Omron CS1W-ETN21, CJ1W-ETN21 Error 0001: Watchdog timer error in CPU Unit

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

Error code0001

The CPU Unit has detected a watchdog timer error. The manual's first action is: “Replace the CPU Unit.”

Model
Omron CS1W-ETN21, CJ1W-ETN21
Display shows
Watchdog timer error in CPU Unit (0001)
Type
Error code
Source
Manual p. 228

What 0001 means

Watchdog timer error in CPU Unit p. 228

Common causes

What to do

  1. Replace the CPU Unit. p. 228
  2. Saved p. 228

If 0001 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 0001; 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.