I have a Roland RX-100 reverb box, it sounds great when working, but there is a problem I was hoping someone could help me with. Quite often when I turn it on, the signal comes out dry (no reverb, or very little), even when put to full. To fix this I have to lift the box and tap/bash it down a few times. This seems to bring the reverb back into action. Its intermittent though, so the next time I turn it on it will be back to the dry signal.
A royal pain, as I feel like I might damage the reverb if I keep bashing it to get the damn thing to work. I just can't figure out what could be the cause of the intermittence. A loose connection maybe?