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Samsung dryer is not drying. Thermistor does not have continuity. Is this switch normally open or closed.
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Originally Posted by: dave hill  Samsung dryer is not drying. Thermistor does not have continuity. Is this switch normally open or closed. Dave, A thermistor has a preset resistance range , and should not be either an open or closed circuit. At room Temperature(78 dgrs.) there should ba a resistance of 10,000 ohms across the two terminals, with the wires disconnected. The thermistor has a negative coefficient, so as the temp. increases, the resistance decreases. The control board circuit is looking for a specific range of resistance to determine the condition of the heat and temperature being produced so the dryer will work most efficiently. Part number: AP4201716
Good Luck, :) :) :)
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