Question about LG DLE2532W Electric Dryer
I have a DLE2532W dryer that has blown the thermostat several times. The same repairman has come out several times to fix it. He tells me the only reason it's blowing is because of a bad vent. But he also said there is nothing wrong with the vent. He said he called the factory and they said it has to be the vent.
The vent is less that 18" long and vents to the outside with just one 90 degree turn. The unit has worked for 5 years with a long, winding flex tube connected to the vent. There was never any lint to speak of in any part of the vent. There is no obstruction or anything outside when the vent exits. The vent flap is very loose and opens easily and doesn't even close fully. And the air flow out the vent seems very significant.
I went ahead and replaced the flex tube with a very short, stiffer tube that had just two 45 degree turns - the vent on the dryer is about 8" to the right of the vent opening on the wall. This new tube was only about 1 foot long after installed.
With a new thermostat, the unit works fine for several weeks. I'm not sure what causes it to fail - nothing seems different when it does fail. One time it might have been because we ran several loads through it in a row, but that doesn't always make it fail.
I did remove the vent tube completely, and that did seem to work. But I really can't keep running it that way.
It seems to me that something else is wrong with the unit, and when it heats up just a little more than normal the thermostat blows.
I looked at the parts list, and I noticed that there are two thermostat assys, but only the smaller one is ever replaced. Should I replace them both this time ?
Unfortunately, the repairman is unable to fix my unit and will not back up his work because he says its the vent. But he won't tell me what to do to the vent to fix it.
This is very frustrating. Anyone have any suggestions?
It looks lik replacing the other thermostat wil help you.
where is the repairmen comin from. is he not a certified person.
Posted on Jun 01, 2008
Sure..this is actually a back pressure issue...when you used the twisty flexible hose, there is less reverse back pressure..
so, with the thermal mass from a 90 degree turn, it's most likely causing a heated air back flash, making the thermostat work harder, shortening it's life..
you might want to consider putting an inline fan, past the 90 degree turn(internal to the vent pipe) and let that exhaust the air at that point, instead of allowing thermal convection to be the sole propeller for this setup.
Posted on Jun 01, 2008
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