Rank: Member
Groups: Registered
Joined: 9/1/2014(UTC)
Posts: 2
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Hi guys,
If anyone can solve this conundrum, I would be both impressed and extremely thankful! Here is the problem in a nutshell:
My electric dryer will not heat. The heating element shows 240volts when the dryer is on. Each leg shows 120volts to ground. The element resistance is 10Ω. Testing the case of the heating element to each lead on the element shows no continuity, therefore no short.
More background: I have either tested for continuity or jumped every piece of equipment on the electrical path that contains the heating element, and everything checks out. Everything else on the dryer runs as it should.
This thing has stumped me. I absolutely can't understand how the heating element has 240 volts flowing through it, and has the proper resistance, yet produces no heat. I am hoping someone smarter than I sees this and can provide an answer. In other words HELP, please!
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Rank: Advanced Member
Groups: Expert
Joined: 10/16/2012(UTC)
Posts: 3,806
Was thanked: 7 time(s) in 7 post(s)
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Voltage does not "flow". Voltage is a difference of potential between two points. It is current that flows through the heat element. I suspect that there is a break in the element that is causing the problem. The break can still be making contact and heater element tests good with the low voltage and current that the meter produces but the break cannot pass the high current required when full 240vac is applied.
Eric
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