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MPK261 Mod Wheel Issue

Hello All,

I am having problems with my mod wheel on my MPK261. My modulation is changing by itself without the mod wheel moving.

Also, I only have half of the modulation range when I use the mod wheel.

I found a YouTube vid of someone with the exact same problem. Please view https://www.youtube.com/watch?v=Yc0Wk... for any example of what my problem is.

I have tried resetting to factory default settings and the problem persists.

Is there any update or new firmware for the MPK261? If so, would you please provide a link to download?

Thanks in advance.

Kind Regards,

Jesse
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  • Hello Jesse,

    Thanks for the post. Sorry to see you're having trouble!

    If the MPK261 is sending MIDI data without you touching a control, it may be due to a hardware issue.

    In this case, please call or email the tech support team. They'll run through some further troubleshooting with you. Here are their contacts:

    USA & Canada
    Phone: 401-658-5765
    Hours: Monday - Friday 8:30AM - 6:30PM EST

    Germany
    Phone: +49-2154-81299-20
    Hours: Monday - Friday 9:00AM - 5:00PM CET

    UK/Europe
    Phone: 44(0)1252-896040
    Hours: Monday - Friday 9:00AM - 6:00PM BST

    Brazil
    Phone: +5511 - 3222-6476
    Hours: Monday - Friday 9:00AM - 6:00PM BRT

    Email
    http://www.akaipro.com/support
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  • Hi Dan,

    Thanks for your reply.

    I will email the tech support team and request that they call me to help troubleshoot this problem, as suggested.

    Quick question: Is there a contact for the tech support team in Australia? If so, would you be so kind to provide me with their number? Thanks.

    Cheers,

    Jesse
    • Hi Jesse,

      We don't have a support team in Australia, so you'd actually want to contact the distributor there first.

      http://akaipro.com/company/internatio...

      On second thought, in terms of troubleshooting, all you'll really need to do to confirm a hardware issue is see if the same symptom occurs on multiple computers and a different USB cable (if possible). That way you'd know it must be the MPK261 itself.

      Also, you can use a simple MIDI monitoring software as a more "objective" test. Here are a couple free ones:

      Windows: MIDI-OX

      Open MIDI-OX with all other programs closed. In the Options>MIDI Devices section, select your controller ports from the MIDI Input menu. Click OK.
      Now MIDI-OX will simply list all incoming MIDI messages.


      Mac: MIDI Monitor

      Open MIDI Monitor with all other programs closed. In the "Sources" section, check the boxes for your controller's ports.
      Now MIDI Monitor will list all incoming MIDI Messages.


      Basically, if you see any MIDI messages coming through without you touching anything, we know that it's the MPK261 and not some other odd problem caused by your software.
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  • Anyone had any luck fixing this? It seems that once it breaks then that's it. The only option is to block it in your DAW and not be able to use it? Happened to my MPK25 as well and support hasn't helped. What to do?
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  • I have the same problem. Past a year since I bought the mic 261. In Japan. Will call Monday, but for now the keyboard is useless for any sounds I want to use the mod wheel with. It still works as the bottom manual for my Electro 4D...buy this really makes me angry. I guess Akai is just not good at making reliable products. The thing has never left my house, and been treated like a baby...
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  • I’m frustrated
    Again I will resurrect this old thread. My MPK249 modwheel now goes down to about 45 on the low end, if I push it hard back it starts to continue going down. The firmware thinks it is set to full range. Very disappointing, no wonder my synths have spontaneously been going out of tune and into perma vibrato. I'v ehad to block midi input on channels once I've managed to get the notes in, then reset my presets to my desired start settings... If I edit the low range up in the settings it moves up from 45... so then my low end is positively offset based on whatever value greater than zero I have set.

    Anything to do other than call support? I notice there was never a firmware update.
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  • I have the same problem on the Akai MPK61 with both the Mod Wheel and the Pitch Bend. I think I'm going to have to take it apart and disconnect them. This sucks and support will only say "send us $150 and your midi controller & maybe we can fix it". .
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  • I’m frustrated
    1
    i was hoping that with the new models akai would fix the problems with these machines sending out ghost data...unfortunately that isn't the case...i've bought the mpd 32 and the mpk61 eventually upgrading to the mpd232 and the mpk261...and i bought them all brand new...do the math...i've been loyal as hell to akai...but after having to go through this again after dealing with it on the mpk61 i can firmly say i will NEVER EVER EVER buy another akai product...and to make matters worse....my 2 year squaretrade warranty expired last month...so i'm either gonna have to buy a completely new midi keyboard or pay to get this one fixed...(cue the akai representative talking about how sorry he or she is and then pointing me in the direction of their authorized dealers)...lol
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  • I’m frustrated
    1
    Hey Kevin, I'm was as frustrated as you and when I saw that owners of the v2 hardware were still having the same issues I decided my next controller will definitely NOT be an Akai. A couple of weeks ago I opened up my MPK61 and disconnected the connector for the pitch bend and modulation wheel until I can replace the top right PCB board. I've found that I can use other ways to control the pitch bend & modulation by assigning the other knobs and sliders on the Akai to the software of my DAW. This only works because they aren't affected by the ghost midi note issue (at least not yet!). Is it as convenient? No, but at least now I can work around the issue until I get it fixed or buy another controller (except ANYTHING from the AKAI BRAND!!). It's ridiculous that their v2 models have the exact same issue.
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  • I fully share the general attitude here. I've babied my MPK88 like crazy, dust cover and all. I rarely even use the mod wheel, but it is now only registering data from 40 to 127, and all motion between slightly above center to the top, does nothing. No ghost input yet, but this lack of range renders a great deal of instruments useless!

    So has it been verified that this is an issue with that PCB, and not mechanical? I was kind of hoping it was mechanical, so I could at least attempt to fix it without giving Akai any more of my money, but if it's a PCB issue, that's even more ridiculous and infuriating.

    I know it's already been asked, but has anyone had any luck in actually repairing this issue themselves?
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  • I’m PEE-ODE
    I bought an MPK261 about 2 years ago. Barely used it and in less than a year the pitch bend started sending out constant note bend messages. $146 bux later that finally worked but the machine really is incompatible with MOTU DP9. All the techs told me when I complained that there were no presets for MOTU DP9 was that MOTU keeps their software a priority and they don't share it with Akai to develope a preset control like they did for Logic, ProTools, FL etc. BUT, nowhere in the ads did Akai mention that MOTU was not really supported and that it would be a nightmare to set it up to use with DP9. None of the transport functions will work, setting up the sliders and knobs with independent CC numbers while easy enough to do..still does nothing to affect the midi input. Midi monitor shows that the Akai is sending but..the midi messages have no effect.. I think I paid $499 new and $146 for repair in the first year. ANd still the Akai works no better in MOtU DP9 than the cheapest midi controller. Lots of nice buttons and colors that do nothing. GRR.
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  • I'm also experiencing this same problem... is there a fix yet?
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  • Hey all,
    I know it's been a while since I posted this, but I thought I'd let all you know what the outcome was. I spoke to the retailer I purchased it from and they sent it back to Akai for repairs. Akai didn't end up fixing the mod wheel problem, so they ended up replacing it with a brand new MPK261 (covered by warranty). Since Akai didn't fix the problem, I imagine the fix is rather hard or expensive. Good luck everyone.
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  • 1
    Solution

    Hello, I had the same problem, but you can easily fix this with tuner/contact spray (not the cheap one!). It’s not a software problem. You have to open the MPK to get to the poti, an clean it with air pressure. Then use the contact spray.
    This worked perfect for me, it now reacts good, all valuables from 0-127 are possible and there no ghost data.
    I hope it works for you too.

    Best,
    Jonathan
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  • The DeoxIT spray is a great and simple solution. If it works for you, you're lucky. It didn't work for me. I can also confirm that this is a hardware problem, and not a chip or software. Akai used really cheap potentiometers.

    You already have to open the device to use the spray, so if you're ok with a little soldering (or learning soldering from some youtube videos), you can simply replace the pot, which is what I did. The pot I purchased has different specs than the original, but it fits and works perfectly.

    I purchased the pot from MPCStuff.com. They seem to have just about everything. If you don't like the soldering idea, you can also buy the entire mod wheel/pitch bend assembly, and just swap the whole thing out, but at a higher cost, of course.

    Hope this helps.
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  • I’m frustrated
    Same thing has happened to my MPK61, which I have taken good care throughout the years.

    Going to give Jonathan's solution a try if AKAI does not respond for it. But it seems that this is a factory issue, hence why I think the fair thing would be for AKAI to respond for this even if it's outside of the warranty period.
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  • After doing more research I realized the mod/pitch wheel issue is very common and not limited to Akai midi keyboards. It's just a fact that regardless how clean you keep the outside of the unit that over time the potentiometers will get dirty which can cause random readings and eventual failure. Using canned air alone to clean out the dust is probably not enough to address the problem.

    Yesterday I decided to tackle this issue again and bought DeoxIT spray from Guitar Center (they only had one "Gold G5" can left which as kind of expensive IMHO). I opened up my MPK61 and sprayed the mod & pitch wheel potentiometers, then moved the wheels back and forth a few times.After letting them dry for a few minutes I reattached the mod/pitch connector and put the unit back together. So far I'm getting the full range (0-127) and I've had it connected via USB for about 16hrs. I'll report back if things continue to go well over the next week or so. If the problem returns I'll probably either replace the pot or resolder the contacts.
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  • I’m frustrated
    I'm having this same exact problem with the mod wheel sending midi data. I guess I will have to attempt to fix this myself. This should be looked into by Akai and address ed and fixed weather in or out of warranty. I expect better from Akai... Mpk249 Mod Wheel Issues....COMMON PROBLEM WITH THIS MODEL IN PARTICULAR!!!!
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  • im having the same problem...both pitch wheel and mod wheel sends random data erratically. Also, when the pitch wheel is resting in the middle, it reads 127 instead of 064. This is very annoying, and makes this controller barely usable. I will try cleaning the potentiometers. Hopefully this fixes things!
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  • WTF, here also :(

    - bought second hand MPK261, returned it because the D4 key was not giving correct values
    - bought NEW mpk 261, pitch wheel does not give stable output values when moving to max level
    - bought second hand Max49, modulation wheel is giving output values all the time.

    I opened up the MAX49, used air and contact spray on the wheels and it seems to be solved now.
    Please Akai, you just gave me a heart attack !
    If you sell Professional labeled products, then please be it pro quality ! :-/
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  • Just found out that the pitch wheel is so loose and bouncy that it shakes the sound when releasing, on my Max49 (is a demo model, so used) and my new mpk61 is also sensitive.
    Akai, please please please upgrade your products quality !
    Like this they are way overpriced !!!! :(
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  • 1
    So the problem came back for me the other week. This time I noticed that the pitch bend wheel was a bit loose. If I held it to one side it would sometimes stop the continuous controller messages. I'll probably replace the pitch bend/mod wheel assembly next since the De-oxit & the dust remover didn't work this time around. For now I've disconnected the pitch/mod wheel again.
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  • I'm looking for that spare parts akai site again.
    Anybody knows where?
    It's a shame akai doesn't take more care of their products and support :(
    In Belgium I need to contact UK. Can you imagine?
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  • Can somebody point out what part this pot meter is or what are the tech specifications?
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