Medium
F-15 on Johnson Starley J32 System ET

Your boiler has been manually reset too many times in a short window, causing the system to lock itself out for safety.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

Reset occurred 5 times within 15 minutes

From this model's manual
Verified against the Johnson Starley J32 System Et installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Turn the electrical power supply to the boiler off at the fused spur switch.Wait for at least 20 minutes without touching any buttons to allow the internal timer to clear.Switch the power back on and see if the boiler resumes normal operation without further resets.

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