Question about Dryers
I am working on an electric whirlpool dryer m# LER4634DQ1 S# MS0809482. This unit operates on 240 Volts.
I took voltage measurements as followed: I connected my black lead to ground, and measured with the other lead at one side of the termal cutoff swt, which measured 120v. I tested the other side, and that also measured 120v, with idicates that the side was good, allowing voltage to flow through. I then measured the other swts by using the wiring schematic, until I made it to the heating element. All measurements read 120v on one side of the swt, as well as 120v on the other side of the swts, just like the thermal cutoff. When I got to the heater, I measured 120v at both terminals, which to me confirmed that I had 120v at L1, and 120ov at L2, totaling 240v. I then measured at the heater terminals with "BOTH" leads, and mesured zero volts with the leads connected... My questions are: Should I have measure 240v there at that time? I did disconnect the wires, and then connected my meter leads, which displayed 77 volts... That was odd. After that, I ohmed out the heater, and found 9 ohms... According to the diagram, the ohms should be between 7.8 - 11.8 ohms... So what are yours thoughts? Do I have an open heater, even though I measured some resistance? After all, I did measure 120V as I tested the circuit by following the schematic... Please help?
Thank you in advance.
Check your center NEUTRAL connection to the element,sounds like your losing it somewhere,certain units rely on the neutral to operate the element on certain cycles to dry, the neutral carries the imbalance current load and the wire gets hot and will get brittle and break
Posted on Sep 24, 2009
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Posted on Jan 02, 2017
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