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Rostoc Is Waiting For The Aillio Bullet

Machine SetupReviewed 2026-10-19

Summary

When Rostoc cannot reach your Aillio Bullet yet, it does not fail: it waits. A banner reads "Waiting for your …" with your machine's name, the machine's card on Machines says the same, and Rostoc connects by itself the moment the Bullet is ready. You do not need to click Connect again. The line under the title says what is in the way: the Bullet is not switched on or plugged in, your Mac has not allowed it yet, another app such as RoastTime is using it, or the Bullet plugged in is a different generation from the machine you chose. Fix that one thing and Rostoc connects, then shows "Your … is connected" with Open Roast Studio.

Steps

  1. Read the line under "Waiting for your …". It names what Rostoc is waiting for, and the steps below follow it.
  2. "Switch your … on and plug it in by USB. Rostoc connects when it appears." Switch the Bullet on and plug it in. After about 45 seconds Rostoc adds checks: try another USB cable, since some cables only charge; plug it straight into the computer, not into a hub; on a Mac, choose Allow if your Mac asks to allow an accessory.
  3. "Your Mac has not allowed your … yet." Unplug the Bullet, plug it back in, and choose Allow when your Mac asks. The setting is in System Settings, Privacy & Security, Allow accessories to connect.
  4. "RoastTime is open" or "Artisan is open". Close that app. Rostoc does not connect while it is open, and connects by itself once it is closed. If the banner says Rostoc could not tell whether RoastTime or Artisan is open, close them if they are, or choose Retry now.
  5. "Another program is using your …". Close the other program. Rostoc tries again by itself, or choose Retry now.
  6. "A different Bullet is plugged in … This machine is set up as your …". The Bullet plugged in is the other generation. Click "Use it as an R2" (or "Use it as an R1"): Rostoc adds a machine for that Bullet, or selects the one you already have, and connects it. Your first machine and its roasts stay. On a plan with one machine, the button reads "Remove the …, then add the …"; Rostoc asks before it removes anything.
  7. "Rostoc doesn't support the … yet". The Aillio roaster plugged in is a model Rostoc cannot connect yet. Remove this machine if you do not need it, and plug in a supported Bullet.
  8. "Your … is plugged in but not answering." Switch the Bullet off and on again. Rostoc keeps trying.
  9. "Rostoc itself has your … open". Another machine in Rostoc is connected to the same Bullet, or Rostoc's last try is finishing. Disconnect the other machine; Rostoc connects as soon as the Bullet is free.
  10. "Rostoc is still finishing its last try with your …" or "Rostoc's last try with your … has not finished." Unplug the Bullet and plug it back in. If that does not help, restart Rostoc.
  11. After about 90 seconds the banner offers "Still not connected?" with Bullet guide and Ask us. Retry now tries straight away. Stop waiting ends the wait, and the machine then reads as not connected until you click Connect.
  12. Switched the Bullet off after a roast? That is normal: one quiet line says "Your … is off or unplugged. Rostoc reconnects when it is back." If it went away during a recording, the roast keeps recording with a gap and carries on when the Bullet comes back.

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