Baxi Bermuda Fault codes & diagnostics

1 fault code with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.

Regular Natural Gas 10-15 kW 1997-2002 Discontinued
Choose your boiler type

The Bermuda range comes in 6 types

Pick the one you have. The fault codes, GC numbers and manual differ by type.

BBU 15 HE 11 codes · 1 GC number 45/3E 1 codes · 1 GC number 45/3M 1 codes · 1 GC number 57/3E 1 codes · 1 GC number 57/3M 1 codes · 1 GC number Inset 2 50/4 1 codes · 1 GC number
Each model has its own manual A family spans several manuals, one per model or generation. Pick your model above and its page has the manual its fault codes were read from.

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

Fault codes

All 1 documented codes

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128

Your boiler started to provide heat but the flame went out unexpectedly while it was running.

High Engineer only £120-£350 Shared across the Bermuda range

Parts commonly replaced

  • Flame sensing electrode
  • Gas valve
  • PCB
  • Condensate trap

Related codes

Full explanation for 128