Low
Outside Sensor Fault on Ideal Logic Code Combi

Your boiler has lost connection to the sensor that measures the temperature outside, which may cause your heating to be less efficient or unresponsive.

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

Outside temperature sensor fault — reset and contact service

From this model's manual
Verified against the Ideal Logic Code Combi Combi 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.

DIY fix possible

Press the Reset button on the boiler control panel.Check for any obvious damage to the thin wiring leading to the sensor on your external wall.Ensure the sensor is not covered by debris or overgrown garden plants.

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