It will only make a closed circuit and allow voltage to the defrost heater if the temperature in the freezer is low enough. Refrigerator won't cool troubleshooting video: defrost system problems Defrost system problems. Here's how 1. © 2020 Transform SR Brands LLC. 2. Heaters are usually calrod heaters (look like small bake elements) or elements encased in a glass tube. The electronic control board starts the defrost cycle... Defrost heater checks. The defrost system is made up of several components that work  together in order to melt the ice of the evaporator coil in the freezer. If there is no ice then the … When the control board determines its time to defrost the evaporator it will send voltage to the defrost heater which heats up to melt the built up ice off the evaporator, the water from the melting ice then goes down the defrost drain to the defrost pan at the back of the refrigerator where it will sit and be evaporated by the heat from the compressor. Refrigerator Defrost Cycles. Step 4: Unplug the J1 connector from the board, this is the white plug at the top farthest to the right, if you are unsure just look at the board pin layout image referred to earlier in this article. The pin layout is shown in the image below,  make note of the location of the J1 pins. Step 3: The Freezer will need to still be cold for this test work properly. No-Frost / Automatic Defrost Frost-free refrigerators and upright freezers defrost automatically either on a time-based system (Defrost Timer) or usage-based system (Adaptive Defrost). Below is a list of those components. Defrost Heater : The defrost heater is mounted at the bottom of the evaporator. Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water. Find the perfect fit for your refrigerator. Problem: It's always running If the heater checks out to be good, then you need to check the defrost-bi metal for continuity, keep in mind the defrost bi-metal will need to be cold before checking it, so if its not cold drop it in a glass of ice water for a few minutes and then test it. Set your ohm/volt meter to 20k ohms. If the circuit is open then either the defrost heater or the defrost bi-metal thermostat is bad. A defrost problem is confirmed if the cooling coils are covered with ice. Step 1: Unplug the refrigerator! Learn what to check if the inside of your fridge is wayyyy too warm. Then Remove the main control board cover plate from the back of the refrigerator. Join our email list for updates and offers. Step 2: Once you have the control board cover removed look at the bottom of the board and remove the blue plug connected to the three big pins, sometimes they are pretty tough to get off, but do not go prying on it. Find out about the new refrigerator sounds you might not be aware of. Steps To Troubleshoot Ge Refrigerator Defrost Problem Step 1: Unplug the refrigerator! If the temperature in your refrigerator doesn't match the temperature you set, the problem could be the temperature control board—a service technician can give you a definite diagnosis. A fridge that does is not only... 2. Check out our DIY refrigerator repair page for more how-to guides and videos, answers to common questions and error code charts. All rights reserved. 2. The defrost cycle blocks power to the compressor and sends power to the defrost heater. If possible check the defrost thermostat before the ice is melted. Step 5: If the circuit was open in step 3 then you need to take the defrost heater out of the freezer and check the defrost heater for continuity if it does not have continuity its bad and that is the problem. Water puddling up under your refrigerator is never a good sign, but it is also a fairly... 3. If it seems to difficult use a pair of needle nose pliers to pull the plug off with. Moisture in the air collects on cold surfaces inside the freezer, forming frost. 4. Discover the value of being a card member. Use your account and we will show you the models you purchased at Sears. The first step to troubleshoot GE refrigerator defrost problem is knowing the components of the defrost system and their location. First, let's see if the defrost heater turns on using the forced defrost mode. 3. Troubleshooting Frost-Free Refrigerators. Using your ohm/volt meter put the red lead in the center plug of the blue connector then put your black lead on the farthest left pin of the white plug it will be the pin with the orange wire and that circuit should have continuity. If the defrost heater and the defrost bi-metal thermostat checks out good then the defrost circuit in the main board is bad. See how the different components in your refrigerator work together to cool your food. Evaporator Thermistor : The evaporator thermistor is clipped to the top of the evaporator and the main control board monitors the resistances that are sent from the thermistor  to determine the temperature of the evaporator. Copyright 2017 Refrigerator Defrost Problem Diagnostics 1. Keep track of the models you own in your profile. GE refrigerator defrost problems (with pics) Jump to Latest Follow ... flaw in the refrigerator evaporator fan where it was kicking on too soon and drawing water up to the top after the defrost cycle and refreezing there. The door gasket seals the gap around the door to keep the cold air in and the warm air out. Insert your black lead into the 5th wire on the white connector and your red lead into the 4th wire as shown in the image below and you should get in the range of 15k - 2ok ohms, if not the evaporator thermistor is bad. So, they replaced cover and duct which also has the fan attached to it. Choose a symptom to see related refrigerator repairs. We'll explain how the defrost system’s main components—the electronic control board, defrost heater, thermistor and bi-metal thermostat—work, and how to determine which one is responsible for the excessive frost. It’s easy to replace a worn or torn gasket. An efficient refrigerator shouldn't run all the time. Step 2 Open the door to the refrigerator to see if the light comes on; a dark refrigerator and problems with the freezer compartment point to a power supply issue. Also unplug the white plug on the right side of the the blue plug. Then Remove the main control board cover plate from the back of the refrigerator. Defrost Bi-Metal Thermostat : The defrost bi-metal thermostat also clips to the top of the evaporator and is a safety feature so that the defrost heater can not come on if the temperature is not cold enough in the freezer. Problem: It's leaking water Please enable javascript to view the website .. These step-by-step repair guides will help you safely fix what’s broken on your refrigerator. The electronic control board starts the defrost cycle and regulates how often they are triggered. Now that you know all the components of the defrost system in your GE refrigerator you can now begin to troubleshoot the problem. Since you cannot force the refrigerator into a defrost cycle on most models, go ahead and unplug the refrigerator.