Use the manufacturer's current notice and provide the exact model and installation details it requests. A brand name alone cannot establish whether a particular disposer needs corrective action.
What the observation tells you
InSinkErator has published a UK and Australia notice concerning certain air-switch arrangements. Its identification process considers more than whether the appliance has an air button. Do not dismantle controls, assume all products are affected or rely on an unrelated overseas recall summary.
A useful next step
Follow the official route for confirmation and the manufacturer's interim instructions. If the appliance is already damaged or operating abnormally, stop using it and explain that condition when contacting the manufacturer.
Manuals and supporting guidance
Model-specific instructions take priority. These references support the practical principles discussed here; they do not diagnose your appliance.