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Yoder YS 640
Door Open Function
When the cooker has been in maintenance for more than 10 minutes and the cooker
loses more than 15 degrees, the program interpretes this as the cooking chamber door
has been opened. When this happens there is a specic piece of programming that is
executed to help to quickly recover and get back to the set point.
Prime Button
The prime button overrides the program altogether and turns the auger continuously,
feeding pellets as long as the button is depressed. This is valuable anytime you have
had the door open for a long time and have lost signicant temperature or if you want
to raise the cooker temperature from say 250 to 350° F. To use this function hold the
prime button, 60 seconds on and then 60 seconds o. You may repeat this twice allow-
ing at least two minutes before repeating.
