Medium
46 on Ferroli Optima 201

Your boiler has detected a temporary temperature spike and has safely paused itself to let the internal parts cool down.

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

Temporary shutdown fault - resets automatically as soon as the value comes back within the boiler’s normal working range

From this model's manual
Verified against the Ferroli Optimax 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

Check that all radiator valves are open to ensure water flowMonitor the boiler to see if it restarts automatically once cooledIf the fault persists, try a manual reset of the applianceCheck if the system pressure is between 1 and 1.5 bar on the gauge

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