If it seems to difficult use a pair of needle nose pliers to pull the plug off with. – Defrost thermostat defective. Next press the refrigerator temperature (-) button 3 times in 10 seconds and release the door switches. This totally fixed my refrigerator. Directly Replaces: WR55X21623, AP5957867, WR55X11211, WR55X10900, WR55X21128, WR55X10397, WR55X10744. This information includes: self diagnosis mode, sales mode, forced mode, forced freeze, ice maker troubleshooting… Refrigerator defrost problem is difficult to fix and most of the time require a refrigerator repair expert to identify the root of the problem. 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. Also unplug the white plug on the right side of the the blue plug. Compatible with the following models: GE GTH16BBSXLWW GE HTH16BBSXLCC GE HTH16BBSXRWW GE CTH17RBT2RWW GE CTH17RBTZRWW The thermostat doesn't manifest special symptoms when it malfunctions, but you can test it for continuity with a multimeter to find faults. A malfunctioning timer will mean that even when done manually, the defrost cycle will not turn on, or alternatively, will not shut off within 30 minutes. Answer Joe, Yes, the 61005988 / 61005988 Ref. If the control panel lights or fans in your side-by-side or bottom-freezer refrigerator aren't coming on, it could mean the electronic control board has failed. Now that you know all the components of the defrost system in your GE refrigerator you can now begin to troubleshoot the problem. During the defrost cycle in a LG refrigerator model LFX21976ST, the defrost sensor tells the main control board the temperature inside the freezer.When the sensor is defective, the defrost cycle may stop functioning, which ultimately causes the evaporator in the freezer to ice up and the temperature in the fresh food compartment to increase. The timer sets the defrost cycle to run automatically at certain points throughout the day to prevent frost build-up on the evaporator coils. WR09X28646 REFRIGERATOR DEFROST CONTROL BOARD. While the defrost will turn on automatically in most cases, the thermostat helps aid in the process of when it needs to turn on and when it should turn off. Shop with confidence on eBay! 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. GE Refrigerator Not Cooling Enough . The Pre-Chill will last for 2 hours if the doors are not opened. If the defrost heater is defective, frost would form on the evaporator coil and on the walls of your Samsung refrigerator. There have been a few slight changes in the part over the years, but you shouldn't have any issues. Not only is this the least likely part to fail, but it is also the most difficult to replace, and many appliance owners may feel more comfortable leaving it to a professional. … 3. WR09X28646 REFRIGERATOR DEFROST CONTROL BOARD; WR09X28646 REPLACEMENT FOR HAIER REFRIGERATOR - ADAPTIVE DEFRST CNTRL - WAS 0064001749 . Damaged defrost control board; You can look into the defrost control board after you’ve tested the defrost heater and timer, and they’re both okay. If any of these problems occur, you should check the defrost thermostat first, in order to rule this in or out as the cause of the problem. Disconnect the ground wire and remove the screw that holds the damper in place. The defrost control board determines how often to run the defrost cycle. Genuine product manufactured by Whirlpool. To test to see if the mechanical timer is the issue, you can manually turn on the defrost cycle through a dial-in your freezer. Below is a list of those components. The first step to troubleshoot GE refrigerator defrost problem is knowing the components of the defrost system and their location. If the defrost control board is faulty, your refrigerator would not go into the defrost cycle. 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. Frigidaire refrigerators are equipped with an electronic control panel to adjust various settings on the appliance, including the temperature in the refrigerator and the freezer. All rights reserved. If the board fails, the refrigerator will not go into the defrost cycle. You will then see a set of numbers displayed showing the software version for three seconds. Remove the two screws that hold the defrost control board in place. Pre-Chill: When the main control board determines that the defrost cycle is necessary, the main control board will force the refrigerator into a continuous cool mode (this is Pre-Chill). Defrost control board used on some GE and Hotpoint refrigerator models. Whirlpool AP4070403 defrost control board works for Maytag MZD2768GEW? Suitable for 240545403 240554501 240554502 240375803 EAP2582247 1614983 AP4909015 5304429380 241508001 5303918302 PS2582247 parts and more. Control board. – Defective heater defrost. For a while I manually defrosted it and it would work for a while but this control board fixed the problem immediately. Timer In Plastic Housing, is the correct part to order, and will work for your Maytag refrigerator. So, you can try the following tips to fix the issue. 4.25"L x 2.5"W. Defrost module. However, if it has gone faulty, it will prevent the defrost heater from turning on, which completely stops the process. However, the defrost is made up of several parts, and if only one of which is not functioning properly, it … You will find some part is defective or is not working properly. Maytag refrigerator troubleshooting not cooling. Below we have listed the most common problems for Samsung refrigerator. However, if you have checked all of the above, then it may, in fact, be a case of a faulty control board that needs to be replaced. All on/off LED’s will blink, Stop pressing to view load status. Samsung refrigerator troubleshooting guide for models RFG29PHDBP, RFG29PHDPN, RFG29PHDRS, RFG29PHDWP. defrost heater will turn on for 21 minutes or until bi-metal opens. the auto-defrost stopped working so the fridge would stop cooling even though the freezer was cold. If they check out good, but you aren’t getting 120vac from the ADC board, replace the ADC board. Your rating: * 5 4 3 2 1. Shop Today! This video provides information on how to test a defrost thermostat on a refrigerator. • Verify proper wire connections. Also unplug the white plug on the right side of the the blue … However, some parts of the defrost are more likely to be at fault than others, so here is where to start your investigation. Refer to next. 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. The pin layout is shown in the image below,  make note of the location of the J1 pins. Refrigerator Defrost Electronic Control Board for Whirlpool GR2FHMXVS02 Refrigerator. – Evaporator Fan Motor defective. Then press the refrigerator temperature (+) button one time to confirm that you want the service mode. (Again this control board is used on many different refrigerators.) Also commonly known as the power control board (PCB), this controls the compressor and defrost cycle. The defrost thermostat is a commonly replaced part on a fridge that isn’t cooling properly. Adaptive Def. 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