High
36 on Halstead Dimplex Combi

Your boiler's electronic command chip is failing to communicate with the main control board, preventing the system from firing up safely.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

BCC Error / No flame - Damaged BCC (BCC’s only fitted to replacement PCB’s)

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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