Auto test sequence
The following LEDs turn ON in sequence and turn OFF after the predefined time:
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Insulation status yellow
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Preventive insulation alarm white
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Insulation status green
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Modbus communication yellow
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Product status red
The relay toggles. See Test with relays for information on performing auto test with relays.
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If the auto test is successful, the following screen appears for 3 seconds and a status screen is displayed:
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If the auto test fails, the device automatically restarts. If the fault persists:
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The red status indicator LED turns ON
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The insulation alarm relay is triggered
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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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