20 Most Recent Soleus KY-20U Air Conditioner Questions & Answers


E4 Outdoor activation of low pressure switch/ less suction pressure.

Check back pressure, which should be 60 PSI when ambient temp 98 degree.If not Short of gas- find leak and arrest. And do gas charging. Even due to indoor coil dust blocked also e4 arise. Clean the coil and reset it

Soleus Heating &... | Answered on Jul 14, 2019


thats almost an impossible question. one thing i can say is you cant expect it to cool more than one room.

Soleus Heating &... | Answered on May 18, 2019


The condenser coil could be dirty also causing the icing up of the unit or it is low on refrigerant.

Soleus Heating &... | Answered on Sep 27, 2018


This is small room a/c unit. It is not designed to cool an entire house down. The a/c mode typically helps with some humidity although it has to be designed for your location.

Soleus Heating &... | Answered on Aug 21, 2018


Check for power to unit and check all safety

Soleus Heating &... | Answered on Jul 10, 2018

Not finding what you are looking for?
Soleus KY-20U Air Conditioner Logo

1 questions posted

Ask a Question

Usually answered in minutes!

Top Soleus Heating & Cooling Experts

Dennis Boxerman

Level 3 Expert

1303 Answers

Muntejaya Ginting
Muntejaya Ginting

Level 3 Expert

10422 Answers

ray gallant

Level 3 Expert

69833 Answers

Are you a Soleus Heating and Cooling Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

View Most Popular

Soleus Heating & Cooling

  • Soleus Heating & Cooling

Most Popular Question

compressor soleus lx 140 portable air

  • Heating & Cooling
Loading...