Question about Soleus LX-120 Air Conditioner

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Leaking Water I have had the Soleus LX-120 Air Conditioner for 2 seasons. It is leaking from what I assume is a hose connector if you are using it as a dehumidifier.

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Posted on Jan 02, 2017

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SOURCE: Soleus LX-140 leaking problem

I also have the same problem with my PE3, EXACTLY. I have installed a catch pan under the unit after drying out my carpet and am using the unit, but I have to empty the pan every few days. I suspect there is a connection problem allowing water to drain directly instead of being discharged out the venting. SOLEUS seems quite difficult to reach, but I am persistent and will find the answer. Good to know the problem is out there yet Soleus is not fessing up.

Posted on Jul 16, 2008

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Posted on Jul 06, 2009

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SOURCE: leaking unit

check to ensure that the drain hose is not touching the side if the water storage bin. if still no luck then watch unit when running to assess the leak point............maybe a hairline crack in water container

Posted on Nov 02, 2009

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Our unit is leaking water all out the front and bottom all of a sudden (it's been in use for almost 3 years).

The drain is plugged . you will have to pull the front cover of the unit to clean it. take some hot water to the drain pan after you get it cleared. and get as much stuff out of it as possible. the you should be in good shape again I would recommmend tht you do this yearly at the start of the cooling season hope this helps Let me know Jon

Aug 04, 2011 | Soleus KFIHP09 Air Conditioner

1 Answer

My exhaust hose has a tear. where can I get a replacement

You can find a substitute at any home center. In the Heating & AC Parts section of the store. Just be sure to get the same diameter and use the existing connectors off the old one.

Jul 13, 2011 | Soleus LX-120 Evaporative Portable Air...

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Have a Soleus LX-140 portable air conditioner. Water was leaking out the right side of the machine. Opened the casing and found a clear hose, one end attached to the plastic tray above the condenser and...

I have an LX-100, and had the same problem, so I am guessing that the designs are similar. There should be a pump in the condensate pan at the bottom of the unit -- on mine, it was near the front, right next to the overflow float switch. There should be an outlet on top of the pump, which is where the hose needs to be attached.

It looks like the pump pushes condensate up into that plastic tray, which lets if flow over the heat exchanger, both cooling it and evaporating the water. With the hose detached, you're probably noticing degraded cooling performance and a lot more condensate in the holding tank than there should be. At least, that was the case for me. Good luck.

Jul 05, 2011 | Soleus LX-140 Portable Air Conditioner

1 Answer


You can get a replacement from

The upper wheel is part # P-LX-12025 and costs $4.03
The lower wheel is P-LX-12042 and costs $4.49

Apr 05, 2011 | Soleus LX-120 Air Conditioner

1 Answer

Cannot turn on.

Since you have power to the clock display- there is power to the unit. The "power" function button has failed because the momentary switch on the circuit board below the touch pad has failed. These little push switches have a short service life.
I suggest checking a source who sells the control circuit board for Soleus Air LX-140. Might be similiar component.

Jul 30, 2010 | Soleus LX-120 Air Conditioner

2 Answers

Same problem with the leaking from the base of the soleus unit

There is nothing wrong with the unit, you just are in a humid area, the water is from the air.

The water is being pulled from the air, that is part of how it cools, by condensing water.

Some units have hose fittings that can be hooked up to normal garden hoses and routed outside.

You could also install something like that yourself.

Jul 25, 2009 | Soleus KY-34 Portable Air Conditioner

2 Answers

Soleus air heat pump soleus lx 140 quit working

The Soleus Air condenser blower wheel is all plastic and I have seen many of them disintegrate from normal residential use. It's just a weak part.
Go to and buy a metal blower wheel replacement kit. Problem solved!

May 19, 2009 | Soleus LX-140 Portable Air Conditioner

2 Answers

Soleus LX-140 leaking problem

We have a 1-year PE3-09R-03 that just started dripping water on the floor. The red "tank full" light never came on. I opened it up to investigate, and I believe the problems are caused by dust. The plastic float that trips the "tank full" switch appears to have gotten stuck due to the combination of water and dust in the tray. Once I loosened it up and cleaned the guide tube it rides in, it would trip the switch when the tank was full. The reason the tank was filling up was a little less obvious. There is a 2-piece plastic tray that sits underneath the evaporator and above the condenser. The tray is supposed to distribute the water that's dripping from the cold evaporator coils onto the warm condenser coils so it can evaporate and be blown out with the warm exhaust air (note that "evaporator" and "condenser" are referring to the refrigerant - the terms appear backwards when referring to what's happening to the water on the outside). The tray and its lid have a series of tiny holes that were - guess what - plugged by dust. The tray is relatively easy to remove, just two screws and a spring clamp on the overflow hose. The tray lid is heat-staked onto the tray, you should be able to clean it without separating the lid. I cleaned and reinstalled the tray and verified that water would flow properly. I then reassembled the unit and fired it up, and it's been running without a puddle for over a day in humid weather.
The unit has a filter for the recirculating room air, but there is no filter for the outside air loop. Adding a filter would obviously help keep the dust out, but it could also reduce the cooling efficiency of the unit.
DO NOT use one of these on a floor you care about without some sort of emergency catch tray underneath!

Jun 09, 2008 | Soleus KY-34 Portable Air Conditioner

2 Answers

1st Problem: Doesn't evaporate the water. 2nd: Power will not stay on.

First thing to know is that most window or portable A/C units use the water from the evaporator to cool the condenser. If the condensor is not cooled down it will cause high head pressure on the Compressor causing it to overheat and shutdown. First thing is to make sure nothing is plugged which will keep the water from reaching the condensing fan, which slangs water on the condenser. If this is a portable unit it may only have a condenser and uses the water to cool it.

Nov 05, 2006 | Soleus LX-120 Air Conditioner

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