Manual for SMVECTOR - Troubleshooting and error codes + PDF Download

Manual for SMVECTOR - Troubleshooting and error codes + PDF Download

Brand: Lenze

Category: Inverter

Manual Type:

Language:

Uploaded: April 8, 2025, 3:37 a.m.

Manual Publish Date: 2006

Warranty Summary

Lenze AC Tech Corporation inverter products are sold with no warranty of fitness for explosion proof motors.
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The Lenze SMVECTOR frequency inverter is operated via a local keypad and display. Keypad functions include:

  • START/STOP Button: Initiates or halts drive operation.
  • Rotation (R/F) Button: Selects motor rotation direction in local mode.
  • Mode (M) Button: Enters/exits parameter menu for programming.
  • Up/Down Buttons: Navigates parameters and adjusts values.
  • CTRL Button (15HP+ models): Selects start and speed reference control sources.

The display provides status and fault messages, parameter values, and indicates active control modes (Local/Remote, Manual/Auto).

Troubleshooting and error codes

Fault Cause Remedy
F_AF High Temperature fault Drive is too hot inside
  • Reduce drive load
  • Improve cooling
F_AL Assertion Level fault
  • Assertion Level switch is changed during operation
  • P120 is changed during operation
  • P100 or P121...P124 are set to a value other than 0 and P120 does not match the Assertion Level Switch.
  • Make sure the Assertion Level switch and P120 are both set for the type of input devices being used, prior to setting P100 or P121... P124.
  • Refer to 3.2.3 and P120.
F_6F Personality fault Drive Hardware Cycle Power
F_CF Control fault An EPM has been installed that is either blank or corrupted
  • Power down and install EPM with valid data
  • Reset the drive back to defaults (P199 = 3, 4) and then re-program
F_EF Incompatible EPM fault An EPM has been installed that contains data from an incompatible parameter version If problem persists, contact factory technical support

Troubleshooting and error codes

Fault Cause Remedy
F_AF High Temperature fault Drive is too hot inside
  • Reduce drive load
  • Improve cooling
F_AL Assertion Level fault
  • Assertion Level switch is changed during operation
  • P120 is changed during operation
  • P100 or P121...P124 are set to a value other than 0 and P120 does not match the Assertion Level Switch.
  • Make sure the Assertion Level switch and P120 are both set for the type of input devices being used, prior to setting P100 or P121... P124.
  • Refer to 3.2.3 and P120.
F_6F Personality fault Drive Hardware Cycle Power
F_CF Control fault An EPM has been installed that is either blank or corrupted
  • Power down and install EPM with valid data
  • Reset the drive back to defaults (P199 = 3, 4) and then re-program
F_EF Incompatible EPM fault An EPM has been installed that contains data from an incompatible parameter version If problem persists, contact factory technical support