Low
Burner On on Glow-worm Micron 50FF

Your boiler is working exactly as it should and is currently heating your home or hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

Neon on the control panel lighting up; indicates the burner is alight.

From this model's manual
Verified against the Glow Worm/Glow Worm Micron 50ff installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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All 23 fault codes on the Micron 50FF

Seeing a different code? Every code this model can display, in one place.

Burner LitBurner Lit LEDBurner On neon offIlluminated reset lightLED 1LED 1 (RESET) Constant LightLED 1 Fast Flashing (8Hz)LED 1 Slow Flashing (2Hz)LED 2LED 2 Burner LitLED 2 Fast Flashing (8Hz)NEON1NEON2NEON3NEON4NEON5NEON6Reset LED is litReset lightReset Light / OverheatReset neon is litSoftware Error

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