331
Description Startup sequence failed - Data initialization timeout T processor
Possible Cause Controller is unable to complete startup data initialization.
• IONet malfunction
• Controllers have different application revisions
• One or more controllers are powered down
• Controller is overloaded by external command messages
Solution
• Check for disconnected IONet cables or malfunctioning network switches.
• Rebuild and download application.
• Ensure all controllers are powered up.
• Disable all other command senders (for example, Modbus masters) until controller is online.
332
Description Overtemperature - Controller rebooted and throttled
Possible Cause
• Excessive ambient temperature
• Hardware malfunction
• Fan loss
Solution
• Check ambient temperature.
• Check for dust buildup on the cabinet filters, controller, and power supply.
• Replace the controller.
• Check fans.
334
Description Application Error – [ ] Frame Skips Detected
Possible Cause
• Hardware or IONet malfunction
• Frame number skips detected. Frame number should monotonically increase until rollover; alarm occurs following a
single frame number skips in successive frames.
Solution
• Check IONet (switches, cables).
• Replace the controller.
52 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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