Any advice for a dead module?

[SynthWizard]

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Any advice for a dead module?

<!-- SC_OFF --><div class="md"><p>EDIT: Apparently a batch went out with the wrong polarity. So I flipped the cable and it worked!</p> <p>I bought the Acid Rain Switchblade used and it seems to be dead. The seller said it was working fine before it shipped and offered a refund, so I tend to believe him. I really do want the module tho so I was wondering if anyone had any ideas to try. I've tried different ribbon cables and different cases and nothing. The red stripe was never backward; apparently, this module has protection for that anyway. The module has lights on it and they haven't so much as flickered once. I'm open to suggestions!</p> </div><!-- SC_ON --> submitted by <a href="https://www.reddit.com/user/Imagined_World"> /u/Imagined_World </a> <br/> <span><a href="https://www.reddit.com/r/modular/comments/wcpodw/any_advice_for_a_dead_module/">[link]</a></span> <span><a href="https://www.reddit.com/r/modular/comments/wcpodw/any_advice_for_a_dead_module/">[comments]</a></span>