vokera otion boiler fan running all the time?

If heat is being called for the fan will run.

The fan runs and a pressure switch detects that it's working properly and then the light up process can begin.

The fan may be performing poorly

The pressure switch or a tube to it may be defective

The case seal may be defective

There may be a broken electrical connection to the switch

The control board may be failing to recognise the signal from the pressure switch or failing to activate the next stage in the start up cycle

Peccavi
January 2009