Low
1027 on Worcester Bosch Greenstar 8000 Style

Your boiler has lost the connection to a sensor responsible for monitoring the temperature of your hot water supply, which may affect its ability to keep hot water ready for instant use.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

DHW pre-heat kit inlet sensor is disconnected

Engineer required

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

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