Unknown
A7 on Worcester Bosch Greenstar 30 CDi System

Worcester Bosch Greenstar 30 CDi System fault code A7

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Hot water NTC sensor defective. Check hot water NTC sensor and connecting lead for circuit breaks/short circuits.

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar 30 Cdi Classic System I S 2012 2014 installation & service manual.
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 fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 11 fault codes on the Greenstar 30 CDi System

Seeing a different code? Every code this model can display, in one place.

A8b1C6E2E9EAF0F7FAFd

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