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You have a defrost problem in the freezer,it is one or more of 4 things,freezer fan,defrost timer,defrost bimetal switch or defrost heater,check all until you find your bad part-mike........How do I check for these things?

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Do you know how to use a volt meter???-mike

Posted on Jan 08, 2009

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Remove the food in the freezer section enough so that the 2 screws holding the lower freezer panel on and the freezer panel , can be removed . Remove the panel . If the heater (black element at the bottom of the coils ) wires are visible , trace then to the top of the coils and disconnect . Use an ohm meter to determine if the element is good . If the element IS good , at the top of the coils , is a 1" cylinder with 2 wires , clipped onto the coils . This is the defrost thermostat ( bimetal ) . Replace this part if the element shows good . If the element shows bad , replace the element . NOTE 1 : sometimes the element and the bimetal come wired togather and the replacement part comes with a new heater and bimetal already wired togather . This would be the adviseable replacement part . However , each part can still be replaced individually . NOTE 2 : If looking at the bimetal and the top plastic " cap " looks cockeyed , replace the bimetal as moisture has gotten inside and disturbed its designed function .

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There is a eight hout defrost timer, bimetal thermostat, and defrost heating element in the defrost circuit. Three parts and the wiring harness.(four)A solid block of ice would be caused by some failure in the defrost system of the unit over a period of 30 days. It is a normal buildup of ice from the humidity in the air when you open and close the doors.... Normally it defrost the evaporator coils for about 20 minutes three times a day(every eight hours)

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My guess is the water dispenser stops working because when the air flow gets changed by the ice build up of the coils it is causing a freeze in the refrigerator section of the coil loop of water tubing behind the lower fresh food drawers. This may go away with fixing the defrost problem

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  2. Same for the condenser fan motor on the bottom in the back of the fridge
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It sounds like you have aproblem with the defrost cycle. Three parts make up defrost system in most refrigerators. The heating element, bimetal and defrost timer, these components need to be checked to determin which is bad. The heating element and bi metal are on the coil behind the freezer back wall, if you have someone who can use a volt ohm meter, with the food removed and refrigerator unplugged ck for resistance on the element if you get a measurment its good, the bimetal will give you a resistance measurment as long as its covered in ice. if these two check ok you may have a bad defrost timer. Id check the bimetal first, hope this helps.

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