High
1010 on Worcester Bosch Greenstar 8000 Life

Your boiler's electronic control panel has lost its connection, meaning the main brain cannot communicate with the rest of the system to turn on your heating or hot water.

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

No BUS communication. Cable for EMS-Bus is not correct connect or damaged.

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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