StudioLive 2442, 1642 and 1602 with Universal Control Ai, SL Remote & QMix
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Hi everybody,
The purpose of this thread is only to bring your permanents solutions, not to say " it happened again" or for the 1000th time "do the firewire trick" or "respect the boot steps: plug FW, boot console first and then the computer"...
WE NEED ANSWERS!
From people who found the reasons of freezing such as for example change this little piece or put an fan in the case... i don't know but all we need is... successful modifications that keeps freezing away!

Definition of the issue: Big noise in speakers and no output anymore. Level meters freezes at one position, either all the way up either where they were before the freeze. Sometimes the Gain Reduction level lit red all the way down.And last but not least, When this happens, it happens again and always at the wrong moment.
Some says: "unplug the powercord for a while": yeah that's helps but just for a while too!
Some others says: Put a fan inside. Who tried? I would try that, just to give it a try...
And now, it's up to you!
See ya!
Karim
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by wahlerstudios on Wed Jun 07, 2017 6:12 pm
I think a repair is the best idea. DSP board defect, one of the fader banks defect, bad soldering, moist, dust - there are many reasons for a freezing problem. Resets and FireWire tricks and firmware resets do not help, if the mixer is technically defect. Let a specialist have a look at your board. If the he suggests a repair, you can decide if it is worth the money. The legacy boards are already some years old. As long as they play, it's ok - if not, think of a replacement.

The legacy boards had no fans inside, which often caused an inside overheating. Most if the heat is concentrated at the bottom of the mixer. It always helped to make air circulation possible on both sides (left and right wings) and UNDER the mixer.

Hope this helps.
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by Skip Jones on Wed Jun 07, 2017 7:09 pm
DSP imminent failure. Eventually it will always "freeze" on startup with GR fully lit. Sorry, sounds like it need a repair visit.

Skip

Please add your specs to your SIGNATURE.
Search the STUDIO ONE 4 ONLINE MANUAL. Access your MY.PRESONUS account.
OVERVIEW of how to get your issue fixed or the steps to create a SUPPORT TICKET.
Needs to include: 1) One Sentence Description 2) Expected Results 3) Actual Results 4) Steps to Reproduce.


Windows 10 X 64 : AMD Phenom II X 4 945, ATI Radeon 5450 / 512 RAM - 8GB RAM / 1T SATA, Mac Mini (Late 2014), Faderport and Faderport 8, Yamaha S-08 Synth, Fishman TriplePlay Guitar MIDI, Logidy Controller, assorted PreSonus Gear
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by roblof on Thu Jun 08, 2017 1:03 am
Replace the flash memory. You'll need to flash the replacement with a proper firmware before putting it in though.

Studio One Pro v5, Notion 6, Nuendo 11, BitWig v3, Reaper v4, Ableton Live 8 Suite, iMac late 2015, Behringer Wing/x32-BigBoy/x32-rack all with Dante/aes67 and s16/sd16 stageboxes, Flow8, Waves x-wsg with SoundGrid server, Behringer X-Touch, X-Touch ONE, M-Air mr18, X-Air xr18, DP48, Hub4 and p16 monitor systems, TurboSound iQ-speakers, Motör 61, BCR-2000, FirePod 10, Apogee Ensemble, Alesis HD24, NI Komplete 12 Ultimate Collectors, Halion 6, True Temperament Frets on basses and guitars, Katana-100, DT-50, JSX, JCM800, Korg Kronos, Roland vk-7, Behringer Deepmind 12, Behringer Neutron
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by karimdubugnon on Thu Jun 08, 2017 7:19 am
OK all, that's a good start!
@Skip Jones & Wahlerstudios: DSP is a big part of it to replace. I'd like to try to spot more specifically the issue, for further repairs.

@Roblof, can you develop your idea? or do you have a tutorial to do this modification?
All infos are welcome. Many thanks.

Thanks a lot,

Karim
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by wahlerstudios on Thu Jun 08, 2017 8:09 am
The GR behavior is a very obvious indicator that the DSP board needs to be replaced. So don't waste time and send the board to your service center. There is nothing else you can do and there is no "do it yourself" (it is possible to open the board open, but most probably you will not get it together again...).

The "flash theory" is not proven to be a reason for the DSP board problems. Failures of DSP boards can happen a long time before the flash memory theroretically might have reached the end of its life-cycle. No manufacturer will share internal information about technical subjects and generally the knowledge about the legacy boards is fading away, so get it repaired as long as it is possible. Remember that this product is out of production for quite some time already!
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by karimdubugnon on Fri Jun 09, 2017 4:08 am
OK mister Wahlestudio
It's surely the better way to have an healthy machine and i'm working on it right now being in touch with the specialist around my local area.
The facts are that many boards came back and still had the issue or the issue sooner or later (in therms of days, sometimes more) happened again.
That's definitively NOT what we are looking for!
So if someone found the offender(s) component(s), please let me know.
If i send mine back i will for sure mount a pair of fans inside to reduce the overheat risks!
And for those who have interest in this tutorial here is a file how to bring your SL a part (and rebuild it with care). Use it at your own risks! :reading:
download/file.php?id=2201
Kind regards,
Karim
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by roblof on Fri Jun 09, 2017 9:38 am
It is not a theory. I've done this repair more than once. There is no doubt in my mind that the stored information becomes corrupted after a couple of years. Even a power cut at the wrong moment in time could corrupt its memory.

Presonus is not the first manufacturer that need their flash memories replaced.

wahlerstudios wroteThe "flash theory" is not proven to be a reason for the DSP board problems. Failures of DSP boards can happen a long time before the flash memory theroretically might have reached the end of its life-cycle. No manufacturer will share internal information about technical subjects and generally the knowledge about the legacy boards is fading away, so get it repaired as long as it is possible. Remember that this product is out of production for quite some time already!

Studio One Pro v5, Notion 6, Nuendo 11, BitWig v3, Reaper v4, Ableton Live 8 Suite, iMac late 2015, Behringer Wing/x32-BigBoy/x32-rack all with Dante/aes67 and s16/sd16 stageboxes, Flow8, Waves x-wsg with SoundGrid server, Behringer X-Touch, X-Touch ONE, M-Air mr18, X-Air xr18, DP48, Hub4 and p16 monitor systems, TurboSound iQ-speakers, Motör 61, BCR-2000, FirePod 10, Apogee Ensemble, Alesis HD24, NI Komplete 12 Ultimate Collectors, Halion 6, True Temperament Frets on basses and guitars, Katana-100, DT-50, JSX, JCM800, Korg Kronos, Roland vk-7, Behringer Deepmind 12, Behringer Neutron
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by karimdubugnon on Sat Jun 10, 2017 3:05 am
I definitively want to spot the guilty(ies) component(s) and don't want to hear the ones that beware me, or whom that are too fatalistics.
Any Constructive steps are more than welcome!
If Presonus decides to change the whole DSP/PSU (or what ever) that's in my opinion because it's cheaper and take more time than looking for the real(s) offender(s) although they made some improvements on the replacing part like, for example a bigger transfo on the power supply unit...

So far, we can determine theses elements or small parts as "problematics".
- Heat for sure and overheat is certain: they put some (noisy!) fans on the AI series!!!
- Thermistor on the PSU: has a direct link with the point below
- Obviously the pieces they modified on the new replacement boards (transformer... what else?)
This proofs the improvement efforts Presonus deploys to solve this.
- Flash memory on the DSP card is suspicious and problematic too (thx roblof!)
About that, if the freeze occurs just after an autosave could be a valuable proof.
Please keep on answering.
If we keep on searching i'm optimistic to find THE REAL FIX!

I wish you all a nice week-end ;-)
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by karimdubugnon on Wed Jun 14, 2017 9:20 am
Fan trick
Hello all,
If anyone wonders, i asked the guy who made this video:
https://www.youtube.com/watch?v=wUxQf67 ... 0231177675
how does his console behaves so far or did he made some further modifications.
Here's the answer (from spanish translated):
"Initially the fan allowed me to use the console for 1 to 2 hours continuously. After that the inconvenience returned, so i add a heat sink to the central processor of the desk, with the open sides is seen to the center of the motherboard, plus another fan Pointing to the same spot,i bought a fan of high capacity and silent (PC) that adduced to the lid where I initially put the one that is seen in the video and now works as new ... lasts the full day without any inconvenience".

That's it!
Who tries first? :D

Cheers,

Karim
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by matiasarcos on Thu Jun 15, 2017 3:22 pm
karimdubugnon wroteFan trick
Hello all,
If anyone wonders, i asked the guy who made this video:
https://www.youtube.com/watch?v=wUxQf67 ... 0231177675
how does his console behaves so far or did he made some further modifications.
Here's the answer (from spanish translated):
"Initially the fan allowed me to use the console for 1 to 2 hours continuously. After that the inconvenience returned, so i add a heat sink to the central processor of the desk, with the open sides is seen to the center of the motherboard, plus another fan Pointing to the same spot,i bought a fan of high capacity and silent (PC) that adduced to the lid where I initially put the one that is seen in the video and now works as new ... lasts the full day without any inconvenience".

That's it!
Who tries first? :D

Cheers,

Karim



Hello friends, I will try to record another video giving the tips of the gadget I made, I must tell you that this completely solved the error and today I use the mixer without any problem, thanks karim for the post!

my mail [email protected]
bless!!
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by karimdubugnon on Wed Jun 21, 2017 3:07 am
Hey fellows!

This post to encourage everyone to bring some new stones of that knowledge database.

I must say that my board was running with an mp3 on two lines for more than a WEEK now.
And this with... no modifications yet... weird!

Some reflexions about that:
- Low sound level on only 2 self-powered monitors (on Main Out and then on the Mono Output )
- Low effort: only two channels, no FX, Auxes etc..
- In a quiet COOL room (about 18°C)
- No computer linked and the board was unplugged for some days before that.

I first used the zero board memory then the one it freezes the board the last time (on a gig, of course!)
I noticed that the board do an AUTOSAVE only when you make some modifications on the scene you work on. otherwise not; that reduce the flash memory issue probability.

I changed the inputs channels twice and tried also with the Tape in section.

Before that i opened the board but did not made any specifics changes except inspection unplugging the 12v Lamp Power supply socket and replug it: i will use this connector to power the fans later.
I already bought the material for doing the fan-modification but today, i will try it outside and see if it freezes with the sun heat.
Please keep in touch, share and support! :+1
See ya,

Karim
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by MikeWalker on Fri Aug 25, 2017 12:53 pm
Hi guys same problem for me here, i had it back to the service centre and it was going to cost £700 to repair :(
If i cant get a solution for this its going to have to be sold for spares as I simply cant take the risk on a repair and have it happen again. The service centre would only honour 3 months warranty on the repair :/
Any ideas would be great and I'm pleased someone started this thread its a real shame as its an awesome desk when its working
Cheers
Michael
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by karimdubugnon on Mon Aug 28, 2017 10:46 pm
MikeWalker wroteHi guys same problem for me here, i had it back to the service centre and it was going to cost £700 to repair
If i cant get a solution for this its going to have to be sold for spares as I simply cant take the risk on a repair and have it happen again. The service centre would only honour 3 months warranty on the repair
Any ideas would be great and I'm pleased someone started this thread its a real shame as its an awesome desk when its working
Cheers
Michael


Hey Michael,
If you still not sent your console i would encourage you to try the following steps because mine returns to life, forever i hope!
I suspect yet a bad driver update!
At my opinion the last driver (1.50a build:190) can corrupt the all thing. The best to do is to install ALL the drivers one after the other.
Here is what's what i did:
-unplugged the console for a long time: weeks or a month.
-installed an older driver: uninstall your actual Universal Control from your PC (or Mac) with the uninstall App you'll find with UC v1.7 .dmg file, install universal control v1.5.3.1 it will do the job by saying you have to update the firmware of your linked Studiolive. It will actually downgrade to 1.50a build:184.
> Be careful and read carefully the instruction on Presonus download page witch version is compatible with your system :readit:
You CAN'T install an older version on Mac if you are over certain OS version for example: it will end with a dead console corrupting the driver what means send it back to Freezonus
The best is, if you have a machine running under Snow Leopard or older...
> Don't go under UC 1.5.3 to prevent the point below! :evil:
Here is the download page:
https://www.presonus.com/products/Studi ... /downloads
> read the firmware versions's release notes! :reading:
- reset the board in Universal Control menu and use a zero out scene (board reset) on your scene menu of the console (recall zero out scene)
> you will loose all your personalised presets, scenes, GEQ... :shock: (sometimes you can reload them from your PC if you saved them before: the uninstall UC soft doesn't make his job totally, by chance
-NOW, try if all works fine : let the console play with an mp3 on a PA for some DAYS continuously to see if it helps adding some effects, comp and so on to make the machine "work"
May be you'll notice that, like mine, your console doesn't heat so much like before...
- if everything returns to a normal state, do the steps below again with ALL the next UC version and drivers: erase UC (like below), install UC 1.6 follow ALL the steps below(including factory reset, board reset...), erase UC 1.6, install 1.6.1 and so on...
Now your board should work normally! :thumbup:
let me know, every constructive points here would be highly appreciated from all of us who went dead end!
cheers,

Karim
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by karimdubugnon on Tue Aug 29, 2017 12:29 am
I completed the lis below:
So far, we can determine theses elements or small parts as "problematics".
- Heat for sure and overheat is certain: they put some (noisy!) fans on the AI series!!!
- Thermistor on the PSU: has a direct link with the point below
- Obviously the pieces they modified on the new replacement boards (transformer... what else?)
This proofs the improvement efforts Presonus deploys to solve this.
- Flash memory on the DSP card is suspicious and problematic too (thx roblof!)
About that, if the freeze occurs just after an autosave could be a valuable proof.
****EDIT EDIT****
- ground connectors in the console are NOT all with wire connected: add some wires is not a bad idea at all!! :mrgreen:
- Firmware: i suspect the 1.50a build 190 to be unstable or a bad update process.
To prevent this, follow the steps in this post:
viewtopic.php?p=148720#p148720 :reading:

Cheers,
Karim
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by eliajaz on Mon Sep 04, 2017 11:51 pm
Hello there! After nearly 4 years of owning a classic SL 24.4.2 I had this unfortunate issue literally "pop" up as I was announcing the wedding party at a gig this weekend. I turned on the mixer today and it is now back up and running fine which leads me to believe the issue was caused by heating or bad power (i.e. bad ground, surge...) at the venue. Having had this happen to me for the first time ever has me a bit worried. I really love the SL console and just can't see myself using anything else. So I have a question, however I am not sure if this is the right forum subject. I went ahead and purchased a back up analog console (i should have had one!) just in case this happens again. However, I am not a professional sound engineer and am wondering if there is a way to set up the second mixer in a way to easily switch over to it should the SL freeze on me in the middle of a live performance. Basically I want to have a redundant mixer connected and ready to go. Are there special cables for this?

I reviewed the owners manual and see the DB25 balanced outputs on the console are post-gain, pre-insert, and pre-A/D converter. Only the microphone preamps and line-level inputs are available through the direct outputs. My assumption would be that the preamp and line-level inputs are analog circuits that are connect to the DB25 outputs before the DSP board. I guess my question really is if anyone knows if these are "hardwired" meaning the signal input can go through the preamp and line-level right to the DB25 balance output while the console remains on in a frozen state. If so, my thought was to buy DB25 to 8 XLR male balanced cables to run them to the back up console. In the event the SL freezes on me I can quickly change over the monitor and Main outputs lines, turn the back up mixer and be up and running in minutes.

Has anyone ever done this? Your feedback is greatly appreciated!!!

Thanks,

Juan in Tucson, AZ
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by wahlerstudios on Tue Sep 05, 2017 8:39 am
It is very important to think of what to do in an emergency situation, but there is one problem: You don' t know beforehand HOW the situation will be and WHAT EXACTLY will be needed to do then. No emergency situation is similar, it all depends...

You should take into consideration that it is NOT GUARANTEED that the DB25 outputs will work in any case. Most probably they will, because it is only the digital part of the mixer that stops (re)acting, but the advice is: Do not make a second board connected by the DB25 ports to the center of your emergency plan. It is much to much effort for and for anybody watching this it also is not inspiring confidence...

The alternative is having a small analog mixer ready for connections, allowing a fast patch of the most important input signals (lead vocals, speech, keyboard...) and of course Mains l/r. This makes the "show" continue within a minute and gives you time to think what to do next. I was asking the same question in the time when I had my classic and AI consoles and I know from my own experience, that any small problem does make you feel uncomfortable. I have used a DL 1608 as redundant mixer, connected by the DB25 ports (I always had to think which 16 channels of 24 I need to connect), but this simply proved to be much too much effort. Later with the AI boards I used a RM mixer in several emergency strategies, but this never proved to be a perfect solution, because nobody can know what will happen and what has to be done then. So I finally came to the conclusion that the only thing really needed is to be able to get 1 microphone for announcements working again within 1 minute. Since then I simply carry a small and cheap analog mixer (2 mic & 2 line inputs) with me - which up to now has never been used...

Heating, bad power and dirty or wrecked faders are the most "popular" fields of failures. You simply should to watch the behavior your board and react immediately (repair). And one last thing: The overheating takes place at the bottom of the mixer! If there is no air-circulation/cooling UNDER the board, problems are due to come. This is the same for SL classic and AI mixers.
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by sammycat on Wed Jan 16, 2019 10:00 am
I have had no real problems in 4 years with the 16-4-2 after reading this I think i'll start using my XR18!!!
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by karimdubugnon on Wed Jan 23, 2019 9:18 am
sammycat wroteI have had no real problems in 4 years with the 16-4-2 after reading this I think i'll start using my XR18!!!

Great!
Hello sammycat!
Have you experienced some issue(s) or any problems in the past?
did you follow any steps i recommend (like the update process) or used any tricks to keep your board healthy?
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by jeremythornton on Mon Oct 12, 2020 4:43 pm
Well I've had issues starting this year. I have my Presonus Studiolive 16.4.2 connect via Firewire to my music computer which almost never goes online. My other messing about computer is connected just so that the audio comes from the computer, into my mixer so that I can hear through my studio monitors.
The problem is that whenever I switch from one computer to the other, all audio output disappears. I have various synthesizers plugged into the back of the mixer so that I can always hear through the studio monitors. No it seems whenever I go from one computer to the other, the audio pooches out. Not only that, If I turn the mixer off, when I turn it back on a minute or less later, the display won't come on and there is still no audio. I think it's a heat issue compounded with something else.
Also, my music computer isn't fully seeing my mixer. Some sends just don't exist.
I'm going to try and raise the mixer so that it has better ventilation underneath but I think that will only and possibly help with what I think it a heat issue.
Any help or ideas would be greatly appreciated.
Thanks in advance.
Jermykeys

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