Medium
179 on ECA FELiS FL 50 HM

Your boiler's secondary heating zone has reached an unsafe temperature and has shut down to prevent damage.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Heating circuit 2 temperature limiter

From this model's manual
Verified against the Eca Felis Fl 50 Hm installation & service manual, page 61.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that all radiator valves in the second heating zone are fully openEnsure there are no blockages or trapped air by bleeding the radiators in that zoneCheck your system pressure gauge is between 1.0 and 1.5 barReset the boiler using the power button or reset dial

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