0A37 Medium

Alpha 0A37 Fault Code

The Alpha 0A37 fault code means: your boiler is experiencing a generic system error that is not linked to a specific recognized fault, often indicating a temporary electronic hiccup.. It appears on 2 Alpha models in our database.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description: Not used
Typical repair cost £90-180 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Alpha models that show the 0A37 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Alpha 0A37 fault code information on this page is sourced and cross-checked against the official Alpha service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026