Low
OUTSIDE SENSOR FAULT on Ideal Concord CXC 48 116

Your boiler has lost the connection to the weather sensor that tells it how cold it is outside, so it may not heat your home as efficiently as usual.

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.

Technical description

Check wiring. Change outside sensor.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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