Troubleshooting a Sweating Compressor in a Trane Air Conditioner

Although the compressor in a Trane air conditioner is sealed and difficult to access, you know there is a problem with the compressor if the air conditioner seems to be sweating or covered in condensation and the air conditioner is not cooling well. There are some basic troubleshooting steps that may determine whether the compressor is to blame and can help solve the problem.

Dishwashing liquid
Water
Compressed air
Soft brush

Instructions

- 1
  Disconnect power to the Trane air conditioner, and open the access panel. Remove the air filter, and clean the filter well with warm, soapy water. Rinse the filter well and air dry. Place the filter back into the air conditioner, and secure it into place with the arrows pointing in the same direction as the air flow.
- 2
  Find the condensing coils inside the access panel, and clean the coils with a can of compressed air and a soft brush to remove dirt and debris.
- 3
  Leave the air conditioner off if the coils are iced up, and allow the frost to melt completely. Wipe up the melted water, using caution not to damage the condenser coil fins.
- 4
  Close the access panel, and restore power to the Trane air conditioner. Turn the thermostat to “Cool,” and put the temperature setting to at least 10 degrees below the current outdoor temperature. Let the air conditioner run for approximately five minutes.
- 5
  Feel the copper line on the exterior of the air conditioner. The line should feel cool and have a thin sheen of condensation. If frost is already developing on the line, turn the air conditioner back off and contact Trane for service, because the refrigerant level is probably too low or too high and requires professional attention.

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