Aillio doesn’t start

Troubles!
The panel won’t lit up and I cannot start preheat or do anything. The Aillio also cannot connect to the Roast Time.
I opened the front panel to change thinner washer combination since the roaster was spitting green beans from the beneath of the door last week. Could you give me some advices on this. Thank you.

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I opened everything ….the back , the bottom and the panel and pulled and pushed all wires. The Aillio is now working and I roasted 2 batches of a pound each… The roaster seems to be working normally …it also didi not spit green beans at all. I replaced two washes to thinner combination as I was advised several days ago here. Thank you.