Unknown
A.02.54 on Baxi 424 COMBI 2.1

Baxi 424 COMBI 2.1 fault code A.02.54

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Open Therm bus power supply error

From this model's manual
Verified against the Baxi/Baxi 400 Combi 2 Baxi400 Comni 2 1 Installation Manual Pdf 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 65 fault codes on the 424 COMBI 2.1

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

254A.00.28A.00.29A.00.34A.02.06A.02.18A.02.36A.02.37A.02.45A.02.46A.02.48A.02.49A.02.55A.02.76E.00.04E.00.05E.00.16E.00.17E.00.20E.00.21E.01.04E.01.12E.01.17E.01.20E.02.13E.02.17E.02.35E.02.39E.02.47E.04 | .54E.04.01E.04.02E.04.03E.04.08E.04.10E.04.12E.04.13E.04.17E.04.18E.04.23E.04.29E.04.54E.04.254H.00.42H.00.81H.01.00H.01.05H.01.08H.01.14H.01.18H.01.21H.02.00H.02.02H.02.03H.02.04H.02.05H.02.07H.02.09H.02.10H.02.70H.03.00H.03.02H.03.05H.03.54

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