Low
Sr on Alpha E-Tec 20NXS

Your boiler is simply displaying a routine reminder that it has been a year since its last service.

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

Service reminder: Service reminder count down (0 - 36 months) has reached zero

From this model's manual
Verified against the Alpha/Alpha E Tec Nxs 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 29 fault codes on the E-Tec 20NXS

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

010203040506081012151620232429313738434547516061707576n

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