AX Central Exchange Unit Power LED Flashing

Updated on December 18th, 2025

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Summary

The power LED flashes on an AX Central Exchange Unit.

Cause

Incorrect programming in the AX Setup Software can cause the LED to flash.

Solution

Check the program settings for the Central Exchange Unit. If there is not an add-on exchange (AX-320C), make sure the program setting for No. 2 through No. 4 are set to “Not Connected”.