Unknown
Air Flow Device on Worcester Bosch 25Si LPG

Worcester Bosch 25Si LPG fault code Air Flow Device

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

The domestic water demand indicator will flash (approximately five times per second).

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar 25si 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 7 fault codes on the 25Si LPG

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

Air Pressure FaultBurner LockoutIgnition LockoutOverheat Cut-offPrimary OverheatSensor Fault

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