BoilerFaultCodesJohnson Starley 13 Fault Code
The Johnson Starley 13 fault code means: your boiler has disabled the reset button because it was pressed too many times in a short period, likely due to an underlying fault causing repeated lockouts.. It appears on 5 Johnson Starley models in our database.
Technical description: Remote reset lockout. Exceeded 5 remote resets per hour.
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 13 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Johnson Starley 13 fault code information on this page is sourced and cross-checked against the official Johnson Starley service / installation manuals for each affected model.
- Johnson Starley C10d manual (PDF)
- Johnson Starley C16d manual (PDF)
- Johnson Starley C16u manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026