Zoom 506 Bass Pedal/Effect Box.

I Have One That I Use With My L 2000 Bass And My Fender Vintage Hotrod 57. It Cuts Or Shorts ?. Out At The F4 Setting. How Do I Fix It ?. Any Ideas. Thanx In Advance If You Have An Answer.

I've got an old 707 pedal that I use once in a while. Perhaps try reloading/resetting to factory settings?
With the 707 I believe you power it On while holding the Store button to perform a reset.

Thanx For Your Suggestion. It Did Reset But Cut Out After Ten Mins. I Think Someone Spilled A Beer On It At One Time. Next Stop Multi Tester And A Good Cleaning. Thanx Again.