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temperaturecontrol [2018/06/04 21:27]
51.6.19.20 [Runaway detection]
temperaturecontrol [2019/03/04 12:18] (current)
wolfmanjm [Runaway detection]
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 You can disable this by setting it to 0. You can disable this by setting it to 0.
 +
 +Please note that if your PID settings are not correctly tuned, this can get activated by accident because of the "​swings"​ un-tuned temperature curves can have. Please tune your PID settings before activating this feature.
 +
 +If the Smoothieboard is being a bit too strict with detecting the temperatures,​ you can add <​kbd>​runaway_error_range</​kbd>​ as a parameter ( optional ), it is 1° by default meaning acceptable temperature detected can be +/- 1° of the set temp. If your printer tends to not stick close enough to the right temperature,​ increase this value. It only applies to the heat up and cool down timeouts.
  
 <callout type="​warning"​ icon="​true"​ title="​Cool down timeout">​ <callout type="​warning"​ icon="​true"​ title="​Cool down timeout">​
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 </​code>​ </​code>​
  
-Where the value is how much bellow ​or above the target temperature we can be without triggering the alert.+Where the value is how much below or above the target temperature we can be without triggering the alert.
  
 Now, if temperature gets out of the specified range, Smoothie will know there is a problem, enter HALT state, turn off heaters, and show the following message :  Now, if temperature gets out of the specified range, Smoothie will know there is a problem, enter HALT state, turn off heaters, and show the following message : 
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 Error : Temperature runaway on T, HALT asserted, TURN POWER OFF IMMEDIATELY - reset or M999 required Error : Temperature runaway on T, HALT asserted, TURN POWER OFF IMMEDIATELY - reset or M999 required
 </​code>​ </​code>​
- 
-Please note that if your PID settings are not correctly tuned, this can get activated by accident because of the "​swings"​ un-tuned temperature curves can have. Please tune your PID settings before activating this feature. 
- 
-If the Smoothieboard is being a bit too strict with detecting the temperatures,​ you can add <​kbd>​runaway_error_range</​kbd>​ as a parameter ( optional ), it is 1° by default meaning acceptable temperature detected can be +/- 1° of the set temp. If your printer tends to not stick close enough to the right temperature,​ increase this value. 
  
 ==== Recovering from HALT state ==== Recovering from HALT state