---
title: "W5500S2E-Z1 고장원인"
url: "https://maker.wiznet.io/forum/14462"
markdown_url: "https://maker.wiznet.io/forum/14462/md"
type: "Forum topic"
category: "Serial-to-Ethernet & ConfigTool"
author: "BongSu95"
created: "2022-02-04T02:11:21+09:00"
last_activity: "2022-09-07T07:49:58+09:00"
language: "ko"
views: 395
replies: 1
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# W5500S2E-Z1 고장원인

## Question

Asked by BongSu95 on 2022-02-04 in Serial-to-Ethernet & ConfigTool.

W5500S2E-Z1을 이용해서 TCP 통신을 하는데 잘 되다가 시간이 지나고 안되서 확인해보니 모듈에서 TX 핀쪽에 신호가 나왔다가 안 나왔다가를 반복합니다. 혹시 문제의 원인을 알 수 있을까요?

## Replies

### Reply 1 by lokman402, 2022-09-07

[@BongSu95](https://maker.wiznet.io/u/bongsu95)

Thank you for your question.

I’m Ron from WIZnet HK.

I saw that you had asked the same question in English through our forum.

Thus, I will reply your question on the English version.

Best Regards,
Ron

---

Source: https://maker.wiznet.io/forum/14462