Auto test sequence

During auto test, the device’s indicator lights illuminate and information is shown on the display.

The following LEDs turn ON in sequence and turn OFF after the predefined time:

  1. Insulation status yellow

  2. Preventive insulation alarm white

  3. Insulation status green

  4. Modbus communication yellow

  5. Product status red

The relay toggles. See Test with relays for information on performing auto test with relays.

  • If the auto test is successful, the following screen appears for 3 seconds and a status screen is displayed:

  • If the auto test fails, the device automatically restarts. If the fault persists:

    • The red status indicator LED turns ON

    • The insulation alarm relay is triggered

    • Product Inoperative message is displayed.

    Disconnect the auxiliary power supply of device and reconnect. If the fault persists, contact technical support.

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