Calling two service centers, they both indicated that the main circuit board needed replacing. This would need shipping the unit!!, part and then labor. I figured over $120 - not reasonable. I then took the unit apart and followed the wires from the compressor to the back of the unit. This is where the moisture sensor was located - upper left. You'll see this when you take the filter off. Anyway, I cleaned the face of this part with a old toothbrush, used some compressed air to remove any dust. I then followed the wires with the black sleeve that went to what I think is a temperature sensor - also on the left. The wires go to a sensor that is pushed into a copper tube that is part of the cooling tubing. Gently pull this out, wipe it down and re-install.
I then plugged the unit in, set the humidity level and it now works. I just put the unit back together and the compressor is turning on and collecting moisture! I will run it a few days and keep checking on it to make sure it doesn't go into the 'E3' Mode.
By the way, the repair shops I called really didn't have a clue what the E3 code was.
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It may be, that you have it running in continuous
mode, rather than timed mode. Also, most dehumidifiers fans will run
almost continually, to keep the air moving, so the humidity sensor can
pickup and increase in humidity, if there is one.
If the above
doesn't seem to be the problem with your unit, turn The Master ON/OFF
Switch to OFF and unplug the unit for 12-15 minutes. This will give the
electronics time to reset themselves, if necessary.
Hope this helped you to troubleshoot and solve the problem. Please let me know. Thanks.
tank may be full. Your dehumidifier has a safety device that turns off
the dehumidifier when the water tank is full. Usually the tank itself
either presses against a switch or there's a device connected to the
tank that triggers a switch when the tank is in place and full.
you've emptied the tank and the unit still stops running after a min, inspect the place
where the tank rests to see if there's a switch or mechanism that's not
being activated. You may be able to turn it on with a simple flick of
The sealed system of the Kenmore 54701 dehumidifier is warranted (Parts & Labor) by Sears for five (5) years. Since the fan in your unit runs but the compressor doesn't, I suggest that you return it to Sears and request (demand) a new replacement unit under their warranty. I say "demand" because Sears will undoubtedly tell you that the problem is due to some "other" component which is not covered, and will charge you mega-bucks to repair it. Been there - - done that.
FYI, read the (very low) customer reviews of these units on Sears website and you'll see you're not alone in your experience with Sears' inferior quality units.
Above all, do NOT pay to have it repaired. That money is better spent on the purchase of a far more reliable brand of dehumidifier - - (which will most likely cost less that what you paid for the Sears unit).