Omron CS1W-ETN21, CJ1W-ETN21 Error 0002: CPU Unit service monitor error

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

Error code0002

CPU Unit service monitor error indicates a problem with the CPU unit's monitoring system. The manual's first action is: “Check the operating environment.”

Model
Omron CS1W-ETN21, CJ1W-ETN21
Display shows
CPU Unit service monitor error (0002)
Type
Error code
Source
Manual p. 228

What 0002 means

CPU Unit service monitor error p. 228

Common causes

What to do

  1. Check the operating environment. p. 228
  2. Saved p. 228

If 0002 is still not resolved

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

This page summarises what the manufacturer’s manual says about 0002; 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.