Reason Solution
2 or all input phases are not present make sure input power voltages phase to phase are all present and within tolarable limits
The red LED light inside the drive is on Check cable in between display panel and inverter is connected tight to both inverter and display. If cable is tight in terminals, change cable. Cable is standard RJ45 cable. If that is not solving the problem ask U.S. Air compressor to send you a new display
One of the input power supply fuses is blown and the compressor runs like this for a long time Inverter drive input layer is defective, change inverter and fuse.

Your compressor may be under 10 Year Exchange Warranty;

  • If you are connected to the compressor with the Smartcom App everyday,
  • Services are performed on time as indicate by the Smartcom app with the parts and oil purchased from U.S. Air Compressor,
  • Compressor installed as required by the user manual,
  • There has been no external phenomena causing the compressor to be broken.
Last modified: 2 October 2023

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