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3C0FH

CC-Link IE Field Network Module Major Error

Mitsubishi Electric · MELSEC iQ-R Module Dedicated Instructions

What does 3C0FH mean?

This major error occurs in the network module upon successful completion of the G(P).CCPASET instruction. It is specifically observed when an engineering tool version 1.080J or later is used in conjunction with older firmware versions of the CC-Link IE Field Network master/local module or the CPU module within a redundant configuration. This error indicates a compatibility issue leading to instability in the network module.

Common Causes

  • Using G(P).CCPASET instruction with an engineering tool version 1.080J or later.
  • CC-Link IE Field Network master/local module firmware version is 58 or earlier.
  • CPU module firmware version is 03 or earlier.
  • Operating the system in a redundant configuration under these specific firmware and software version combinations.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Avoid using the G(P).CCPASET instruction if the engineering tool is version 1.080J or later AND the CC-Link IE Field Network module firmware is 58 or earlier, OR the CPU module firmware is 03 or earlier, in a redundant configuration.

Browse all codes in this manual (8)
Verified technical data. Last updated: April 2026

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1000H to 3FFFHHigh Speed Data Logger Module Instruction Execution Error1080HFlash ROM Write Count Error2221HNetwork Configuration Inconsistency Error
Source: Mitsubishi Electric MELSEC iQ-R Module Dedicated Instructions
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