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mbtainton

HX Effects - Expression pedal keeps setting to off

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Is anyone else having issues with their expression pedal setting itself to 0? It’s been driving me nuts all night. I’m using an Ernie Ball VP Jr running into Exp1 on the HX and with the pedal set fully down it will work fine for a while and then suddenly the volume will cut out until I rock the pedal back to full off and then back to full on once more. 

 

It happens with different presets. It happens with the VP Jr controlling different parameters. I’ve switched the TS cable connecting the pedal to the HX and it still happens. 

 

It’s like the HX just turns it off until you rock the expression pedal off and on again. 

 

Any ideas what’s causing it or how to fix it?

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 Do you have the recent 2.7.1 update? It specifically addresses some expression pedal issues.

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Ok, I’ve upgraded to 2.71 and the issue still occurs. Seems like it’s related to the VP Jr because when I swap the VP Jr for a Mission L6 I seem to have no issues. The VP also seems to work fine in front of the HX as just a straight volume pedal. No signal loss when used that way. 

 

No idea why the VP Jr is causing issues when run into the Exp 1 of the Helix. 

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