Condensation around the door frame

Issue

There is condensation around the door frame

TSX Laboratory Refrigerators	TSX -20° Laboratory and Enzyme Freezers	TSX -30° Plasma Freezers	Model	Energy Star Model
TSX1205G	TSX2320F	TSX1230L	V/Y/Z	A/D
TSX1205S	TSX3020F	TSX2330L	V/Y/Z	A/D
TSX1205P	TSX2320E	TSX3030L	V/Y/Z	A/D
TSX2305G	TSX3020E	TSX5030L	V/Y/Z	A/D
TSX2305S			V/Y/Z	A/D
TSX2305P			V/Y/Z	A/D
TSX2305C			V/Y/Z	A/D
TSX3005G			V/Y/Z	A/D
TSX3005S			V/Y/Z	A/D
TSX3005P			V/Y/Z	A/D
TSX3005C			V/Y/Z	A/D
TSX4505G			V/Y/Z	A/D
TSX4505C			V/Y/Z	A/D
TSX5005G			V/Y/Z	A/D
TSX5005S			V/Y/Z	A/D
TSX5005P			V/Y/Z	A/D
TSX5005C			V/Y/Z	A/D

You can enter the service mode by pressing the Scan button (SCAN) and holding for approximately 10 seconds while in Programming mode.
The display will then flash “SEr” to indicate that you have entered the service mode followed by the software checksum values flashing on the screen. The service icon will also illuminate.
Use up (+) and down (-) buttons to modify the values and press the scan (SCAN) button to save the value and go to the next screen.

Note: If the alarms are enabled, the unit will not enter Service Mode.

Ensure all port holes in the cabinet top, sides, and back are sealed properly to prevent warm airflow into the cabinet. Seal any gaps.

Open the door.
Insert a strip of paper (a couple of inches wide) between the door gasket and the cabinet flange and close the door.
Slowly pull the paper strip from the outside. You should feel some resistance.
Repeat this test at 4-inch intervals around the door. If the door does not seal properly, replace the gasket.

The possible causes of this issue include: