Medium
34 on Ferroli Optimax

Your boiler has temporarily paused because the electrical voltage supplied to it is currently too low for it to operate safely.

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

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

DIY fix possible

Check if there is a local power cut or grid fluctuation in your areaSwitch off and unplug heavy-duty electrical appliances that may be overloading the circuitMonitor the boiler to see if it restarts automatically once the supply voltage stabilizes

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