Medium
06 on Alpha E-Tec 28

Your boiler is struggling to accurately measure the temperature of the hot water it is attempting to heat for your taps and shower.

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

DHW sensor resistance value is incorrect

From this model's manual
Verified against the Alpha E Tec Regular 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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