Medium
F52 on ECA Proteus Premix 24 HCH

Your boiler is having trouble measuring the temperature of your hot water, which usually means it cannot heat water for your taps and showers.

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

Error on Temperature Sensor for DHW - Temperature sensor for domestic water might be defective.

From this model's manual
Verified against the Eca Proteus Premix 24 Hch installation & service manual, page 39.
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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Related fault codes

F50View →F51View →F53View →

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