Medium
27 on Daikin EKOMB 22 Combi

Your boiler has lost connection with the sensor that measures the temperature outside, which may cause your heating to behave unpredictably.

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

Short circuit outdoor sensor

From this model's manual
Verified against the Daikin Ekomb 22 Combi installation & service manual, page 47.
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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