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[2.0.x] SECURITYFIX missing max temp error when PID is used#11717

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thinkyhead merged 3 commits intoMarlinFirmware:bugfix-2.0.xfrom
AnHardt:2_Fix_max_temp_errors
Sep 5, 2018
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[2.0.x] SECURITYFIX missing max temp error when PID is used#11717
thinkyhead merged 3 commits intoMarlinFirmware:bugfix-2.0.xfrom
AnHardt:2_Fix_max_temp_errors

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@AnHardt
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@AnHardt AnHardt commented Sep 4, 2018

Adding the ability to get max temp errors while tuning the PID parameters broke the ability to throw these errors during normal use.

Adding the new condition would have been better than replacing the old one.

Related issues:
#11643 "Printer increases temp to 325C when set to 235C on second layer WITH thermal runaway enabled"
caused by
#8126 "Fix M303 thermal protection"
#8103 "Marlin 115 tried to burn my house down during PID tuning"

Adding the ability to get max temp errors while tuning the PID parameters broke the ability to trow these errors during normal use.
And remove the dependency to heater on for the max_temp_error to get errors when booting with a stuck/overtemeratured heater.
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AnHardt commented Sep 4, 2018

See comments in #11718.

@thinkyhead thinkyhead merged commit 530a13a into MarlinFirmware:bugfix-2.0.x Sep 5, 2018
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thinkyhead commented Sep 5, 2018

@AnHardt — Does this affect the behavior we applied a while ago, where temp errors would only be thrown during heating? I remember we added that so it would be possible to run the machine without any thermistors connected, for testing and development, as long as heaters are off.

@AnHardt AnHardt deleted the 2_Fix_max_temp_errors branch September 5, 2018 11:09
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