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temperaturecontrol [2018/05/31 12:42]
91.162.188.175
temperaturecontrol [2018/06/04 21:27] (current)
51.6.19.20 [Runaway detection]
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 <callout type="​warning"​ icon="​true"​ title="​Cool down timeout">​ <callout type="​warning"​ icon="​true"​ title="​Cool down timeout">​
  
-**NOTE** ​ If you set <​kbd>​runaway_cooling_timeout</​kbd>​ then understand that if you set a bed temp when the bed is already hotter than the setting it will need to cool down within the time period you set. If the bed has a lot of thermal mass then this may take a long time or actually never happen, and a timeout will occur eventually. This is why it is disabled by default. However if you do reduce the bed temperature during a print you **MUST** set this value otherwise you will get a runaway detection error if the new temp is lower then the current temp.+**NOTE** ​ If you set <​kbd>​runaway_cooling_timeout</​kbd>​ then understand that if you set a bed temp when the bed is already hotter than the setting it will need to cool down within the time period you set. If the bed has a lot of thermal mass then this may take a long time or actually never happen, and a timeout will occur eventually. This is why it is disabled by default. However if you do reduce the bed temperature during a print you **MUST** set this value otherwise you will get a runaway detection error if the new temp is lower then the current temp. This is also true of setting the hotend temperature lower while printing, then you also need to set this timeout correctly.
 </​callout>​ </​callout>​