Snarling dogs whine-o not working

Started by 9 volts, January 28, 2020, 06:01:46 AM

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9 volts

Hi there, my whine-o wah is not working. No wah sound. Lights come on. I've traced signal through the unit. Wah pot checked and Is working. No variation on tone or volume when moving the pedal up and done.
Any thoughts?
Thanks

9 volts

Sorted! The pcb traces had two cracks. (around the edge).