How to replace a defrost thermostat
- Locate your refrigerator's defrost thermostat. ...
- The panel you need to remove may be held in place with either retainer clips or screws. ...
- There are two wires leading from the thermostat. ...
- Proceed to remove the thermostat. ...
- To install your new defrost thermostat, reverse the removal process. ...
How do you install a defrost thermostat?
Instructions
- Disconnect the electrical power. Unplug the freezer or shut off the circuit breaker for the freezer.
- Remove the evaporator cover. Remove the drawers and shelves from the freezer. ...
- Remove the defrost bi-metal thermostat. ...
- Install the new defrost bi-metal thermostat. ...
- Reinstall the evaporator cover. ...
- Restore electrical power. ...
How do you replace a thermostat in a refrigerator?
- Even if your old thermostat was not using a C-wire, an unused C-wire may be stuffed in the wall behind the thermostat’s backplate. ...
- If there is no C-wire, one option is to use an “add-a-wire" kit or a power extender kit. ...
- Another option is to use a 24-volt adapter that provides a C-wire and plugs into a nearby outlet to power your thermostat.
How to check refrigerator defrost thermostat?
How to Test a Defrost Thermostat on Your GE Refrigerator. Step 1: Disconnect the Power Supply. Step 2: Check for the Opening and Closing Temperatures. Step 3: Test for Continuity. How to Replace a Defrost Thermostat in a GE Refrigerator. Step 1: Disconnect the Power Cord. Step 2: Remove the Rear Panel. Step 3: Remove the Ground Wires.
Do I need a thermostat replacement?
One such part is the thermostat, which is your line of communication to the system. It’s why you need to replace your thermostat the moment yours becomes faulty. As the winter approaches, you want to make sure that your HVAC’s thermostat is in good shape, or you risk coming home to a chilly home.
How do you remove a defrost sensor?
12:1815:19How To: Samsung Defrost Temperature Sensor DA32-10105RYouTubeStart of suggested clipEnd of suggested clipJust like on the fresh food side you're going to have to cut the zip ties that hold it in and thenMoreJust like on the fresh food side you're going to have to cut the zip ties that hold it in and then unplug it. And pull the sensor out of the evaporator.
How do you change a freezer defrost thermostat?
2:526:52Frigidaire Refrigerator Replace Defrost Thermostat 808062701YouTubeStart of suggested clipEnd of suggested clipAnd detach the old defrost thermostat from the copper tubing. Install the new defrost thermostat byMoreAnd detach the old defrost thermostat from the copper tubing. Install the new defrost thermostat by snapping it into place on the copper tubing then connect the two wire. Connectors.
Where is the defrost termination thermostat located?
The defrost thermostat is located behind the back panel in the freezer section. Once your refrigerator has been unplugged, the next step is to give yourself clear access to that back panel. First, open the freezer side's door and remove the ice machine's bucket.
How do I disconnect my defrost timer?
A defrost timer is usually secured inside a refrigerator with at least one screw, but sometimes more. Remove all the screws you find and pull the timer carefully out of the refrigerator. Pull it out far enough so that you can disconnect its wires. Pull firmly on the wire's connectors to remove them.
What happens when defrost thermostat fails?
If the thermostat is defective it may not be able to sense the temperature of coils and then won't turn on the defrost heater. If the defrost heater doesn't turn on, the refrigerator will never start the defrost cycle and will eventually stop cooling.
Is it easy to replace a thermostat in a fridge freezer?
You can replace a fridge thermostat in a few minutes with some basic hand tools, and the cost is minimal when compared to a service call to a technician or a new refrigerator.
How do I know if my defrost thermostat is working?
1:394:44How To Test Your Defrost Thermostat & How They Work - YouTubeYouTubeStart of suggested clipEnd of suggested clipPlace one of each of the meters probes on each of the defrost thermostat wires while the thermostatMorePlace one of each of the meters probes on each of the defrost thermostat wires while the thermostat is colder than the closing temperature. The thermostat should have continuity.
What is the difference between defrost timer and defrost thermostat?
Defrost Cycle Once the defrost termination thermostat (a.k.a. defrost limit switch) senses a set temperature, it opens the circuit to the defrost heaters, shutting them off. The timer remains in the defrost cycle until the timer advances back to the cooling mode.
How much does it cost to replace a defrost thermostat?
If you are in that window, but the temperature is still off, the thermostat may be the problem. This is a relatively easy fix or replacement for a professional to make with an average cost of $100 to $440.
Should defrost thermostat be open or closed?
The defrost thermostat should be in the closed position when cold. Check to be sure the thermostat is opening at the correct temperature by placing it in water and slowly heating the water. Defrost thermostats are designed to open between 40 degrees and 90 degrees Fahrenheit.
What temp does defrost thermostat close?
Defrost Thermostat Specifications. This limiter thermostat cuts out when the temperature inside your refrigerator reaches 55 degrees Fahrenheit and kicks back in when the internal temperature drops to 20 degrees Fahrenheit.
How do I know if my defrost heater is bad?
0:062:04Fridge Not Defrosting? Defrost Heater Testing, Repair - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou can often determine that a defrost heater is burned out by simply checking to see if theMoreYou can often determine that a defrost heater is burned out by simply checking to see if the component is visibly broken or blistering.
How do I know if my freezer thermostat is broken?
If food freezes inside the fridge or its compartments, the cause may be a faulty thermostat. You can use an appliance thermometer to check the thermostat, or try increasing the temperature a couple of degrees. Then wait a day to check whether the food has become unfrozen.
How do I know if my defrost thermostat is working?
2:184:44How To Test Your Defrost Thermostat & How They Work - YouTubeYouTubeStart of suggested clipEnd of suggested clipPlace one of each of the meters probes on each of the defrost thermostat wires while the thermostatMorePlace one of each of the meters probes on each of the defrost thermostat wires while the thermostat is colder than the closing temperature. The thermostat should have continuity.
How much does it cost to replace a defrost thermostat?
If you are in that window, but the temperature is still off, the thermostat may be the problem. This is a relatively easy fix or replacement for a professional to make with an average cost of $100 to $440.
What is the difference between defrost timer and defrost thermostat?
Defrost Cycle Once the defrost termination thermostat (a.k.a. defrost limit switch) senses a set temperature, it opens the circuit to the defrost heaters, shutting them off. The timer remains in the defrost cycle until the timer advances back to the cooling mode.
How to attach a defrost thermostat to an evaporator?
Once the wires are connected, attach the new defrost thermostat onto the evaporator coil using the clip. If there is excessively long wire, carefully tuck it into the empty space by the evaporator. Make sure it’s completely out of the way so it doesn’t catch on the back panel.
How to connect a thermostat to a refrigerator?
Stick the unstripped red wire from the defrost thermostat into one end and crimp the connector end tightly over it. Stick the other red wire from the refrigerator into the other end of the connector and crimp it securely in place. Use one butt connector for the red wires and the second for the black wires.
How to replace thermostat on Whirlpool refrigerator?
Then make sure you have two wire nuts or butt connectors on hand and follow these steps: 1. Unplug the refrigerator.
Where is the defrost thermostat located?
The defrost thermostat is located behind the back panel in the freezer section. Once your refrigerator has been unplugged, the next step is to give yourself clear access to that back panel.
What is the first step in appliance repair?
The first step in every appliance repair procedure is turning off the appliance. This keeps you safe from electrocution, even if you don’t plan on handling any wiring. During the course of this repair, you will be cutting wires and creating new wire connections. Unplugging the refrigerator, or flipping the circuit breaker if the appliance is directly connected to your house’s power, is essential.
What connects red to black?
Red should connect to red and black needs to connect to black. While you can use butt connectors, the easiest connecting tools are wire nuts. With wire nuts, all you have to do is place the raw ends of two wires together and twist one wire nut over the two ends.
Does a freezer keep a constant temperature?
July 17, 2018. Your freezer does its best to keep a consistent temperature. Part of its freezing cycle includes a heater that stops the temperature from getting too cold or stops frost from building up in your appliance.
What to do if freezer doesn't defrost?
Replace the thermostat in the freezer, and test the defrost timer again. If the freezer still does not start to defrost, you may have to replace the thermostat completely.
Why is the defrost thermostat on my refrigerator important?
The defrost thermostat on your fridge is an important piece of equipment which prevents your freezer from becoming too cold. However, from time to time, these devices can apparently fail, and cause problems which include leaks upon the floor, a warm refrigerator portion, or a freezer section which has ice forming across the back.
How to bypass thermostat on freezer?
Bypass the Thermostat. Turn off your power, and then remove the wiring from the thermostat, and connect them to your defrost heater. This should be easily managed when you are looking at the thermostat, the wires will be evident. Turn the freezer back on, and wait for 10 minutes.
How long does it take for a freezer to defrost?
This should automatically trigger a warming of the freezer section. However, if after 20 minutes the freezer still has not begun to defrost, then you will need to remove the back wall, and look at the thermostat itself.
How to check if thermostat is failing ohms?
Inspect the Connections. Once the thermostat has failed the Ohms test, then you should check the connections at the back. Pry off the connectors, using a pair of thin pliers if necessary, and remove the wires.
How to check continuity of thermostat?
You should check the voltage continuity of your thermostat, using a multimeter. Connect your probes to the thermostat, and turn it on. When the thermostat has a consistent reading, you should see a Ohms setting of 0.
How to check temperature on thermostat?
Check the Temp. Open up the thermostat, and find the small vial of mercury that measures the temperature. This can sometimes come out of alignment, and will need to be re-set. Using your pliers, turn the nut on the mercury screw until the connection pops out.
