 'On'.

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Malvern models that show the Running lamp flashing fault code

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

Source

Malvern Running lamp flashing fault code information on this page is sourced and cross-checked against the official Malvern service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 31 August 2026