Medium
JP9 on Vokera Linea 24

Your boiler's internal settings have become confused due to a misplaced internal electronic pin, which is preventing the heating system from switching on correctly.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

C/H Delay Timer jumper

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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