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    (AB) Adaptor Board Not Found

    Hardware Alert

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    When an Adaptor Board not Found (AB) alert occurs, it means that a 72 or 96 station controller is not seeing, or registering the second adapter board, or chassis.  Irrigation will not occur until this is resolved. 

    Some of the possible causes for this alert include: 

    • The ribbon cable to the expansion board is not properly connected

    • The secondary adapter has been damaged or has failed

    • The command module was moved from a high station count controller (72/96) to a low station count controller (24-48)

    Possible Fixes

    Power down the controller and re-seat all ends of the ribbon cable and power back up.

    If the problem is still not resolved, contact Customer Support for further troubleshooting.