Low
345 on ECA FELiS FL 50 HM

Your boiler is reporting a connection issue with an optional solar-powered swimming pool heating add-on that does not appear to be installed or is not communicating correctly.

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

Solar enj. control element swimming pool K18 missing

From this model's manual
Verified against the Eca Felis Fl 50 Hm installation & service manual, page 62.
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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