The system cannot establish a connection to the server. The manual's first action is: “Take either of the following measures. • Correct the settings for each server. • Inspect the communications path (Ethernet Unit, cable connections, hub, router, server), and correct the situation that is causing the error.”
- Model
- Omron CS1W-ETN21, CJ1W-ETN21
- Display shows
- Server connection error (03C4)
- Type
- Error code
- Source
- Manual p. 232
What 03C4 means
Server connection error p. 232
Common causes
- 00: DNS 01: SMTP 02: POP3 03: SNTP p. 232
- 01: Specified host does not exist 02: No service at specified host p. 232
- 03: Timeout 04: Closed unilaterally by host p. 232
- 05: Cannot connect because account information does not match 06: Host name resolution error p. 232
- 07: Transmission error 08: Reception error 09: Other error p. 232
What to do
- Take either of the following measures. • Correct the settings for each server. • Inspect the communications path (Ethernet Unit, cable connections, hub, router, server), and correct the situation that is causing the error. p. 232
If 03C4 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 03C4; 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.