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Solved: Boss FS-6 not working on Nord Stage 4

Posted: 25 Feb 2026, 19:33
by kalivodv
Hi, does any of you guys use Boss FS-6 pedal on Nord Stage 4?

I am on latest firmware 1.64 and I can't get it working.
I use TRS jack connected to A+B. After connecting the pedal, Nord display error message "incompatible control pedal". Polarity of both switches are set to left and in pedal configuration on Nord I got "Dual closed". But it doesn't matter what I do, I tried switching different polarities on pedal/config, nothing helps.
In pedal menu, there are few "presets" for compatible pedals, but there is none for this particular Boss one.
I saw online that this pedal should work on NS4 so I went and bought it. :/
Is it possible the newest firmware blocks usage of "incompatible" pedals?

Any help appreciated :)

Re: Boss FS-6 not working on Nord Stage 4

Posted: 25 Feb 2026, 22:53
by FZiegler
Did you insert a battery? It may be mandatory.

Re: Boss FS-6 not working on Nord Stage 4

Posted: 26 Feb 2026, 00:53
by maxpiano
FZiegler wrote: 25 Feb 2026, 22:53 Did you insert a battery? It may be mandatory.
It is mandatory (I confirm, I had a FS-6 and changed it because of that)

@kalivodv: to which input of NS4 are you connecting it, Program up/down I presume (right)?

Re: Boss FS-6 not working on Nord Stage 4

Posted: 26 Feb 2026, 02:57
by kalivodv
FZiegler wrote: 25 Feb 2026, 22:53 Did you insert a battery? It may be mandatory.
Yes, I did.

Re: Boss FS-6 not working on Nord Stage 4

Posted: 26 Feb 2026, 03:07
by kalivodv
maxpiano wrote: 26 Feb 2026, 00:53
FZiegler wrote: 25 Feb 2026, 22:53 Did you insert a battery? It may be mandatory.
It is mandatory (I confirm, I had a FS-6 and changed it because of that)

@kalivodv: to which input of NS4 are you connecting it, Program up/down I presume (right)?
Ok, I am dumb. :lol: I was using "control pedal" input and it should be in "foot switch". :facepalm: :facepalm: :facepalm:
This is it. Thanks for asking the right question, haha :D

Btw what pedal do you use instead of FS-6?

Re: Boss FS-6 not working on Nord Stage 4

Posted: 26 Feb 2026, 08:09
by maxpiano
kalivodv wrote: 26 Feb 2026, 03:07
maxpiano wrote: 26 Feb 2026, 00:53
FZiegler wrote: 25 Feb 2026, 22:53 Did you insert a battery? It may be mandatory.
It is mandatory (I confirm, I had a FS-6 and changed it because of that)

@kalivodv: to which input of NS4 are you connecting it, Program up/down I presume (right)?
Ok, I am dumb. :lol: I was using "control pedal" input and it should be in "foot switch". :facepalm: :facepalm: :facepalm:
This is it. Thanks for asking the right question, haha :D

Btw what pedal do you use instead of FS-6?
Good you found where the issue was ;-)

I didn't buy another double switch pedal for Program changes (I don't actually need it, it was an experiment but in case I have also a M-Vave Chocolate Pro that can do the job via MIDI). Any passive double momentary switch pedal would work, staying on Boss there is the FS-7 which doesn't require a battery.