Halstead Hot Water LED (Green) Fault Code
Also written as HOTWATERLEDGREEN — same fault.
The Halstead Hot Water LED (Green) fault code means: your boiler is currently operating normally as it heats the water for your taps and shower.. It appears on 1 Halstead model in our database.
Technical description: Boiler is in DHW mode.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Halstead models that show the Hot Water LED (Green) fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Halstead Hot Water LED (Green) fault code information on this page is sourced and cross-checked against the official Halstead service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026