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View Full Version : Outside air unit fan


carolc4
Jun 7, 2009, 09:31 AM
My outside unit fan stays on when the inside air clicks off the fan stay on outside and ice forms on the coils when this happens,while air is running inside it is fine

hvac1000
Jun 7, 2009, 12:57 PM
Sounds like you might have a stuck contactor in the outside unit OR the outside unit is getting a 24 volt signal to the contactor when it should not be.

Joshdta
Jun 7, 2009, 01:15 PM
http://www.chinacontactor.net/Products/Contactor/MBC-1N-AC-Contactor.jpg