My kenmore dehumidifier will die after only a couple of seconds. After leaving the unit unplugged for a while it will run for around 10 - 20 seconds. During this time the overflow switch works fine, as do the other controls on the unit. Once it stops working it is totally dead - the light will not come on and none of the controls do anything. This is repeatable, if I leave it unplugged for a while again it will start up and then die.
I have cleaned the filter and brushed the fins.
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Possibly., the unit turning ON vibrates the bucket in such a way, that it loses contact with the safety switch and the unit shuts OFF. If the dehumidifier is not sitting level, it would cause the bucket to shake more than usual. In addition, if you haven't cleaned the filter recently, I would suggest that you do that. A dirty or clogged filter causes the unit to struggle and if it is to much to handle, it will cause it to shut OFF. Before you attempt remove the filter, turn OFF the Master ON/OFF Switch and Unplug the unit. Be sure you do it in the order I listed.
Hope this helps you further to troubleshoot and solve the problem.
I have a Comfortaire BHD501 dehumidifier. A couple weeks ago I noticed ice building up on top of the unit,so I unplugged it to defrost. I plugged it back in and it worked until I noticed the "CH" "01" code. It would run a few seconds then shut off with that code showing. I took off the front of the unit and noticed rust on some of the metal parts. Then I took the cover off the circuit board for the front read out. I noticed corrosion on some of the solder points. When I looked closer at the plastic cover for the circuit board I noticed a small burn mark. The water from the melting ice must have run behind the cover and shorted out the circuitboard. At this point I don't know if new boards are available.
When you push the power button, the blower fan comes on. In a few
minutes you should hear a second "click"--that is your compressor
starting. Do you hear that second click?
The compressor is located in the rear bottom on the right side looking at the machine. After you press the start button and the blower fan comes on, bend over near the back of the unit and listen for the "click".
It is more than likely the compressor is not running, only the fan. It seams that the humidity sensor is flaky on these units. You can, operate the unit, by opening up the dehumidifier and unplug the sensor from the main board. The unit will cycle on and off and remove the water from the air.....good luck