DOCA0170EN-06

Troubleshooting of Trip Unit Discovery

Condition

Probable causes

Solutions

The MicroLogic trip unit is not identified by the Service Interface.

Time period between the tests of two MicroLogic trip units mounted in ComPacT NSX and PowerPacT H-, J-, and L-Frame circuit breakers is less than 5 seconds.

Proceed as follows:

  1. Disconnect the Service Interface from the MicroLogic trip unit.

  2. Wait for 5 seconds.

  3. Reconnect the trip unit again for identification.

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