High
1076 on Worcester Bosch Greenstar 8000 Life Regular

Your boiler has lost the connection to a sensor responsible for monitoring the heat, so it has safely shut itself down to prevent overheating.

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.

What the manual says

Manufacturer manual

No signal from the temperature sensor at the heating block available | 1. Replace the temperature sensor. 2. Replace the connecting lead to the temperature sensor. 3. Replace the control unit.

From this model's manual
Verified against the Worcester Bosch Greenstar 8000 Life Regular installation & service manual, page 73.
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 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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