Air movement sound. This is normal. If too loud, set to a slower FAN setting. Noise when unit is cooling Window vibration - poor installation. Refer to installation instructions or check with installer. Water dripping INSIDE when unit is cooling Improper installation. Tilt air conditioner slightly to the outside to allow water drainage. Refer to installation instructions - check with installer. Water dripping OUTSIDE when unit is cooling Unit removing large quantity of moisture from humid room. This is normal during excessively humid days. Remote sensing deactivating prematurely (some models) Remote control not located within range.
Place remote control within 20 feet & 180°, radius of the front of the unit. Remote control signal obstructed. Remove obstruction. Room too cold Temperature setting too low. Increase temperature setting. If your product displays error code as follows, please call our toll free service number: 1-866-646-4332 for assistance. Troubleshooting Tips Page 26 Problem Solution