Currently Being ModeratedNov 16, 2010 8:43 AM (in response to navigatorline6)RE: Spider IV 75 + FBV Express - "locks up" - no volume
The first thing I would try is a factory reset on the Spider IV:
Hold down the A (or clean) button as you turn on the power and hold the button for 5-8 seconds.
Does the issue only occur when the pedal is connected to the amp?
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