Unknown
Slow flash (normally on, flashes off) on Worcester Bosch Greenstar

Worcester Bosch Greenstar fault code Slow flash (normally on, flashes off)

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Flue overheat

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar Ri System 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 6 fault codes on the Greenstar

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

2 pulses5 pulsesFast flashN/ASlow flash (normally off, flashes on)

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