DA1AH
Parameter Setting Instruction Execution Limit Error
Mitsubishi Electric · MELSEC iQ-R Module Dedicated Instructions
What does DA1AH mean?
This error is detected if the G(P).CCPASETX instruction is executed two or more times after power-on. This instruction is designed for setting parameters for CC-Link IE TSN modules and should only be executed once per power cycle.
Common Causes
- The G(P).CCPASETX instruction is executed two or more times after power-on of the system.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Ensure the G(P).CCPASETX instruction is executed only once per power cycle within the program logic.
- 2
Cycle power to the system if the instruction has been executed multiple times in the current power cycle.
- 3
Review the program to confirm the G(P).CCPASETX instruction is not inadvertently called redundantly.
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC iQ-R Module Dedicated Instructions