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Ui24 suddenly drops all output signals and sound

Have a Soundcraft Ui24 mixer, and suddenly during a performance all output dropped: no sound through any master nor auxiliary outputs. I control the mixer via a web browser, and my screen showed "Connecting...". Within 5 seconds all sound returned, and we didn't have that problem again.

Normally, if my iPad loses connection with the mixer, the mixer maintains its settings instead of turning everything off. And a mixer that restarts takes longer to reboot than what we experienced.

Has anyone had this trouble before? Any suggestions about how to fix it?

Here's our setup: the mixer is connected by cable to a dedicated router (which does nothing but provide a private network for connection to this mixer). The router is password-protected, preventing unwanted access to that wireless network. The Ui24 is also password-protected. We control the mixer with 2 iPads; one is logged in with the password for full control (mine), and another is not logged in, giving it only control of one particular aux output (it allows our keyboard player to control her own monitor mix). The second iPad cannot mute the master fader. We had a USB stick plugged into the Play port, and was playing audio through it.

I cannot reason how the sound was turned off "accidentally" by a user. I can't reason that someone my iPad lost wifi connection and that turned everything off for a moment. Nothing really makes sense.

Comments

  • i4plyi4ply Posts: 1

    I am having the same issue, about 3hrs into a 4hr show. It reboots, thought it was heat related but it doesn't feel abnormally warm

  • Had the same experience several hours into a long festival day. By the time I ran up to the stage to look at the mixer, the mains had come back on. During the same day, input 4 began making a loud popping noise in at least one monitors. After replacing the mic, and then the cable, I realized that it was making the noise with nothing plugged in, and then that it was not in the mains, only the aux out. I moved off of channel 4 and determined to troubleshoot it later. The next morning I arrived early to test (mixer had been powered off overnight). Everything was quiet and worked as normal. Buggy.

  • I was also unable to find the delay on the aux outputs. I didn’t have a DSP in line, so I ran the front fills without delay. And then turned them off. Disappointing first use overall.

  • Update. I can’t find this documented anywhere, but if you hold the master
    Aux label button, the popup menu includes output delay (up to 500ms).

  • TomCTomC Posts: 1

    So why does Harmon not acknowledge and comment on this problem?

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