@reeferwrencher I want to see if you’ve come across this problem. After a defrost cycle the expansion valve goes to 20% then to 0% and then back to 20% and unit shuts off. It’ll do this about once a month and 2-3 times back to back. Is that a sign that the expansion valve is going bad or is there another cause?
Carrier 7500 code 28
Discussion in 'Refrigerated Trucking Forum' started by 062, Aug 16, 2020.
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