4
“C” RMS Foldback
A “C” indicates RMS Foldback in the display window on the EN/EB/EI drives. It is an
indication that the RMS current Foldback is active. This is not a fault, does not disable
the drive. Output RMS current limit is returned to 80%.
Potential Causes for RMS Foldback
• Excessive Load or Friction
• Motor does not match DDF file or Drive type
• Corrupt Motor DDF file
• RST Motor phases incorrectly wired
Notes
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