32 Medium

Johnson Starley 32 Fault Code

The Johnson Starley 32 fault code means: your boiler has detected an electrical fault with the sensor that monitors your hot water temperature, which means it cannot safely heat water for your taps.. It appears on 6 Johnson Starley 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: Domestic hot water temperature sensor short circuit
Typical repair cost £90-160 (including labour)

Engineer required

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

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Johnson Starley models that show the 32 fault code

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

Source

Johnson Starley 32 fault code information on this page is sourced and cross-checked against the official Johnson Starley service / installation manuals for each affected model.

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