3050H
Safety parameter error
Mitsubishi Electric · MELSEC iQ-R I/O Module
What does 3050H mean?
An error related to safety parameters was detected during system startup. This usually points to an unsuccessful or corrupted write operation of the safety parameters to the module, which is critical for safety-related functions.
Common Causes
- A failure occurred during the process of writing safety parameters to the module.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Re-write the safety parameters to the module using GX Works3 software to ensure correct configuration.
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC iQ-R I/O Module