Question about Jenn-Air JSD2789GES Side by Side Refrigerator
The most common fridge "not cooling" problem is a frost free failure. Remove the access panel in the freezer section to expose the evaporator coils. If the coils in the freezer section get plugged up with frost, this frost will block the evaporator fan motor from blowing the cold air around. The fan blade can also hit this frost and either become noisy or stop altogether. Locating the defrost timer can be tricky....they are often hidden behind the back bottom corners of the fridge at the bottom, in the last few years the timers have been located in the ceiling of the fresh food section, and some behind the cold control cover. Once you locate the defrost timer, slowly turn the screw like wheel in the middle of the defrost timer with a straight screwdriver until the fridge shuts off. You are now in defrost. If the defrost heater(s) comes on now, replace the defrost timer and defrost thermostat. If the heater(s) does not come on, you can ohm test the defrost heater for continuity or volt test for 120 volts to the heater(s). If you have no power to the defrost heater(s) you can also bypass the defrost thermostat to see if the defrost heater will come on, join the 2 wires together to bypass the defrost thermostat. If the heater now comes on, replace the defrost timer and defrost thermostat. If the heater itself is bad, defrost the fridge with a hair dryer, replace the defrost heater* and defrost thermostat. If the defrost timer seems "hot" to the touch or is noisy ( like a ticking or screeching noise )...replace it. Here below we have a link with parts layout of your fridge. This will help you understand how the fridge is constructed and identify the parts. You can also find the codes of the possible faulty parts and if you like you can order at the same pages also.
Here below we have a link with parts layout of your fridge. This will help you understand how the fridge is constructed and identify the parts. You can also find the codes of the possible faulty parts and if you like you can order at the same pages also.
Posted on Oct 01, 2010
The first thing you should check is for frost buildup on the lower back wall of the freezer. Assuming you do, unplug the unit from the wall outlet, remove the back wall of the freezer to expose the evaporator coil, which will likely look like a square block of snow. Frost itself is normal, but the unit has to defrost and remove this frost, yours is not defrosting. What you will need to test is the continuity through the defrost heater, and the defrost termination limit control. the heater will be two black wires coming from the top right side of the evaporator, and the term limit will be two white wires starting from a small device about the shape and size of a small stack of nickles clipped to the copper tube at the top of the evaporator. Both the term limit control white wires and the two black wires from the heater both connect to a single electrical connection. Disconnect the plug, and test for continuity between the two black wires, then the two white wires. If both show a closed circuit, both the heater and term limit or ok. The third and final part of the defrost system, other than the wiring, is the adaptive defrost control, which is located in the fresh food compartment, above the canopy at the top of the fridge. Take your two index fingers, place them in the finger notches on either side of the canopy, against the back wall. Pull down and towards you at these notches and the canopy will slide out. Once y ou slide this canopy out, either tape the door switch closed or unscrew the two light bulbs as they get VERY hot VERY quick. You will see two ¼" screws on the bottom of the exposed control housing, near the back right corner of the fresh food compartment, remove these two screws. Now you will also see a ¼" screw in the middle of the back wall on this housing, as well as two more near the front, behind the control slider scale. Finally, there are two philips screws above the two light bulbs. Remove these, and rest the housing on the top shelf. you will then see the adaptive defrost control, either within a small white plastic box with 6 wires coming out of it, or an exposed small circuit board, both are about 4" square. Grasp the electrical connector, not the wires, and the board/white box, and pull apart. REplace this adaptive defrost control, part #61005988, which you can find at your local appliance parts store. Finally, you can remove the frost with a hair dryer ONLY, do not use any sharp objects to pick at ice/frost. ONce all frost is cleared, reassemble all parts in reverse, plug it back in, reset controls at 5 and 5, and you will be all set.
If you dont see this heavy frost on the evaporator coil, please reply with what you do see on the evaporator.
Posted on Sep 30, 2010
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Posted on Jan 02, 2017
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