Power unit: Watchdog timer

Was bedeutet A30810 ?

During the booting process, it was detected that the cause of the previous system reset was an SAC (System Access Controller) watchdog timer overflow. This means a critical software process failed to acknowledge the watchdog timer within its allotted time, leading to an unexpected system reset. Repeated occurrences can indicate software instability or resource contention.

• Internal software process within the power unit (managed by SAC) exceeded its allocated execution time, leading to a watchdog reset.
• Firmware bug or anomaly causing a task to become unresponsive or enter an infinite loop.
• Hardware instability or memory access issues within the SAC controller or associated circuitry.
• Power supply fluctuations or brownouts during critical operations causing unexpected processor resets.
• Overloading of the power unit's internal processing resources.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Perform a complete power cycle of the drive system to reset the power unit and SAC controller.

2. 2

   Verify the firmware version of the power unit and consider updating to the latest stable release (e.g., via SD card).

3. 3

   Check the power supply stability to the drive, including input voltage (L1, L2, L3) and control power (e.g., 24VDC), for fluctuations.

4. 4

   If the watchdog reset occurred during a specific operation, try to simplify the application or reduce the motor load.

5. 5

   Back up the drive parameters and attempt a factory reset of the power unit, then reload the parameters to eliminate potential corruption.