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There is some thermostats that if bad, will prevent the heater from working. If you access the heater, you have 2 wires coming to it. Unplug both wires from the heater, and make sure they are not touching metal. Then test for power to each wire. Each wire should show 120 VAC. If not, trace the dead wire until you find the voltage. Then you have located the bad part in the unit.
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I tested for voltage as you said. Took the red and blue wire off the heater element....reading 120 V off each wire when turned on. I know the heater element is good. I know all three thermostats ohm good and even when as far as jumping across all of them did not produce heat. .
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Rank: Advanced Member
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Ok, then you are either dropping ground, or the element is bad, but testing good. If the voltage is there, it should heat.
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when I put a ext. Cord on it get heat & it runs fine other then no heat
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It needs 240 VAC to heat and an extension cord is 120 VAC. It is not going to heat with 120 VAC, but it will run.
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What's the thermistor do Samsung gv vague spec 10k@77F no good or bad range. original 1 & new 1 mtr 15k @ 50 degrees.
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Rank: Advanced Member
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Post a question under the Question and Answers section on this part page. Include your email and I will send you some information to help you on this model. Thanks. Part number: AP4201716
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My dryer is 14 months old heater just stopped. The heater relay gets 240v on the black line feeding the relay but when turned on the relay never closes to transfer the 240v. I i by pass the relay heater kicks right on i replace control board 3 time from different companies and no change on any of them replace the display board no change replaced thermistor and still no change need advise.
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Rank: Member
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Joined: 12/6/2020(UTC) Posts: 0  Location: new york
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Originally Posted by: Cablesplicer  Does this dryer have a fuse element...if so were would I find it? I want to make sure I understand you correctly about getting 240 volts to the heat element red and blue wire for Samsung dryer not heating. Does the 120 volt blue wire come down from the pcb board relay to one side of the heat element. And does the 120 volts on the red wire at the heat element comes directly of the line 2 input feeder then goes through the motor centrifugal switch then to the other side of the heat element? Hence we have two 120 volt inputs to the heater element. Is that correct? This no heat trouble is really strange. so you replaced the heating element?
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