Internal Error Code 12019 / Internal Error has occurred Error: 12019 Return to previous page

Version 2

    Verified Product Versions

    Terminal Emulation 7.3Terminal Emulation 7.2Terminal Emulation 7.0


    Wavelink TelnetCE 7.3.x

    Wavelink Industrial Browser 7.3.x



    • You're prompted with an internal error Code "12019".
    • You're experience slow or lagging web page responses that may also result in a timeout page.
    • Your screen freezes.



    • The issue is caused in Internet Explorer when a network response takes too long. During the "blackout" period, both TCP retries and ARP fail to receive responses from a network or server
    • *Additionally, this issue may sometimes be prompted by an invalid web certificate.

    Suggested Actions

    • Check the network, firewalls, and servers between the host and the device
    • Validate your web certificate.