451
Description Communication Lost on HSSL Link 1
Possible Cause The UCSA can no longer communicate with the acquisition card on High Speed Serial Link 1
Solution Verify that the Ethernet cable is connected and that the acquisition card is healthy.
452
Description Communication Lost on HSSL Link 2
Possible Cause The UCSA can no longer communicate with the acquisition card on High Speed Serial Link 2
Solution Verify that the Ethernet cable is connected and that the acquisition card is healthy.
453
Description Communication Lost on HSSL Link 3
Possible Cause The UCSA can no longer communicate with the acquisition card on High Speed Serial Link 3
Solution Verify that the Ethernet cable is connected and that the acquisition card is healthy.
485
Description Configuration mismatch with Auto-Reconfiguration server
Possible Cause Some or all of the I/O pack or module configuration files do not match those on the
Auto-Reconfiguration server
Solution Perform a scan and download using the ToolboxST application
490
Description Software watchdog has been disabled
Possible Cause
• A runtime malfunction has disabled the software watchdog protective function.
• An invalid version of firmware has been downloaded.
Solution
• Reload the base load, firmware, and application code to the I/O pack or module, and restart.
• If failure persists, remove the flash memory from the controller and reprogram the boot loader using the ToolboxST
application. Download using the Device | Download | Controller setup | Format Flash selection. After reinstalling the
flash memory and restarting, reload the firmware and application code.
• If the problem persists, replace the I/O pack or module or the controller.
472 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
Public Information