1A2 H
Output delay type setting error
Mitsubishi Electric · MELSEC iQ-R I/O Module
What does 1A2 H mean?
An invalid value has been configured for 'Output delay type setting'. The set value is outside the acceptable range of 0 and 1. This incorrect setting can result in improper output signal timing.
Common Causes
- Incorrect value (outside 0 or 1) set in 'Output delay type setting'.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Set a value of 0 or 1 in 'Output delay type setting'.
- 2
Refer to page 102 of the manual for detailed information on 'Output delay type setting'.
Verified technical data. Last updated: March 2026
Related Faults
Source: Mitsubishi Electric MELSEC iQ-R I/O Module