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Free NATE Air Conditioning Exam Mock Exam
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Question 1 of 10⏱ 08:00
While diagnosing a no-cool call, a technician checks an R-410A split system with a TXV that shows about 90 psig on the suction gauge, about 300 psig on the discharge gauge, 25 degrees of superheat and 3 degrees of subcooling, with a clean filter and coil. What does this pattern indicate?
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