• Unison Processor Displays "Arch Failure" 

    Arch Failure indicates that the Architectural Portion of the Processor has failed. This can be the result of a few possible failures listed below.

    • A hardware problem with the processor
    • A problem or corruption in the configuration
    • Anything that would cause Light Manager to generate a P80 Error will cause a Processor to display Arch Failure.

    If encountering this issue, please call ETC Technical Services at 800-688-4116 to further troubleshoot or arrange repair of the faulty processor.