Place one of the tester's leads on the coommon terminal. A defrost timer is usually secured inside a refrigerator with at least one screw, but sometimes more. If it was cooling before, it is now in defrost mode. Remove the access panel inside the refrigerator to determine whether the defrost timer is located inside the refrigerator. Testing the third pair of terminals should produce a reading of infinity. Set your multitester to the R X 1 scale. Alternatively, you could trip the appropriate switch in the circuit breaker panel, or you could remove the appropriate fuse from your home's fuse box. If the refrigerator is not cooling, the timer may be stuck or broken and needs replacement. This affects the efficiency of the refrigerator. Pull firmly on the wire's connectors to remove them. What does the thermostat look like? The electronic adaptive defrost control board will automatically activate. Once you have found your refrigerator's defrost timer, remove it for testing. To test whether the defrost timer is simply failing to advance, locate the advance screw and turn it clockwise until you hear it click. (If the Set-Point needs to be changed, please see instructions on Page 6). The second pair may also result in a reading of zero or near zero. To reset the refrigerator defrost timer, Tepte simply states to locate the circular notch on the timer and turn it counterclockwise with a flathead screwdriver. Directions for testing a refrigerator defrost timer. This advances it to the next mode. Alternatively, you could trip the appropriate switch in the circuit breaker panel, or you could remove the appropriate fuse from your home's fuse box. Pull it out far enough so that you can disconnect its wires. Defrost timers almost always have four metallic terminals extending from the bottom. With one multitester lead (probe) touching the common terminal, touch the other lead to the other three remaining terminals, one at a time. After melting the ice off and putting everything back together I looked online and found a way to turn on my defrost manually to test the circuit board. 2. If the test you conduct with your defrost timer does not produce these results, then you should replace the mechaninsm. Pull it out far enough so that you can disconnect its wires. Pull firmly on the wire's connectors to remove them. Consult with an appliance repair technician if you do not feel you have the skill or the ability to successfully complete this repair. The control may be preprogrammed to initiate a defrost by time interval. Sears Appliance Tech. He just opened the door, saw frost on everything and said thats my problem. At least one pair, but maybe two, should produce a reading of infinity. Error occurred, please verify your email and try again. Remove all the screws you find and pull the timer carefully out of the refrigerator. One important note to keep in mind is that a pair of terminals that demonstrated continuity in the first test should now demonstrate infinity. Testing the first pair should produce a reading of zero, or near zero, denoting continuity. Check the rear control panel With the refrigerator unplugged, remove the access panel from the back of the refrigerator. Use your multitester to test the timer for continuity. The defrost will begin immediately and the display will return to a normal operating display with set point values. The defrost timer is a common part to fail when you have a no cool fridge. 2 yrs. 2. I thought I had an idea, now I'm just confused. Simply wait about 35 minutes and check … Place one of the tester's leads on the coommon terminal. I ended up taking apart my freezer and found ice build up around my coils. One important note to keep in mind is that a pair of terminals that demonstrated continuity in the first test should now demonstrate infinity. Plug your Whirlpool refrigerator/freezer into the electrical outlet. 4 yrs. It may not display this or other websites correctly. This indicates the defrost timer is functioning properly. If none of the terminals are labeled, you can locate the common terminal by determining which terminal coincides with the white wire in the connector plug. Expand Signature. The Easy Appliance Parts logo is a trademark of. If the test you conduct with your defrost timer does not produce these results, then you should replace the mechaninsm. If you are not subscribed to my YouTube channel be sure to do that now and Thanks for Watching. You may need to rock them back and forth a little to ease the motion. Yes, if the defrost heater came on after you forced a defrost cycle, that means the control board is the culprit. All brand logos are trademarks of their respective owners. Note: Forced Defrost mode can be exited at any time prior to step 7 by closing the Refrigerator Door(s). Error occurred, please verify your email and try again. What does the thermostat look like? Should i replace that too? Likewise, a pair of terminals that demonstrated infinity in the first test should now demonstrate continuity. It may also be found behind a cover plate inside the refrigerator or freezer, in the temperature control console, or behind the refrigerator near the compressor. Enter your model number and our Instant Repairman will help diagnose and fix your appliance. It should be labeled "3" or "C". All rights reserved. So basically the freezer works, but the refrigerator does not.Order a Defrost Timer herehttp://amzn.to/2bnzWMzPlaylist for More Refrigerator Repair Videoshttps://goo.gl/HgWiORVideo for Checking the Defrost Thermostathttps://www.youtube.com/watch?v=gQ8fEC_9QR8Video for Testing a Defrost Heaterhttps://www.youtube.com/watch?v=1jy8P3MSSywDefrost Timer Test Videohttps://www.youtube.com/watch?v=-L80Fk5had4If you liked the video, give it a thumbs up. Here you will find the instructions needed to test and replace the component. The second pair may also result in a reading of zero or near zero. One last thing, while I'm waiting for the board to come in, how often should i cycle the defrost mode to avoid something bad happening and all that damn frost coming back onto my food. Don't worry about which way the connector comes out because there is only one way it can go back in. You may need to rock them back and forth a little to ease the motion. Access the defrost timer. Testing the third pair of terminals should produce a reading of infinity. It can be located behind the refrigerator's lower kickplate, in the refrigerator's control panel, or even behind the refrigerator on its back wall. Pull it out far enough so that you can disconnect its wires. … Consider putting a standard programmable timer on your refrigerator and set it to cycle off for a few hours at night when the fridge stays closed. Pull firmly on the wire's connectors to remove them. Not Canadian? Don't worry about which way the connector comes out because there is only one way it can go back in. He just opened the door, saw frost on everything and said thats my problem. (If additional defrost Once you have found your refrigerator's defrost timer, remove it for testing. Find your refrigerator's timer switch and turn it in a clockwise motion until it clicks. Remove the assembly containing the defrost timer. In this video I show you how to troubleshoot a refrigerator that is not cooling. You must log in or register to reply here. Pull firmly on the wire's connectors to remove them. Set your multitester to the R X 1 scale. 3. At least one pair, but maybe two, should produce a reading of infinity. Jake . 8. Likewise, a pair of terminals that demonstrated infinity in the first test should now demonstrate continuity. Copyright © 1999-2020, Eldis Group Partnership. Close the Refrigerator door(s). A defrost timer is usually secured inside a refrigerator with at least one screw, but sometimes more. Use your multitester to test the timer for continuity. When the fan kicks up again, you know the reset was successful. Use your multitester and test the terminals again in the same manner as in the preceding paragraph. It needs to be turned until the fan stops, which means your fridge has reset the defrost button. If you put a gallon jug of frozen water in the freezer, you should be able to safely program the timer to turn the fridge off from 10 PM to 1:30 and from 2:30 to 6 AM without impacting your food. This defrost timer observes the coolness in your Whirlpool's refrigerator to prevent ice accumulation. The defrost timer tells the refrigerator thermostat when to turn off the cooling, usually about every six to eight hours, so that the defroster can run. With one multitester lead (probe) touching the common terminal, touch the other lead to the other three remaining terminals, one at a time. In this test, one of the pairs of terminals should produce a reading of continuity.