Drives Fault, Alarm, Warning & Error Codes – Comprehensive resource for AC, DC, and Servo drive fault, alarm, warning, and error codes. Find explanations, troubleshooting steps, and solutions for common drive issues from major manufacturers. Get your industrial drives back online quickly.
Drives Fault, Alarm, Warning & Error Codes
Drives Fault, Alarm, Warning & Error Codes refers to the crucial diagnostic messages generated by industrial drives (AC, DC, and Servo drives) to communicate their operational status, detected anomalies, or critical problems. Understanding these codes is fundamental for effective troubleshooting, maintenance, and minimizing downtime in automated systems.
While specific codes vary significantly between manufacturers and drive models, they generally fall into distinct categories based on their severity and implications for drive operation:
Warnings (or Alarms)
- Nature: These indicate a condition that is abnormal but not yet critical enough to cause the drive to trip or shut down. The drive typically continues to operate, but performance might be degraded, or a problem is developing.
- Purpose: To alert operators or maintenance personnel to a potential issue that needs attention before it escalates into a fault.
- Action: Often self-clearing once the condition resolves. May require investigation to prevent future faults.
Faults (or Errors / Trips)
- Nature: These indicate a critical condition that requires immediate protective action. The drive will typically trip (shut down the motor) and stop its output to prevent damage to itself, the motor, or the connected machinery.
- Purpose: To protect hardware and ensure safety.
- Action: Requires manual or automatic reset after the cause of the fault has been identified and corrected. The drive will not resume operation until the fault is cleared.