Boiler Fault Codes
Glow-worm
Ultracom hxi

Glow-worm Ultracom hxi Boiler Fault Codes

Verified code information for this boiler range.

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Related boiler models

Ultracom hxi

Fault-code index

F1 — Ultracom hxi
Ignition fault.
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F22 — Ultracom hxi
Low water pressure or ignition temperature rise too slow.
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F25 — Ultracom hxi
Circulation fault.
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F3 — Ultracom hxi
Fan unable to reach ignition speed.
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F5 — Ultracom hxi
Overheat fault.
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F77 — Ultracom hxi
Condensate pump error (optional).
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F9 — Ultracom hxi
Water pressure sensor fault, blocked flow filter or pump 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.