Boiler Fault Codes
Glow-worm
Flexicom sx
Flexicom sx

Boiler model

Glow-worm Flexicom sx Fault Codes

Verified fault-code information for the Flexicom sx range.

Boiler repair help from Aza & Sons Services

Fault-code index

F1 — Flexicom sx
Ignition fault.
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F22 — Flexicom sx
Low water pressure or ignition temperature rise too slow.
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F25 — Flexicom sx
Circulation fault.
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F3 — Flexicom sx
Fan unable to reach ignition speed.
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F5 — Flexicom sx
Overheat fault.
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F77 — Flexicom sx
Condensate pump error (optional).
Read fault code
F9 — Flexicom sx
Low water pressure sensor fault.
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Safety notice

Boiler fault codes are provided for general information only and should not replace the manufacturer's instructions or professional diagnosis. Boilers contain gas, electrical and combustion components. Internal repairs and testing should only be carried out by a suitably qualified engineer. Where gas work is required in the UK, use a Gas Safe registered engineer.