Ensoniq ESQ-1 weird display

My esq1 (metal) display doesn’t work (no display) when powered up. I noticed that when I press any soft buttons, it will show numbers. I tried soft reset but still didn’t work. Maybe somebody out there had the same issue and got it fixed. Thanks in advance.

The display is in ‘self-test mode’, which means that it is not communicating with the main board. This could mean something as simple as a loose ribbon cable, or it could be more serious, like a main board problem. But certainly the first thing to try is to unplug and reseat the ribbon cable that connects the main board to the display board.

Thank you for quick response. I will definitely try this and let you know.

Sam, I just want to let you know that I got my Esq1 alive again by doing what you told me. I cleaned all cable connectors and that’s all it needs to get it back to life. Again, thank you very much.

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