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ErrorLib — Industrial Fault Code Library

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1A4  H

Output delay time setting error

Mitsubishi Electric · MELSEC iQ-R I/O Module

What does 1A4  H mean?

An invalid value has been configured for 'Output delay time setting'. The set value is outside the acceptable range of 1 to 150000. This incorrect setting can lead to improper output signal filtering or delayed activations.

Common Causes

  • Incorrect value (outside 1-150000) set in 'Output delay time setting'.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Set a value between 1 and 150000 in 'Output delay time setting'.

Browse all codes in this manual (56)
Verified technical data. Last updated: April 2026

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Source: Mitsubishi Electric MELSEC iQ-R I/O Module
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