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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

65311

FMF Error

Lenze · i550 Protec Drive

What does 65311 mean?

This fault indicates a general configuration or runtime error within the FMF (Function Module Framework) system. Further diagnostics are required to pinpoint the exact cause of the issue within the module's operation.

Common Causes

  • Corruption of the Function Module Framework's internal configuration parameters or loaded module data.
  • Incompatible or incorrectly configured function modules (e.g., safety modules, specific application macros) loaded into the drive.
  • Firmware version incompatibility with installed function modules, especially after an update or downgrade.
  • Internal memory fault within the drive affecting the FMF's ability to store or execute modules.
  • Resource limitations (e.g., CPU, memory) if too many complex function modules are activated simultaneously.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Access the FMF configuration menu and review currently active or loaded function modules for inconsistencies or errors.

  2. 2

    Attempt to disable non-essential function modules one by one to isolate the problematic component.

  3. 3

    Re-initialize (e.g., P99.00 = 1) or reload the default FMF configuration, then re-enable required modules.

  4. 4

    Update the inverter's firmware to the latest version to ensure compatibility with all function modules.

  5. 5

    If possible, connect a diagnostic tool to the drive to retrieve specific FMF error codes or logs for detailed analysis.

Browse all codes in this manual (52)
Verified technical data. Last updated: April 2026

Related Faults

0x2250CiA: Continuous over current (internal)0x2320Short circuit or earth leakage at the motor end0x2340Short circuit at the motor end
Source: Lenze i550 Protec Drive
Open Manual (Page 631)Search more codes in this manual