Low
B on Baxi Ecoblue18 System ErP

Your boiler has entered a special test or setup mode, which usually happens during a service or when a heating engineer is calibrating the system.

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.

What the manual says

Manufacturer manual

Switch to DHW mode maximum flow & press reset

From this model's manual
Verified against the Baxi/Baxi Wb Baxi Baxi Ecoblue System Installation And Service M 2 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 28 fault codes on the Ecoblue18 System ErP

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

202840109 R110 R111 R117118125 R128130133133 R151 R160 R321384CDEE118FGHIJK

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