Omron CS1W-ETN21, CJ1W-ETN21 Error 0012: CPU Unit memory error

Omron CS1W-ETN21, CJ1W-ETN21 · taken from the manufacturer’s manual, pages cited

Error code0012

The CPU Unit has encountered a memory error. The manual's first action is: “01. Recreate the data specified by the 2nd byte of the detailed error code. 02. Clear memory using procedure in the PLC operation manual.”

Model
Omron CS1W-ETN21, CJ1W-ETN21
Display shows
CPU Unit memory error (0012)
Type
Error code
Source
Manual p. 228

What 0012 means

CPU Unit memory error p. 228

Common causes

  • 01: Read error; 02: Write error; 03: Routing table error; 04: Setup error; 05: CPU Bus Unit Words (CIO/DM) p. 228
  • Saved p. 228

What to do

  1. 01. Recreate the data specified by the 2nd byte of the detailed error code. 02. Clear memory using procedure in the PLC operation manual. p. 228
  2. Saved p. 228

If 0012 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Omron service.

Open the manual at page 228 All CS1W-ETN21, CJ1W-ETN21 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 0012; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Omron. Found a mistake? Report an error.