oxygen 49 sending unwanted control messages

Hello,
I've got the m-audio midi keyboard oxygen 49 silver.My system is Mac osx 10.7.4 and my daw is Logic pro.
The keyboard sends control messages the minute I turn it on..It keeps sending pan messages,even if I delete them from the event editor,or correct the pan setting it immediately sends the message again..over and over again..Most of the time I don't even see the control message on the event list but my track is panned.It even changes the pan positions on audio channels I don't know how that is possible but it does.It's driving me crazy and messing up my whole project.I tried to reset to factory settings,as it says press data +,- on power up but it doesn't work.Honestly I'm not sure which ones are the data +,- buttons,there are 3 keyboard buttons data 1,data 2 ,data 3 and the manual says the left one is data + the right one is data - but it doesn't work..maybe they're not the right ones..
I would really appreciate if someone could help.thanks in advance.
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  • Hello Zeynep,

    Thank you for contacting M-Audio. To reset the Oxygen 49 hold down the + and -
    under the LED screen when powering on. The Oxygen hasn't been qualified for 10.7.4, but I haven't heard of any issues. You can test the Oxygen outside Logic in Midi Monitor: http://www.snoize.com/MIDIMonitor/
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  • Thanks for the reply!

    I tested the Oxygen outside of Logic in midi monitor.The result is attached...The keyboard sends breathe control and pan messages continuously..I tried reseting to factory settings holding down the + and - under the LED screen when powering on,it didn't work.

    Would be great if you could check the attachment,maybe figure out what's wrong.Thanks a lot!

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  • Hello Zeynep,

    This looks like a possible hardware issue. After a factory reset there isn't anything left to stop the Oxygen from sending these messages. Unfortunately M-Audio no longer repairs or provides parts for the 1st Gen Oxygen keyboards (silver). Do you have another computer to try with a supported operating system?
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  • I’m frustrated
    I'm having the same issue with my oxygen 61 silver except the messages are from the pitch wheel and from Volume control. This keyboard has a seen very little use and never been outside of the home environment. Is there no way to fix this issue?
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  • I’m Pissed Off
    2
    M Audio, I'm very sorry to say but you make shitty products. I don't know how I take out all my frustration, but who ever is reading this! Don't ever buy an M Audio Products. Bc Chutiye hai saale..

    My Axiom Air 25 is sending unwanted pad signals.
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  • I’m super frustrated
    1
    Having the same problem. Here's my monitor report. Running Mac 10.9.5 and Logic Pro X. Just started randomly the other day. Already tried the - + button reset trick to no avail. Any help would be appreciated. ~E

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  • 2
    Hi Eli,

    I'm not sure if it would be any help to you but my problem was solved by - ridiculously- just setting all knobs to 0 on the keyboard. I know it doesn't make any sense but with me it did the trick. Resetting didn't help at all. Give it a try.
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  • Thanks Maudio, i had the same problem but resetting the device, i think my problem is solved. So far so good......keeping fingers crossed.
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  • I’m frustrated
    1
    Yup, getting the same issue.. Wish there was a way to just disable cc messages. I'd just want to use the notes now.
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  • I’m frustrated and angry
    1
    I have a keystation pro88 and it's been doing this for some time now. It's disappointing to hear that there isn't really a fix. For me, even with all the knobs and faders all the way down, I still get pan and volume info being sent continuously. In fact, it seems to have gotten worse just this week...
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  • Same problem here with an Oxygen25.
    I tried Zeynep's suggestion, putting all faders to 0, and it DID work for me!
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  • 1
    Having the same issue with the oxygen 49 and nothing has worked :(
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  • I’m frustrated
    I have the same issue as well with the 49. Random Pitch Wheel events. Resetting actually made it worse. Attached image is after playing a note, then not touching the keyboard. Sporadic Pitch Wheel events were sent with no further keyboard interaction.
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  • one of the keys on my oxygen 49 has a chord trigger that i never set and i reset the keyboard several times and this won't go away
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  • The problem is with analog potentiometers (low quality or dust/wear). The knobs can't get a stable voltage value, and noise is generated creating random control signals. You will need to replace it, with new ones. You can identify the problematic potentiometers using a midi event viewer program (as MIDI-ox) or replacing all the potentiometers, including the pitch and modulation. Or disabling it, disconnecting the cables or soldering a fixed resistor (10K) if you just want to disable these knobs.
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  • My problem was when I'd assign the faders, I get to the 4th one and it started controlling the 1st and 2nd one! LOL Man that pissed me off! But I tried the suggestion of holding the + and - together while turning it on and BOOM! I'm good! Thanks M Audio I love your shit!
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  • Send the meaning of rolex replica the watch: a "table" favorite, equivalent to the ancient keepsake, a subtle expression of love. Valentine's watch is the meaning of: always at replica watches your side. Indicates that life does not separate. Friends watch mean, we cherish every minute, that friendship for a long time. "Walking" and "walking" also means good luck. The meaning of replica watches uk a girl to send a boy watch is to let you control your time, your time is his time. The meaning of girls to swiss replica watches send boys watch is that he always think of themselves, think of him and his best time!
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  • I have an Oxygen 49 blue in win 7 and the stupid thing is peppering my daw with those random midi messages...I'm reading this is fairly common and M-Audio doesn't do anything about it...I was thinking on getting an 88 keys controll it won't be an M- audio for shure...avoid these like the plague
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  • is there anyway i can disable the knobs and keep the keyboard only ? please i've been looking all over the internet
    • yeah, there is, open it, then remove all the potentiometers, make a bridge between leg 1 and 2 and put a resistor same value as the potentiometer between leg 1 and 3. that will left all your potentiometers forever in 0. you will need some DIY skills, a solder, desoldering tape, resistors, and you may use as bridge trimmed resistor legs. the best way to desolder the potes is cutting firts the legs and then removing them one by one fast to avoid damaging the PCB.
      I hope this helps.
      cheers.
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  • I’m confident
    2
    I repair keyboards for a hobby ( retired electronics engineer) so I bought a Blue Oxygen 49 from E-bay the other day. It was sold as faulty so I got it cheap. There were 2 faults with it - No MIDI out, which turned out to be broken print round the USB port (caused by someone who couldn't solder) and when I got it to work, it had the "Sending spurious control messages" problem which a lot of you appear to have. I solved this problem very easily, the 22 microfarad capacitor on the bottom power board (decoupling) was open circuit. This was causing MIDI data to appear on the 5 volt rail and hence caused the instability. I fitted a new cap and the keyboard works perfectly. This could be the problem some of you out there have.
    Regards Paul
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  • 1
    Dear Paul. Thank you so much for your info. Could you please explain it in a more simple manner to us that are useless in terms of "physical" electronics?
    Thank you in advance
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  • I’m happy
    3
    OK, on the bottom panel PCB (which is the one you plug your USB into) there are a lot of components. The main processor IC is mounted on the underside of the board so you cannot see it. In the centre (roughly) of the board there is a black tubular capacitor with a blue stripe down one side. It stands up about 11mm tall & has "Chang" written on it. It is a 22 microfarad 25 volt electrolytic type. On the Oxygen I repaired, (which I am now using very successfully) the copper print under the capacitor was cracked so that it was not connected to anything. This was what was causing the erratic messages fault. To fix it, you need to remove the PCB by unplugging all the connectors. Make a note of where they all go, then unscrew the board & remove it . Turn it over & inspect the copper print , not just by the capacitor but all over the board. If you can see any cracks or loose components then you need to solder them back in properly. Be careful not to short circuit any solder points to each other. If you know someone who is good at soldering, then take the board to them to inspect it for you. I found that this common (and very annoying) fault is almost certainly caused by problems on the bottom board. The rest of PCBs are OK.
    Hope this helps, Paul
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  • 1
    FYI for anyone having this issue. There's another way to fix this. I googled for a while and then figured I would RTFM from m-audio. For me, my pitch bend was broken and constantly inputing midi data and changing my pitch. In fact, when it would snap to the middle, it would be at 77, instead of 64, so it would always be sharp when I played.

    To fix this, on my Oxygen 49 (3rd gen), I moved the pitch wheel first (to make sure it was selected). There's another way to select knobs and keys and it's in the appendix of the M-Audio Manual here: http://www.m-audio.com/support/docume...

    Then I hit the "Advanced" button and pressed the keyboard keys to see what values were selected for Data1/Data2/Data3 (these should be labeled above the white keys). You can flip through them easily without messing anything up. Then I selected data 2, and used the numeric keys to set it to 64 and press the "enter" key. I did the same thing for data 3 and now my pitch bend constantly set to 64 and doesn't interfere! I did the same for my modulation
    • view 4 more comments
    • You have to remove the bottom screws, then lift the top off the keyboard. The Pitch Bend and Modulation levers are held in by screws. Take them out and pull the controls out. You will see a circular hole with a slot in it, this is the actual potentiometer (pot) shaft. All you need do is turn the slot while holding the Pitch Bend knob so that the reading in your display is 64 (with the Pitch Bend centred). Then adjust the Modulation control in the same way so that the range of the control is 0 - 127. Then put the controls back in, check it again and put the top back on the keyboard. The two controls are a bit fiddly to fit back, just make sure you have them back in properly.
    • Thanks Paul... Your advise gives hope. Mine is the key station series... Wanted to know if the on board components could be the same as the oxygen series...And also is there a video tutorial to fix this? Your response would be highly appreciated. Thanks in advance... M-Base
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  • Oxygen 88 here. I have the same problem with it sending random PITCH CHANGE to Digital Performer. Driving me nuts!! This happens with the numbers in the display rapidly changing!.. It's only a few years old. Any help out there at all ???
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  • 2
    Hi everyone. I also have an Oxygen 88 with the 'phantom' MIDI messages problem and the screen changing rapidly when you're not touching a thing. I pulled the keyboard apart yesterday and had a snoop around inside. No cracked circuit traces or anything - did notice that the problem is worse with the slider, keyboard and pitch/mod boards disconnected. Anyway - all back together now and working just as well or badly as before. The keyboard itself is a beauty so I don't want to abandon it just because the sliders send out garbage while you are playing.

    Anyway - this morning I figured out a workaround which works for me - switch off the controllers that are sending out the phantom messages. Doesn't stop the display flashing but no more phantom MIDI messages are sent out. All you do is:

    1, Reboot - power on with [+] and [-] pressed - optional but gets everything to a sane state.
    2. Press the [Advanced] button.
    3. Press the key with 'Ctrl Sel' above it (second from left on mine) and wait for the keyboard to send a phantom controller change - this will select the correct controller. Mine is so flaky it set it immediately.
    4. Press the 'Ctrl Assign' key which is the next white key to the right. Now keep pressing the [-] button to decrement to zero then once more to wrap to 255 - 'OFF' displayed on the screen.
    5. Press the keyboard key marked 'Enter' - it's the highest note on my keyboard - way off where you'd never notice it hiding under a MIDI cable if you please!

    Now the unwanted messages display 'OFF' all the time on the screen and I can play happily without random sh!t happening on the synth patch I'm playing.
    • This is great info! Thanks so much! I hope it works on my Oxygen88....I was about to throw it in the trash so I went ahead and bought a new hammer 88. It feels awesome. Better than the Oxygen88. But maybe the Oxygen88 is still worth something if your programming fix works for me!
    • I know this is a bit old, but I just wanted to extend my gratitude, Nate. Thank you so much for these steps! My Oxygen25 modulation wheel was sending ridiculously spastic messages changing the volume in my DAWs. I really just wanted to disable the modulation wheel as a whole on the keyboard so I could at least just use it for playing. These steps where the screen displays OFF worked perfectly, and I can now play without my level jumping from -3 to +6! Thanks again, I really appreciate your time and consideration.
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  • This is great info! Thanks so much! I hope it works on my Oxygen88....I was about to throw it in the trash so I went ahead and bought a new hammer 88. It feels awesome. Better than the Oxygen88. But maybe the Oxygen88 is still worth something if your programming fix works for me!
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  • My KS88es started doing this the other day. First ghost pitch wheel messages, an hour later also expression pedal data.
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  • I have an old Maudio 49e keystation with a defect volumeslider and turning volume down on certain keys. I saw that it was sending unwanted CC#7 messages which turns the volume down in my case. Just to let you know that there might be another easy workaround for you if you're a WIndows user.

    What I did:
    1) Downloaded Midi Filter Pro.. Its Free(donation possible) http://wokwave.com/old-plugins/html/m...

    2) Used JBridge to change it so I can use this 32-bits plugin in a 64 bits DAW

    2) In my DAW(ableton) I created an extra midi track for the maudio 49e and added the Midi Filter Pro effect.

    3) Routed this to the track with my synthplugin..

    No unwanted controlmessages.. Pitch bend still works and I can can use it just as a normal plain keyboard.

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  • This is an old thread, but a lot of people have this problem.

    The problem is the travel potentiometers on these keyboards are crap. They all will wear out. And M-Audio's technical support and customer service is useless at best.

    What you need is a 30mm 10k ohm travel potentiometer. And if you're going to replace one, you might as well replace all of them. They go for about a buck a piece, but you have to de-solder the old pots out and solder in the new ones yourself

    https://www.mouser.com/ProductDetail/...

    There is where you can find them.

    M-Audio, you guys owe me one now.
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  • I a similar problem with my Axiom pro 49. I thought dust might be affecting it so I opened up the keyboard and dusted the inside of it. Have not had any problems so far. Will update as time goes on.
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  • I’m frustrated
    I got an old M-Audio O2 from a friend that was having problems with random CC's all over the place. In fact, to pinpoint it: all the circular potmeter were affecting each other.

    Whenever I would assign a midi message to one of them, all the others were also controlling it (except it was always randomly "touching" it, never in a straight curve from 0-127, due to the mentioned voltage fluctuation on the 5v rail)

    I systematically checked solder joint etc, as well as the capacitors. When I removed the data slider connector (3 pin), it suddenly stabilized, and the circular controllers were working as expected for the first time. So I just left it unplugged. For some odd reason, it works (well almost). Never got to the bottom of that though.

    At this day and age, I have several better (and more stable) midi controllers than this one, but the size of it is really practical sometimes.

    Andreas
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