Model #TFX27FLB GE Side-by-Side Refrigerator

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Question and Answers

Q:

runs constantly TFX27FLB Ge Refrigerator

A:

Thank you for contacting SearsPartsDirect.com with your question about your GE Refrigerator model TFX27FLB. I am so sorry it is running constantly. I know a sudden change in how the refrigerator operates can be concerning. I will be happy to help you with this.
 
There are several things that cause the refrigerator to run constantly. Based on the information you provided, a couple of those concerns, such as the fans and an ice build up, have been eliminated. I will outline possible causes you can check yourself and also tell you what will require a technician.
 
If the room temperature is warmer than usual or you have moved the refrigerator to a location that is warmer than where it was previously, the increase in ambient temperature may cause the refrigerator to run more. The warmer the air is, and the higher the humidity, the harder the refrigerator has to work to maintain the same internal temperature. 
 
Check the door seals for leaks. A good way to do this is to place a dollar bill between the cabinet frame and the door. With the door closed, pull the dollar out. If there is resistance when you pull on the dollar, the seal is good. If it slides out easily, then the door seal needs to be replaced. Conduct this test on various locations around both doors. When the seal is bad, the refrigerator loses a lot of the cold air and the compressor must run constantly to keep the internal temperature constant. 
 
Make sure the refrigerator is fairly stock. It takes more energy to cool the air in the refrigerator. Cold food helps maintain the internal temperature. The manufacturers recommend keeping the refrigerator about three fourths full. 
 
Make sure the condenser coils are clean. They are located on the bottom of your refrigerator behind the toe grille. The condenser coils collect a lot of dust. Over time that dust build up on the coils will make it necessary for the compressor to run longer to maintain the temperature. This will shorten the life of the compressor. SAFETY WARNING: Make sure you disconnect the power supply to the refrigerator before cleaning the coils. You can do that with a coil brush. I have included the blue link below for you to order the brush, in case you don't have one.
 
 
If the above issues are not the problem, then the likely causes are either the thermostat, the relay, the capacitor, or the compressor. You can test the thermostat with a multimeter. SAFETY WARNING: Be sure to disconnect the power to the refrigerator before you begin this test to prevent the risk of electrical shock. 
 
I suggest you make notes of how the wires are attached before you disconnect anything. You will need to turn the dial to the coldest setting before you begin the test. Disconnect the two leads to the thermostat. Using a multimeter set to ohms RX1, touch the meter probes, one to each of the terminals on the thermostat. You should get a zero reading. Any other reading means the thermostat needs to be replaced. If the thermostat passes this part of the test, then you will need to change the thermostat setting to its warmest. Next you need to chill the thermostat for 30 minutes. You can do this by putting it into a freezer that is working, or in an ice chest. (Be sure to keep the thermostat dry.)  Testing the terminals this time should give you an infinity reading. Infinity means the issue is not the thermostat. 
 
I have included the blue link below in case the thermostat is the part you need to replace. 
 
 
If the thermostat is fine, then the most likely issue is with the one of the other parts I listed. They will require a qualified refrigerant technician. If you would like to set up service, you can do that at www.SearsHomeServices.com or by calling 1-800-469-4663. 
 
I hope this answers your question. If you need further assistance, please resubmit your question with additional details. Thank you for choosing Sears, we appreciate your business. 

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Rachel Morgan -
Sears Technician
June 17, 2014
Q:

Why does the fan come on briefly and then click off on my GE refrigerator model TFX27FLB?

A:

The wiring diagram for your refrigerator is shown in the first image below. The evaporator fan, condenser fan and compressor are all controlled by the thermostat. The circuit also runs through the defrost timer. If the compressor, condenser fan and evaporator fan together only turn on for a few seconds and then click off, then your failure is in one of the following:

  • Thermostat
  • Defrost timer
  • Wire harness contacts
  • Wiring between components
If just the evaporator fan is turning on for a few seconds and then shutting off, then you likely have a failed evaporator fan or a loose wiring contact in that circuit.

If you can safely use the wiring diagram below to determine the cause of your failure, you may be able to fix this problem yourself. I recommend unplugging the refrigerator and checking the wiring contacts on the components based on your specific failure.

The second image below shows the location of components in this model of refrigerator.

You can view a parts list diagram and order parts for your refrigerator on the Sears PartsDirect website.

If you need more help, resubmit your question with additional details.

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Lyle W -
Sears Technician
March 26, 2009