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ErrorLib — Industrial Fault Code Library

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1170H

Number of Pulse Output for Input Dark Test Range Error

Mitsubishi Electric · MELSEC iQ-R I/O Module

What does 1170H mean?

A value outside the permissible range of 0 to 2 has been configured for the 'Number of pulse output for input dark test' parameter. This incorrect setting impacts the count of test pulses generated during the input dark test, leading to potential test failures.

Common Causes

  • The 'Number of pulse output for input dark test' parameter is set to a value less than 0.
  • The 'Number of pulse output for input dark test' parameter is set to a value greater than 2.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Set the 'Number of pulse output for input dark test' parameter within the valid range from 0 to 2.

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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