Omron CS1W-ETN21, CJ1W-ETN21 Error 003E: Internal buffer cannot be reserved due to high receive load (ENOBUFFS).

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

Error code003E

Internal buffer cannot be reserved due to high receive load (ENOBUFS). The manual's first action is: “There is too much load (traffic) on the Ethernet Unit. Check your user applications.”

Model
Omron CS1W-ETN21, CJ1W-ETN21
Display shows
003E
Type
Error code
Source
Manual p. 201

What 003E means

Internal buffer cannot be reserved due to high receive load (ENOBUFFS). p. 252

Common causes

  • No buffer space available p. 252

What to do

  1. There is too much load (traffic) on the Ethernet Unit. Check your user applications. p. 252

If 003E 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 003E; 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.