The installation of this function is a low and one-time cost. When the evaporator fan fails to run during the diagnostic test mode, the problem may be to do with a faulty control board, bad evaporator fan or even a break within the wiring connections in-between. Bad evaporator fan.How to repair an LG refrigerator with a bad freezer fan. The reason your refrigerator isnât cooling may have to do with the evaporator fan-related problems. If this occurs, the freezer may still get cold, while the refrigerator will not get cold. Check the temperature setting on the freezer to be sure itâs on cold. The instructions to enter into the diagnostic test mode differ from one model to another, so you want to consult the technical sheet often taped at the back of your refrigerator or behind the front grill at the bottom side. Melting the ice in most cases will solve the problem unless the blades become damaged to a point of bending and jamming or damage has been caused to the motor windings of the fan. When the blades become bent, they can only be replaced because straightening them in most cases will not restore their balance successfully. The wire will need to be inspected for any physical damages and even if none is found a continuity check will still need to be carried out using a multimeter. For each of the wires your multimeter needs to read near zero ohms. Check If the Evaporator Fan Motor is Working. When your refrigerator evaporator fan wonât turn on, there are certain things you will need to check to troubleshoot, identify, and fix the problem: The first thing you need to do is to enter into the diagnostic test mode so that you may be able to confirm if the evaporator fan starts running. Your refrigerator fan motor may have a control board inside of the motor casing and it may not be possible to check for continuity other than looking out for visible burn marks on the control board. You will have to unscrew the control box to remove it then look for the wire supplying power to fan. The evaporator fan motor turns off when the door is opened. The continuity check for each of those wires should register zero ohms on your multimeter. The chirping sound was the evapoter fan motor. Sometimes dirt also builds up on the bearings of the evaporator fan and that can be solved with penetrating oil application. Can you get the light to go on and off? The purpose of the evaporator fan in a refrigerator is to circulate cold air from the evaporator coils throughout the food storage compartments. Physical obstruction is often the reason why the evaporator fan cannot run freely. The wire harness will need to be unplugged from the ceiling so that continuity can be checked between the control boardâs plug for the bad wire and the ceiling plug. In case the evaporator fan doesnât run during the diagnostic test mode, it could mean the problem is with the control board, the evaporator fan itself, or breaks within the wiring connections. Troubleshooting and fixing the evaporator fan if a refrigerator stops cooling, Make sure to check the electronic control board, How to examine the evaporator fan motor and electronic control board, How To Replace A Range Oven Door Lock Assembly, How To Repair Refrigerator Evaporator Fan Problems, How To Repair If Your Washer Wonât Start, How To Troubleshoot And Fix A Dishwasher Not Draining, How To Troubleshoot When Electric Dryer Won’t Heat. The evaporator fan is normally supposed to start running as soon as the compressor on your refrigerator turns on. Evaporator Fan. The Samsung evaporator freezer fan and motor is in the freezer compartment. All Locations Are Independently Owned And Operated. It must keep the air moving and flowing over the evaporator coils so the refrigerant can absorb the heat from the box. Check the temperature setting on the freezer to be sure it's on cold. When the fan stops running or no longer blows cool air, it normally needs to be checked and that could make it necessary for its replacement. The evaporator fan is responsible for keeping a constant flow of air in the refrigerator box. If no burns, it is best to get help from a professional appliance repair technician because he is qualified to do further tests that determine if the control board sends power to the fan motor. If the evaporator fan is not working, it will not circulate the cold air to the refrigerator compartment. Bad freezer fan. You have to remove the control board then drop the back freezer panel to unplug the evaporator fan and access the wiring. Replace the fan motor and it should be fine. The Fan in the Freezer Compartment of the Fridge Is Not Working Physically Obstructed. The evaporator fan typically should start running as soon as you hear your refrigerator compressor turning on. However, physical obstruction can potentially stop the evaporator fan from running freely. If any burns are seen you need to replace the fan motor. Most freezers donât run the evaporator fan motor when the door is open, so if the fan does work, it will turn off when you open the door. Ice buildup can be simply solved by melting the ice unless it has caused further damage like making the blades to become bent and causing jamming or having the fan motor windings become damaged. The freezer fan is responsible for supplying air over the evaporator coils while the compressor is running.. To inspect the evaporator fan and motor, unplug your refrigerator and remove the evaporator fan cover to check with a meter if needed. This fan when properly working is supposed to blow air through evaporator fins to aid the absorption of heat which cools the air before it is blown into both the refrigerator and freezer compartments. In the long run, your refrigerator will become warm. The fan motor of your refrigerator may have a control board inside its casing. It pulls air across the evaporator coil, cooling it, and then pushes the air through the freezer and refrigerator. Fan in the freezer is not running. Feel for cold air in the freezer. Evaporator Fan (The fan inside the freezer) If the evaporator fan isnât running, the fan or the main board could be the problem. The evaporator fan is the part of the fridge that blows the cool air you feel when you open the door. If there is only one evaporator it is in the freezer side. This video will apply mainly to a refrigerator that you can hear the compressor running but the evaporator adepto is not running. If the fan runs during the test mode and not in normal operation, you will need to have the electronic control board replaced. by Saum Hadi Posted on November 26, 2019. It is therefore critical to understand all the troubleshooting options needed to fix problems with the evaporator fan. I checked the voltage on pins 3&4 and it was 1.45 VDC. If the fan is not working, no cold air will get to the refrigerator compartment. (By definition the part of a system like this or an air conditioner where liquid refrigerant {âfreonâ} expands into a gas and thus captures heat is the evaporator. Troubleshooting and fixing the evaporator fan if a refrigerator stops cooling. How to replace the evaporator fan motor function of the fan in a refrigerator frigidaire electrolux westinghouse kenmore refrigerator not cooling quick. Thaw them by manual defrost, that is, switching the unit off for a few hours. On refrigerators with only one evaporator, the evaporator is located in the freezer compartment. The problem is with the condenser fan, evaporator fan or evaporator coils. That makes it almost impossible to check for any continuity other than looking out for visible burns on the control board. You can nanually open and close the door, holding then letting go of the switch to make sure the switch is working. In case there is no continuity with either wire, you will need to find where the break is and that requires unplugging the wire harness from the ceiling to check for continuity between the control board’s plug on the bad wire and the ceiling plug. Should there be no problem with continuity, it could be that the problem lies with the electronic control board or the evaporator fan motor. Get shopping advice from experts, friends and the community! But the extended operating time of the refrigerator without this function is a long-term cost. I checked the voltage from the control board to the evaporator fan motor, pins 3&8 and got 14.52 VDC. My husband is pretty handy with fixing some kinds of appliances with the help of youtube, but is not very familiar with refrigerators. All Locations Are Independently Owned And Operated. Inspect the wire for physical damage and if none still go ahead to check continuity using a multimeter. Dirt build up on the fan motor bearings can also cause problems but requires application of penetrating oil to fix the problem. The evaporator fan motor circulates the cold air from the coils thru the compartment. Evaporator Fan not running. So the fan in that location can be called the âevaporator fanâ. You will need to enter into the diagnostic test mode and confirm if during that mode the evaporator fan can start running. LG Refrigerator repair. This will, in turn, cause the refrigerator not to cool. If the evaporator fan motor stops working, your freezer will begin to defrost. The thermostat allows power to flow through to the compressor, evaporator fan, and condenser fan. On refrigerators with only one evaporator, the evaporator is located in the freezer compartment. Samsung Refrigerator Zer Fan Not Working Defrost What To Check How Fix. If your refrigerator is running too long, it could be due to a malfunction of the defrost termination thermostat. The section of the refrigerator fan motor diagnostics page will describe how to find out if you need to change the fan, main board or both. When the door is closed, the elastic switch is pressed and the fan is turned on to run. It is typically mounted onto an evaporator fan assembly. However, physical obstruction can potentially stop the evaporator fan from running freely. How to troubleshoot and fix the evaporator fan problems if a refrigerator is not cooling, Examining the fan motor and the electronic control board, How To Test & Replace The Lid Switch/Lock Assembly On A Top-Load Washer, How To Fix Evaporator Fan Problems In Refrigerators, How To Hire An Appliance Repair Company During The COVID-19 Pandemic. How to replace the evaporator fan motor fridge pressor running but not rf266aepn samsung zer fan in refrigerator not cooling fix. The refrigerator may have one or more evaporator fan motor(s) depending on the model and evaporator locations. The evaporator fan motor was not running. This is because the defrost heater could be faulty. The evaporator coils are usually located behind the freezer compartment, and the evaporator fan should be right in front of them, although it may be offset to one side or the other. If you donât get continuity with any of the wires, thereâs probably a break that needs to be found. A circulating fan draws heat from the larger compartment to be removed by those coils in the freezer area. The cold control is a temperature-controlled switch that supplies power to the compressor and fan circuits in the refrigerator. The fan is located somewhere inside the back wall of the refrigerator or freezer compartments behind one or more panels. How to check the evaporator adepto 0n a refrigerator. If none, you may need experienced tech to do further tests and determine if the problem could be with the electronic control board not sending power to the fan motor. FF error code / ee ff . The evaporator fan is normally supposed to start running as soon as the compressor on your refrigerator turns on. This is the component in charge of turning off the defrost heater at the end of the defrost cycle, when the evaporator gets up to 35 to 47 degrees F. You should have 2 wires to check continuity, most likely a red wire and a blue one. How to test your fridgeâs cold control & ⦠If the fan is not running or if not blowing cool air, you will need to check it and may end up replacing it. When you open the door, the switch is not pressed and the fan is turned off and stops running. Compressor and condenser fan motor running, evaporator fan not running. If no problem with continuity, then the problem could be either with the electronic control board or the fan motor. What happens when evaporator fan fails? Two wires will require checking for continuity and most likely thatâs a red and a blue wire. Unplug the refrigerator from power outlet for safety and check for continuity through the wiring. Ice build up on the evaporator blades is a common problem preventing free operation of the fan. If no continuity, the multimeter should read infinite resistance (displays 1) and you should repair the broken wire or replace the wire harness. Replacing a Defective Fan Motor. The evaporator fan is usually mounted right onto the evaporator assembly. Although the evaporator fan is running, we donât feel the cold air blowing into the refrigerator. If your refrigerator wonât start and no fans are running, then you may have a defective control. If the evaporator fan is not working, it will not circulate the cold air to the refrigerator compartment. Another reason why your Amana refrigerator is not cooling is probably that its evaporator fan motor is bad. If so than the switch is good. The fan if working normally blows air through the evaporator fins where heat is absorbed so that cool air is then blown throughout the freezer and refrigerator compartments. 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