What is the problem?
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Preheating from web GUI stops after 2 seconds.
Print starts without heating
What did you already try to solve it?
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Tried failsafe mode
Have you tried running in safe mode?
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Yes
Did running in safe mode solve the problem?
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No
Complete Logs
octoprint.log, serial.log or output on terminal tab at a minimum, browser error console if UI issue ... no logs, no support! Not log excerpts, complete logs.)
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Send: M104 S255
Recv: ok
Recv: T:23.79 /0.00 B:21.25 /0.00 @:0 B@:0
Recv: T:23.79 /0.00 B:21.21 /0.00 @:0 B@:0
Recv: T:23.75 /0.00 B:21.25 /0.00 @:0 B@:0
Recv: T:23.75 /0.00 B:21.25 /0.00 @:0 B@:0
Recv: T:23.79 /0.00 B:21.25 /0.00 @:0 B@:0
Recv: T:23.75 /0.00 B:21.25 /0.00 @:0 B@:0
Additional information about your setup
OctoPrint version, OctoPi version, printer, firmware, browser, operating system, ... as much data as possible
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Printer ender 3 pro All stock
Octoprint 1.5.2
Have been running as long I can remember flawless but now suddenly it behave like this.
Prints perfect from sd card