I am concerned because my 3-year-old son has started to stutter. Q: I am concerned because my 3-year-old son, who until recently had great language skills and talked really clearly, has started to stutter.
Intermitant motors should be replaced. From experience, relays and transformers rarely go out. It is usually the motor that burns out and it usually does so quickly when at life's end. Take the time to check all of your wire connections-hours can be spent diagnosing a vacuum only to find out it was a bad connection.ntermitant motors should be replaced. From experience, relays and transformers rarely go out. It is usually the motor that burns out and it usually does so quickly when at life's end. Take the time to check all of your wire connections-hours can be spent diagnosing a vacuum only to find out it was a bad connection.
1 Loose or broken belt. 2  In older systems with belt-powered fans, the belt can get loose or break and cause the fan to stop spinning properly. 3  This can be repaired, but itâs often a good sign that itâs time for a new air conditioner since you likely have an older and less efficient system.4  Unit not receiving power. A bad fan motor is a more serious issue that will either require professional repairs or a system replacement, depending on the age and condition of your system. 2  Loose or broken belt. 3  In older systems with belt-powered fans, the belt can get loose or break and cause the fan to stop spinning properly.