This article describes a rare issue that can occur with UAFX pedals and version 1.0.0 firmware.
Symptom
UAFX pedal effect processing is not audible, even after verifying power and audio connections.
Solution
This issue only occurred with version 1.0.0 firmware and was resolved with later versions. To solve this, we recommend you update your UAFX pedals to their latest firmware by following the steps in this article.