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Interlock is Preventing Transmission - One Band Only??

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W2ECK
W2ECK Member ✭✭✭
in SmartSDR for Windows

A new issue appeared for me with my 8600 on a Win 11 PC. When I attempt to Transmit in CW mode on 10M, I get a whole string of "Interlock is Preventing Transmission" box cascading on my monitor. I have restarted the radio several times- no change. Any have a cure or suggestion ??

Screenshot 2026-06-01 144249.png

73 Paul w2eck

Answers

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    Options

    It helps to know what version of SmartSDR. But if the problem still persists, please open a support ticket.

  • W2ECK
    W2ECK Member ✭✭✭
    Options

    sri - running 4.2.18 on Win 11 PC

    73 Paul

  • David Decoons, wo2x
    David Decoons, wo2x Member, Super Elmer Moderator
    Options

    Running an amp? Check TX Band Settings and check TX delay.

    73 Dave wo2x

  • W2ECK
    W2ECK Member ✭✭✭
    Options

    The problem band (s) are checked in TX Band Settings - Delay is 0.

    Problem is occurring with no Amp on, and has now shifted from 10M to 20M. The issue on 10M is gone.

    Will submit a ticket this morning

    Tnx

    Paul w2eck

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    Options

    It needs to be set around 25ms or higher. The details are here:

    https://helpdesk.flexradio.com/hc/en-us/articles/20826281594011-Configuring-the-Dream-Station-FLEX-8000-6000-with-the-PGXL-TGXL-AG-for-Proper-Operation

  • W2ECK
    W2ECK Member ✭✭✭
    Options

    Problem solved thanks to exchanging emails with Ken Wells at Flex Help Desk. Some how I had a check mark in the PTT Inhibit column for 20M. Removed that and now Transmitting fine on all bands . Now how the the check mark got there or how it possibly moved from 10M to 20M I have no idea.

    73 Paul w2eck

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