Qu-24 Pafl Problem

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  • 2023/02/14 at 10:04 am #111510
    Profile photo of KalleKalle
    Participant

    Yesterday I had this weird issue where on qu-24 the Pafl bus did not work.
    I expected the headphone amp would be broken, then I thought what if I route the Pafl to Alternative out: also no signal.

    Then I fiddled around with the settings of the Pafl bus, I tried all combinations.
    Still no sound on Pafl.
    Then reboot:
    No changes….

    Then I did a factory reset (after backing up my show)

    The Pafl Bus was working again!

    Did anyone else had a same experience?
    And did the problem showed up again?

    2023/03/16 at 1:34 pm #112021
    Profile photo of KalleKalle
    Participant

    Had this problem again the last days, this time with a reboot the audio on headphone PFL bus was there again.

    what could this be??? I also wrote today about a alt out problem on our QU-PAC.
    i need reliable equipment, is there something I should check? the only thing what both consoles have in common is a StageRack AR2412 and on the Network Side a wireless Router (with POE)

    2023/03/17 at 10:40 am #112033
    Profile photo of Rafael A&HRafael A&H
    Moderator

    Hello @Kalle,

    Since this has been solved with a Hard Reset, it is likely to be something operational (A setting or configuration).
    Please send a message to Support@ allen-heath.com with all the details on both issues (The PAFL and the ALT OUT), kindly add a screenshot of your PAFL settings on the moment of the issue experienced, and we will be happy to look into this with you.

    Thank you,
    Rafael

    2023/05/10 at 7:04 pm #112831
    Profile photo of KalleKalle
    Participant

    Update:

    The board was in a repair center.
    And today it Fame back:
    Before I sent it in I decided to test it and diagnose the problem.
    Turns out: when the board is disconnected a longer time from a power source then: all local analog outputs (7 dsp chips?) do not work anymore.
    The aes output is still working though.

    D-snake outputs where working always, after rebooting the local outputs where there again…

    My thoughts were going in the direction of power supply problems, but it turned out to be a little bit more expensive
    Apparently there was an issue With the mainboard.

    So I had this replaced, now everything is working like it should be…
    For a 10 year old board this was quite an expensive repair. But it was worth it.

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