---
title: "frimware change problem"
url: "https://maker.wiznet.io/forum/13997"
markdown_url: "https://maker.wiznet.io/forum/13997/md"
type: "Forum topic"
category: "General"
author: "hamed1995"
created: "2020-09-06T11:57:53+09:00"
last_activity: "2020-09-06T11:57:53+09:00"
language: "en"
views: 511
replies: 0
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# frimware change problem

## Question

Asked by hamed1995 on 2020-09-06 in General.

when i try to upload the app section to wiz550web v1.0 through the java configuration tools and tftp , it says success firmware uploading and after that when it start to work it constantly reset it self every 13 seconds , it look likes its getting some error because when i disable whatchdog it stop working … do you know what the problem is ?

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Source: https://maker.wiznet.io/forum/13997