5.2.0.12879 issues - darn it!

Quote from prsgary

I was really looking forward to this release with it's advertised 'fix' for the volume links, which WAS affecting my amp and killing my volume on stage rather arbitrarily.

Well I tried it at my St. Patty's Day gig last night... and my volume just faded away quickly in one song to nearly inaudible after 2 sets. I quickly "unlinked" the main volume, which did nothing, and then rebooted, and the volume was back... for a while that is. In all I needed to reboot the KPA 3 times to just make it through the night. Fortunately I had enough keyboard songs to play that we just changed song choices while rebooting, so the audience was none the wiser. I just wished this problem would truly be fixed and just go away for good!! I've never heard of an amp doing this.

Have you checked your rig and main volume knobs? Do the LED indicators on them move by themselves? It could be that a pot is failing. I haven't had this problem with my Kemper yet, touch wood.

Quote from nightlight

Have you checked your rig and main volume knobs? Do the LED indicators on them move by themselves? It could be that a pot is failing. I haven't had this problem with my Kemper yet, touch wood.

Since these controls on the KPA aren't actual "pots" this would never be the case. They are rotary encoders whose values are read in software by detecting the rotary motion rather than an absolute location of the control. The way these work a failure would not exhibit this type of behavior. This is not to say that a different failure in the encoder detection circuit couldn't cause an issue that would cause the software to react as though the knob had been turned but that is not a failing "pot" per se and is a rather unlikely failure scenario.

Thanks for the update. I was goning to install it tomorrow , but now I'll wait till my next 3 gigs are done and I have a bit of a break

Hey Gaz, do you think you might be able to add this to the feedback thread? I know the peeps at Kemper prefer the convenience of having everything in one place:

FW 5.2.0.12879 Public Beta Feedback Thread

I have never had this happen (knock on wood). Do you use the Remote? Are you connected to a computer via USB?
Do you use the morphing feature?

Just trying to see what the difference might be with people that have this issue, those that do not.

Quote from prsgary

I was really looking forward to this release with it's advertised 'fix' for the volume links, which WAS affecting my amp and killing my volume on stage rather arbitrarily.

I really doubt that this has anything to do with volume linking. If that happens, you can check the volumes at the OUTPUT section. If the linking would be responsible, you would see the 'changing' or 'fading' values there, but I don't think that will be the case. There must be a different reason for this.
If it happens again, please check the OUTPUT section, check the Pedal settings in the SYSTEM menu and contact support.
Are you using the Remote?

@prsgary - is the output glitch similar to this?

It's anyone's guess at the moment I reckon, Gaz.

You say it's been manifesting for 3 or 4 months now. Can you remember if it followed a FW upgrade, major Rig cleanout, RM upgrade or some other data-intensive action, or was it something that literally came out of the blue?

Same problem here...back to 5.1.1 OS

@prsgary In order to analyze this further we need more specific information:

I understand, Master Volume didn't recover normal level. But did it have any impact at all or was it just dysfunctional? Earlier you mentioned that you unlinked MAIN OUPUT from Master Volume. If that is still the case and MAIN OUT is the output you use, Master Volume should have no impact.

What about Main Output Volume? Is Main Output Volume able to recover normal level or is it completely dysfunctional?

I understand as well, you are using an expression pedal configured as "Wah Pedal" and the link "WahPedal to Volume" is activated. If the issue happens, what are the levels of the Wah Pedal and Volume Pedal bars on page Pedal Links in the System Settings?

Is the lower level corresponding to a less responsive input LED? Perhaps the issue evolves at the input? Which input are you using for your guitar? Have you tried ALTERNATIVE IN instead of Front INPUT or vice versa?

Is any Morphing involved? If the issue happens, does the bar reflecting the level of Morphing on the Play Page show up?

Instead of restarting ... have you tried to create an Output Preset of your preferred output configuration and just reloaded that Preset? You could also try to perform an Init Globals in the System Settings and then reload your Output Preset.

Do you experience the issue in both Performance Mode and Browse Mode or in which one?

If you have more information, please open a support ticket, attach a backup of the error situation and information as specific as possible.

One more question

What if you adjust all pedal assignments for Profiler and Remote and set pedal sockets, that you don't use, to "off"?

Any chance that something else in your setup is sending midi information to your KPA, ie keyboard, sequencer, midi controller, ect? What is your midi chain?

@prsgary many thanks for the information!

The pedal controllers would be my first item to be checked, if the issue reoccurs.

One more question: If the issue happens is there little sound or no sound?

I ran into a similar issue on a gig on Sunday. Sudden loss of volume (zero) and an unresponsive Volume pedal.

Setup: Pigtronix dual pedal via Planet Waves Stereo cable into Sw/Pedal socket 2 - Mode 1 (Powerhead on latest Beta - I like to live on the edge!)

On the gig I fixed it by unplugging / replugging at the pedal end.

In my studio this morning, I had another go and reproduced the issue by rotating (not removing) the jack at the pedal end. The calibration bar goes to zero and stays there. Further rotations don't reconnect.

I’ve held the jack still while rotating the cable, to test for a dodgy cable but that doesn’t do it.

Additionally by plugging the Planet waves cable into a short adapter cable (Stereo line socket to right angled jack - cheap stuff - Maplin) and then rotating the the right angled jack in the pedal socket - no problem at all. Similarly, rotating the Waves jack in the line socket - no problem.

I have run similar tests on two other cable with no problems.

So, all eyes turn to the Planet Waves cable but this tests as AOK with a cable tester. I don’t know if it is one of their ‘directional’ cables i.e. shield connected at only one end so I did reverse it for the tests but no difference was noted.

All very odd (and long winded)!

My solution - try / use other cables - there is a difference. (Capacitance?)