Why does my fan blower not come on?
Why does my fan blower not come on? If it does not come on then you might have a control board fan relay that is not sending 120 volts to the blower motor or a bad blower motor winding. You might try to change wires (speeds) on the blower motor to see if that fixes the problem. What happens when a central air blower does not start? The blower motor starts, turning fan blades that circulate cold air from the evaporator coils, through the home’s ductwork and into each room. If the blower motor fails to start, nothing happens. The...