High
1073 on Worcester Bosch Greenstar 8000 Life System

Your boiler has lost the ability to accurately measure the temperature of the water flowing through the system due to a faulty electrical connection.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Short circuit of the flow temperature sensor

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

1074View →

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