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Re: stops for no reason when on cool
I would say by the sounds of it the unit is short of gas, the compressor is getting hot and going out on thermal overload. I would think that it would be best to call a refrigeration tech out. As I can not help to much with out looking at it.
If there is anything else I can help with or any other questions please let me know
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The condensate drain to the outside is most likely stopped up.
See if the unit is dripping to the outside.
If not, you should be able to see where it has been dripping out in the past and unplug the hole.
This is a simple fix but will take a little time to correct this. First of all, empty the freezer of food and shelving, ice maker if you have it also. The back wall in the freezer is a false wall, so gain access by removing screws and harness from top left corner. By the way turn off the unit or unplug it!! Now at the bottom of the unit far back you will see an ice glassier in the bottom middle is a drain hole that all the water is to exit after defrost. Well because its blocked with ice the water overfills and leaking into the refer section. Make sure you can use hot water to clear this out but make sure you cleaned out the entire drain system before reassembling this to restore cooling. Once clear you problem is solved.
The classic model drains thru the clear hose using gravity. The drip pan in that unit is about 1/2 way up in the cabinet. Make sure the drain hose exits the unit and runs flat or downhill. If the drain hose is coiled vertically or run up hill causing water to trap within the hose it can cause water to back up in the dehumidifier drip pan and overflow causing your problem. If your drain is higher than the base of the dehumidifier, you can raise the dehumidifier or you can purchase a condensate pump kit that will allow the drain water to be pumped up to 15 feet above the dehumidifier.
The drain hose may have become disconnected from the drip pan as well. To check, turn off the humidistat to stop the dehumidifier from running. Next disconnect the cord from the power supply. Remove the six screws holding the cabinet side (with the label) from the cabinet and remove the cabinet side. The drain hose connects to a nipple on the bottom of the drip pan.
Contact Therma-Stor service for further inquiries at 1-800-533-7533 - they are located in the USA and are very helpful.
You'll obviously have to determine where leak is coming from, then we can decide how to stop it. If it's the pressure relief valve outside, and it's only a small drip, that is normal, but you can try lifting arm on relief valve and cleaning it out a little to see if that helps clean it out. BE CAREFUL when water is hot, that you don't burn yourself, thus better to try it when cooled down. If it's dripping, or running out too much, it may be that water is too hot, or water pressure is too high as well, so check that as well. Usually smart to install a pressure regulator in line from hose to trailer. If your running off on board pump, not very likely that pressure is too high as they are usually set at 40-50 psi, which shouldn't cause that. If water doesn't feel hotter than before, then best to replace pressure relief valve, if that's where dripping (excessive) is coming from.
Remove the filter at ceiling and run the AC on cool etc, and see if you can feel cool air leaking across to return air inlet where the divider between cold and return is. Check along all edges, etc for any cool air . Careful of wiring, but you should be able to get hand in there and feel especially around the edges where it should be sealed tight. Quite often a leak in that area causes cold air to enter return air and causes excessive condensation. Another thing to check is look way up inside opening for return air, with a flashlight and see if any dirt/dust on coils and fins of evaporator, and if so, needs to be cleaned off with a vacuum, and brush attachment. Let me know what you find.
do not close your vents on the a/c unit because this makes the compressor have higher head pressures in the long run will cause the compressor to fail it will last longer if you set the thermostat to lower setting rather than closing off the vents. You need to clean out your condensate drain I use a small wire brush and water hose clean them out.
The unit is designed to run the indoor fanmotors continuously when in cooling mode on both indoor units (evaporators). The reason is that this circulates the air and the temperature thermistor or sensor is able to sense return air temperature and in turn start or stop the outdoor unit and compressor as required according to the setpoint temperature. The reason for either unit not reaching setpoint temperature can be a couple of reasons. A) Incorrect design - the unit may be too small for the application. You can calculate this roughly at 650BTU per square meter of room in a relatively warm ambient climate. Or secondly B) The outdoor unit has leaked and is short of refrigerant. You can check this when the outdoor unit is running by feeling the thicker copper tube on the right hand side of the unit. This should be cool to cold. If no temperature difference is felt, it is short of refrigerant. Hope this helps you. Goodbye
Had the same problem after replacing over seven water valves and installing a water regulator in the water line to the refrigerator with no help. Had to reduce the water pressure to about 27 pounds the reduce most of the drips. It drips an amount about the size of a quarter and when the water gets the coldest it stops the drip, but there is always a droplet at the end of the water disperser tube.
The problem is with water stored in the refrigerator side of the box. Water come in and does not leak. After the water gets colder it expands and oozes drips from the water dispenser. It is worse with the roll of tubing behind the crisper drawer on the bottom, because there is no room for expansion in the tubing. We replaced the tubing with and older style tank and it helped some, but not completely. The solution is 1. Try to buy a refrigerator with a tank instead of the roll of tubing in the bottom of the refrigerator side. 2. Don't use the water dispenser. 3. Reroute the tubing directly to the water dispenser and bypass going into the refrigerator, the water will not be as cold. 4. Avoid those built by Whirlpool.