32 Medium

Alpha 32 Fault Code

The Alpha 32 fault code means: your boiler is having trouble communicating with the temperature sensor for your secondary heating area, which may cause that part of your home to not heat up correctly.. It appears on 3 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: Low temperature zone 2 sensor fault
Typical repair cost £120-200 (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 32 fault code

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

Source

Alpha 32 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 31 August 2026