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
Inspect network cables for damage, incorrect wiring, or loose connections
- 2
Verify the presence and correct installation of terminating resistors, if applicable (bus networks)
- 3
Check for sources of electrical noise
- 4
Confirm all station numbers are unique and control/remote master station settings are not duplicated
- 5
Review network parameters and switch settings to ensure the corresponding station is properly configured
- 6
Check for faulty network hardware
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H