Ask Experts Questions for FREE Help !
Ask
    jellinmomma's Avatar
    jellinmomma Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 23, 2007, 05:30 AM
    Central Heating Fan
    My Central units fan just hums most of the time. Only set on heat. If I have the cooling on, it runs fine. But if I turn on the heat, it just hums, sounds stuck. Most of the time I can get it going by switching from AUTO to ON (for the FAN), can someone please help:confused:
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 23, 2007, 06:42 AM
    You have a multispeed motor. Sounds like the winding for the lower speed tap is defective. Pull the motor and take to a motor repair shop to get a accurate determination of condition.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Central Heating Fan Continues To Run [ 2 Answers ]

My Central Heating and Air unit just started having this problem. The fan will not turn off unless I cut the power completely off manually. Everything works normal by the thermostat except the fan. When I have the thermostat set on auto fan, the fan speed slows down and when I switch it to on, it...

Central Heating Programmer [ 1 Answers ]

I have an ST6400C Programmer which I think is malfunctioning. Quite simply, the heating will not come on unless it coincides with the time that the hot water is on. Thus, as our hot water goes off at 8pm, we cannot heat the house unless I manually override the hot water settings, and swith the hot...

Gas Central Heating [ 1 Answers ]

When we switch on just the hot water control the hole system comes on i.e. (Hot water and heating together) and you cannot cotrol the temperature from the thermostat.

Central Heating [ 8 Answers ]

Im not sure my central heating is working fine. I bought a new home and I have lived there about 2 yrs but I rarely used my central heating (long enough) over this time. Recently I used my central heating long enough (over 3 hrs) and noted that while the heating is good initially, the air looses...

View more questions Search