SOURCE: Split AC system not cooling.
P-7 Error Code means: DC Voltage Problem in the outdoor unit.
Bad PFC & IPM Circuit Boards.
The Pridiom Group
201-266-8234
SOURCE: I had a 53 fault
I think you should check your compressor manually . And then check the tempreature on discharge point of your compressor if tempreature increases then there is no problem of gas .
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