Machines and Belts: Diagnosing a Stalled Production Line
Follow a stalled line from resource input to machine processing and finally output. Main Sequence explicitly combines machines, belts and expanding
FAQ
Which checks come first?
Why does the patch version matter?
Which checks come first?
Check that the needed input exists, the machine has power and the output has somewhere to go. Those checks follow the documented production structure. They are a diagnostic order rather than a measured guarantee that one specific layout is optimal.

Why does the patch version matter?
Playtest 2 Patch 1 fixes disabled machine outputs reconnecting after nearby belts are dismantled and replaced, along with assembler input tooltip and quick-select filter problems. These are dated fixes, not proof that an unchanged bug exists in every later demo.
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