Testing PRx Modules

During normal operation, the PRx Module fault LEDs remain off. If a fault occurs, the appropriate LED lights.

Use this procedure to turn on and off the LEDs to make sure they are functioning.

CAUTION: Shut off the coating system before testing the PRx Modules. Testing with the coating system operating will generate an alarm and shut down the system.

  1. Icon_TOOLSGREEN.JPG Touch the information and setup bar on the appropriate PRx Module faceplate.

  2. Icon_PRx_name.jpg Select PRx Configuration from the drop-down menu.

  3. Icon_Diagnostics.JPG Touch the Diagnostics button at the top of the PRx Configuration window.

NOTE: To prevent an operator from accidentally tripping the relays and shutting down the coating system, you must turn on the diagnostics mode before you can use it.

  1. Icon_LightBulb.jpg Touch the Test Mode button toggle it ON. The switch backgrounds change from gray to green and the switches move if necessary to show the current operating state of the LEDs. The PRx Module is now in diagnostics mode.

LEDs.jpg LEDs

  1. Touch the switches as necessary to set the LEDs to the desired state. Switch Status

  1. Icon_RESET_BUTTON.JPG Touch the test button to test the LEDs. To return the LEDs to their actual operating state, touch the button again.