Question about Kenmore Refrigerators
I have replaced defrost heater 3 time now and keeps burning out why?
Getting to hot or on too long ? Have you replaced the defrost terminator and defrost timer ? Are the heaters wired in series with the heavy coil on the bottom ? Need more info ?
Posted on Mar 25, 2014
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Posted on Jan 02, 2017
If one coil was burnt out and you replaced the heaters and defrost terminator switch I would recheck the continuity through the defrost heaters. You can do this with an Ohm meter with the refrigerator unplugged. If you had an open coil in one of the heaters you did not have to replace the thermo disk. If you have a complete circuit through the heaters try using the old thermo disk. If you have a meter you can check the voltage from the heater connection on one side to the inlet side of the thermo disk with the refrigerator running in the defrost mode. You should read 115-125 Volts on the meter. This reading tells you that the defrost timer is supplying power to the heater circuit.
Posted on Apr 30, 2008
you need to replace the defrost board. its the board at the back, on the right hand corner at the bottom of the fridge. this is not inside it's outside on the back of the fridge. this controls defrost system.
Posted on Apr 15, 2009
This is how the defrost works . I have NEVER found a defrost problem associated with a bad main control board since these computerized GE's came out in 2000 . Lots of thermistor problems , lying to the board , causing different problems .
Your GSS model refrig does not have a defrost timer . It works off of the main control board . Pull the refrig out and remove the 8 " x 10 " panel . Behind this panel , is the main control board . Unplug the refrig . Remove the BLUE plug from the board , with 3 larger wires going to it . Looking at the blue plug , the sequence will be wire1,wire2,space,wire3 . Get a short piece of insulated wire , and strip about 1/4 inch from each end . Insert 1 end into wire2 , and the other into wire3 . Plug the refrig back in . After about 3 min , look in the freezer , at the bottom , behind the crisper , look for a red glow . If no red glow , unplug the refrig , and reassemble the plug and cover . This no glow , indicates a shorted defrost heater WR51X10101 . It is also advisable to replace the defrost thermostat ( pt. number WR50X10068 ) when replacing the heater . To access these parts , you will have to remove the inside rear wall of the freezer . The heater , is at the bottom of the coils , held on with 2 screws , and the thermostat , is the 1 " cylinder , with a blue and pink wire going to it , clipped on the top left of the coils .
If you do get a red glow , then the # 4 thermistor is bad . This tells the main control board , the temp of the coils , if they need defrosted , when they are thru defrosting . This thermistor is the 1 " long , torpedo looking piece , clipped on the top left of the coils , with 2 white wires going to it . Part number WR55X10025 . It would be advisable to also replace the # 5 thermistor , located at the bottom of the freezer , slightly in front of the drain , also with 2 white wires going to it , slid into a housing . This thermistor , is the freezer thermistor , which tells the control board , the freezer temp and when to cycle off due to selected temperature .
Posted on Aug 31, 2010
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