Zeror.ai Error Codes Omron 0x0401

Omron 0x0401

Brand: OmronModel: PLC (CP1L / CP2E / NX / NJ Series)Error code: 0x0401

What the Fault Means

Unit setting error

Likely causes

  • Wrong unit configuration in I/O table; DIP switch address conflict

Solution and Safe First Checks

  1. Run I/O auto-detect; fix unit numbers; regenerate I/O table in CX-Programmer

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related Omron error codes

Source: the Zeror.ai industrial fault database and Omron technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.

Omron 0x0401 · Zeror.ai