F113

Send Failure (General)

Mitsubishi Electric · MELSEC Q-series MELSECNET/H

What does F113 mean?

A general send failure has occurred, and retrying the transmission did not resolve the issue. This indicates a persistent underlying problem in the communication path or station configuration.

Common Causes

  • Faulty network cables or incorrect wirings
  • Faulty network hardware
  • Electrical noise
  • Absence of terminating resistors (in bus networks)
  • Duplicate station numbers or duplicate control/remote master stations
  • Parameter errors or incorrect switch settings on the corresponding station

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect network cables for damage, incorrect wiring, or loose connections

  2. 2

    Verify the presence and correct installation of terminating resistors, if applicable (bus networks)

  3. 3

    Check for sources of electrical noise

  4. 4

    Confirm all station numbers are unique and control/remote master station settings are not duplicated

  5. 5

    Review network parameters and switch settings to ensure the corresponding station is properly configured

  6. 6

    Check for faulty network hardware

Browse all codes in this manual (60)
Verified technical data. Last updated: March 2026

Related Faults

Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H