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Richard
May 16, 2023
The front evaporator coil 'freezes up' when the unit is turned on.
For model number AD50G1
Hello Richard, thank you for contacting us. The issue is caused when good airflow is not maintained and the evaporator fan is not working. Check to see if your fan motor is operational. Turn the fan blade by hand to ensure that it spins freely. Make sure that the fan blade is not rubbing against the fan housing as it turns. If the fan blade spins freely, test the fan motor with a multimeter for continuity. If the fan motor is getting power but the dehumidifier fan won’t run or the fan motor does not have continuity, then the fan motor is likely defective. You may need to replace the fan motor, part number PS557949. We hope this helps.
The knob one turns to set the humidity level was removed. The two screws holding the top on were removed. The top was lifted and swung to the side. After noting which of the two wires went where on the humidistat the wires were removed. Small flat screwdrivers were used to pry back the plastic retainers on one side of the original failed humidistat. The new one was put in place, the two wires were reattached. The knob was replaced. The top was positioned and its two retaining screws replaced. A magnetic phillips screwdriver was handy but not necessary. Piece of cake! Someone with ten thumbs could do it!! Thanks for the prompt courteous attention to the returned erroneous part! Dealing with partselect. Com was a pleasure. . . . . . Thanks!! P. S. The dehumidifier works like new now!!
Troubleshoot on the schematic/wiring diagram to find the defective thermostat. Order a replacement part. Remove all outer covers to gain access to the thermostat. Only tool needed for this is a #2 phillips screwdriver. Cut the leads on the defective part and remove thermostat and replace thermostat, wire cutters/crimper required, splice the thermostat leads, Reassemble the outer covers.