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Old 12-01-2011, 09:54 PM   #1
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Low humming noise when nordyne ac is off


I have a low humming noise in my nordyne ac unit when the thermostat is off, the person that hooked my unit up told me it was a transformer hum. The unit is about 2 years old, is this normal?

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Old 12-01-2011, 10:54 PM   #2
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Low humming noise when nordyne ac is off


transformer is mounted onto the stell of the unit electrical section wih it humming loosen the mounting screws hear if the sound changescouple of rubber washers with the mounting screws???

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Old 12-01-2011, 10:57 PM   #3
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Low humming noise when nordyne ac is off


Thanks for the reply, so this is not too serious?
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Old 12-01-2011, 11:01 PM   #4
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Low humming noise when nordyne ac is off


I'm from Long Island to transplanted in Florida,thanks for the help.
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Old 12-01-2011, 11:10 PM   #5
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Low humming noise when nordyne ac is off


its just the coil if you walk at night you hear the power pole ones doing the same thing note #3TZ66 local Grainger supply 40 VA 120v/24v check your TR info on it....cost below $15 over the counter for the future if it starts hummin' a different tune...getting ready for a florida winter still warm here..Rock Tree was lit,and its 50F-60F during the day...anything with a coil in it is subject to buzzing harmonics...
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Old 12-01-2011, 11:12 PM   #6
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Low humming noise when nordyne ac is off


Thanks again, grew up in Oceanside.
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Old 12-01-2011, 11:18 PM   #7
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Low humming noise when nordyne ac is off


cool....and that boardwalk down in LB nice .... i'm out in Lindenhurst

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