Low
1068 on Worcester Bosch 1000

Your boiler is struggling to read external data needed to adjust its settings, which may cause your heating to run less efficiently than 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

Outside temp. sensor or lambda probe faulty

What causes this fault?

Sensor failure

Engineer required

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

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