E4 Code On Zooling Split Unit - HVAC - DIY Chatroom Home Improvement Forum

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Old 05-10-2013, 06:55 PM   #1
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E4 code on Zooling Split unit

Split unit worked for a while and this winter the heat stopped working flashing E4. It is still under warranty but the person we bought it from went out of business and not sure how to get service now. The little pamphlet that came with it reads E4 - trouble outside unit or some lingo to that effect. We took everything apart and cleaned it and don't see where the issue is. Anyone have any ideas?
Thanks for the help.


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Old 05-11-2013, 01:11 PM   #2
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Might have a refrigerant leak, and be low on charge.


When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions.
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