The old inverter controller card ( the PCB where all the control cables, like pressure sensor, temperature probe, bluetooth connected) must be swapped from the old inverter and installed to the new one before attempting to run the compressor. When control card is swapped, compressor must be connected to the app so does the U.S. Air compressor servers before it runs.

  • The serial number ,
  • The service hours left to service ,
  • Pressure ,
  • Temperature ,
  • PSET
    must be seen on the app to verify if the swapped controller card correctly connected or performing right.
Last modified: 13 February 2023

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bryan rowe wrote: Nov 13, 2024

Installed new D series, 208 volt, 3-phase compressor, compressor will not start. Voltage is ok.