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E4 code wont go away

The E4 code on my portable ac unit keeps coming back over and and over.

E4 code wont go away

Posted on 2019-08-28 22:19:45 Portable Vote Up0Vote Down
The E4 code on my portable ac unit keeps coming back over and and over. Once the e4 code has come on it goes into "defrost" mode and just stays there for hours if you dont manually reset the unit. Happens many many times a day. Very inconvenient. I've drained it clean everything I can.. 

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