Egd Error - One Or More Consumed Exchanges Contain Unbound Variables; Software Watchdog Has Been Disabled; Hardware Watchdog Has Been Disabled - GE Mark VIeS System Manual

489
Description EGD Error - One or more consumed exchanges contain unbound variables
Possible Cause
• An EGD variable has been removed from a Producer's EGD configuration
• An EGD variable has been added to a different Producer's EGD Page from its original EGD Page
Solution
• Add the offending variable to the Producer's EGD configuration, compress the Page and download the application to the
Producer.
• Remove the reference to the offending variable from the Consumer's application code; build and download application to
the Consumer.
• Compress the EGD Page in the Producer where the variable has been added; build and download the application to the
Producer.
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 base load, firmware, and application and restart.
• If using a UCSA, reformat the flash and reload the firmware.
• I/O pack or module: re-download the base load.
• If this does not work, replace the controller or I/O module.
491
Description Hardware watchdog has been disabled
Possible Cause
• A runtime malfunction has disabled the hardware watchdog protective function
• A hardware failure has disabled the hardware watchdog protective function
Solution
• Reload firmware and restart.
• If problem persists, replace hardware.
62 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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