In this video we will be detailing how to troubleshoot an P4 error code, as shown on a Perfect Aire ductless mini split system.For more information, visit: w.. At Pioneer Mini Split, we take pride in offering the highest quality mini split systems. We offer a floor mini split as well as all other mini split options. Browse our online store, or contact us for more information.
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I have a Pioneer inverter Model# WS012GMF122HLD INDOOR S/N 24032423707732308D0053 OUTDOOR S/N 2403243120574180160003. This unit has a P4 code. I have turned off the units power and rebooted the unit and checked the voltage, the code is still showing P4.. I see this with all mini splits on a regular basis. 10 years ago installing a commercial Samsung unit of 460 volt 3 phase the supplied cable was color coded white, red, and black with black 1, red, 2, and white 3, only issue was the numbers were different on the other end.