AskManual.ai
!
error Allen-Bradley

Error Code F003

Undervoltage Fault — activated when the DC bus voltage drops below the minimum limit.

? What Causes This

Input power supply instability, low voltage condition, or loose power connections.

✓ How to Fix It

  1. Check the input power supply for stability and proper voltage levels.
  2. Verify all power connections are secure and correct.
  3. Ensure the power source can supply adequate current for the drive.

This error code appears in:

Allen-Bradley PowerFlex 525 Variable Frequency Drive