Worcester 30 CDi fault

NavMan | 09:12 Mon 18th Aug 2008 | Home & Garden

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What does the fault code "d3" mean on a Worcester 30 CDi?

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model: classic lxff & ff

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gasman

I can not even find the d3 fault code even in my CDi Service Booklet for Engineers so Not 100% sure, but on the other Worcester boilers it typically signifies that the Terminal block is defective or The PCB control board is damaged.

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