If ADE-4100's IP Address or password is lost, the following procedure can be used to recover from this situation.
Pressing the Reset button for more than 10 seconds. ADE-4100 will restore to factory default setting. Note that this should be done only when you had tried all the troubleshooting options. Pressing the Reset button during operation may bring you into the risk of creating IP address conflict between your PC and the router. In such case, you may be compelled to reboot your entire system(s).