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[FR] Modify "Hotend Idle Timeout" on gui or by commands #25037

@Zincr0

Description

@Zincr0

Is your feature request related to a problem? Please describe.

Currently, the "Hotend Idle Timeout" cannot by disabled or its value modified without recompiling.

It's unclear if this timeout is the same as https://marlinfw.org/docs/gcode/M085.html

This timeout shutdowns not only the Hotend temperature but also the bed temperature, which is at least misleading
and can easily ruin prints if it ends up unsticking the print from bed.

There's no way (or at least it's not documented) to know what the actual value is by commands.

On some printer configurations, it's recomended to warm the bed for at least 10 minutes. This seems to be just about the value from "Hotend Idle Timeout" ("seems" because there's no documented way to know what the actual value is) so it's simple useless for those printers.

Are you looking for hardware support?

No response

Describe the feature you want

Document if the "Hotend Idle Timeout" is the same as https://marlinfw.org/docs/gcode/M085.html or add some way to modify it without recompiling. Also separate the bed temperature timeout from the Hotend temperature timeout.

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