Kenmore 54701 Dehumidifier "pressure switch contact sticking together" Questions

switch turned it on and off. The display said ON I removed the front cover (two screws) and slight pressure on the side of the cover to remove it. This exposes the control board. The control board can

...pressure refrigerant. 8? Wipe any dirt from fan blade using a soft rag. Do not bend blades. This would cause a vibration that would harm the motor. 9? Vacuum all surfaces including front and back of ...