Unknown
FF on Worcester Bosch Greenstar Highflow

Worcester Bosch Greenstar Highflow fault code FF

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Fan speed data invalid

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Highflow 550 Cdi 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 70 fault codes on the Greenstar Highflow

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

+D+E+F11C1D1E2$2D2F466+77,7+7C7D7E7F88,8?8@8+8C8D8E8F9+151617181921222425282977788788A7A8CC1C6DD1D3EE+E2E5E8E9EAFF0F1F7NP?PP/PP5PP6P

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