20 Most Recent Emerson Quiet Kool 10NW16K Air Conditioner - Page 6 Questions & Answers

get a "big kick" hard start from the refrigeration store and connect it to the common and herm terminals on the capcitor

Possible lack of lubrication or accumulation of dirt. It is best to remove panel and check for dirt, if so a good wash before lubrication of the FAN and moving parts must solve this issue. Use a degreasing spray like WD40 on the motor shaft and fan.

There should be a wiring diagram on the motor itself. The colors of the wires vary depending on voltage and model. Generally you have a med/low and med/high setting, I'm not sure what you are getting to with the low/high setting unless you are trying to set up staging. Check the motor for a diagram, if that is not present post back with all of the wire colors coming from the motor and the voltage.

Make sure you do not have it on fan and have it set on cool/cold. Otherwise you may need to have the it recharged by a h-vac professional. Also you can try clean the filters and the compresser/condenser (the part that is out side. Sometimes Dirt can keep your unit from working to it full potential.

Try changing the Capacitor