There is a bug in the code #668
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The bug is not in the official marlin 2.1.x bugfixes folder but I can find him here. If you try to compile marlin with your marlin-folder you get an error:
Marlin\src\lcd/e3v2/proui/dwin.h:123:21: error: 'LEVELING_BED_TEMP' was not declared in this scope
123 | int16_t BedLevT = LEVELING_BED_TEMP;
|
This error occurs because the variable "LEVELING_BED_TEMP" doesn't exist if disable Preheat before levelling ==> //#define PREHEAT_BEFORE_LEVELING
You should implement a way to only use the "LEVELING_BED_TEMP"-variable when "PREHEAT_BEFORE_LEVELING" is enabled.
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