Restart Lockout (Adv. Code 0)

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This fault occurs when the drive has attempted to automatically restart after a fault more times than permitted by the customer-defined parameter for fault restarts. This safety feature prevents continuous, unsuccessful restarts that could damage equipment or worsen an underlying, recurring problem. Manual intervention is required.

• Multiple recurring faults (e.g., Overvoltage, Undervoltage, Overcurrent) triggering the auto-restart attempt limit.
• Parameter P0-23 (Auto-Restart Retries) set to a low value (e.g., 0 or 1) combined with persistent external transient conditions.
• Frequent power cycling or brief power interruptions leading to repeated restart attempts.
• Persistent mechanical issue on the load (e.g., jammed conveyor, worn bearing) causing repeated motor overloads which then clear and trigger restarts.
• Drive operating in an unstable environment (e.g., unstable grid, fluctuating load) causing borderline fault conditions.

Klikk på steg for å spore fremgangen.

1. 1

   1. Review the drive's fault history log to identify the primary recurring fault (e.g., F6 Instantaneous Overcurrent, F9 Input Voltage Imbalance).

2. 2

   2. Increase parameter P0-23 (Auto-Restart Retries) to a higher value (e.g., 5-10) only after investigating and understanding the root cause of recurring faults.

3. 3

   3. Measure the input line voltage (L1, L2, L3) for stability and absence of transient sags or swells using a power quality analyzer.

4. 4

   4. Inspect the mechanical load for any binding, excessive friction, or misalignment that could lead to intermittent overloads.

5. 5

   5. Reset the drive manually via the HMI stop/start button or digital input reset signal after clearing the root cause of the previous faults.