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Old 06-10-2013, 05:10 AM   #1
E597283
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2011 Passport Refrigerator Temperature Control

I have had issues with setting the temperature in my refrigerator. I have the sticker that says to slide the plastic glide up on the fin for cooler temperature but the refrigerator always takes a while to cool and doesn’t seems to be that cold. I have read on an older thread that the wire with the “large tip” needs to be actually touching and making contact with the fin. Is this correct? I do have it attached to the glide but I am not sure it is actually making contacting with the fine. Why don’t they just have a normal temperature control dial like a normal refrigerator? I assume there are not temperature controls for the freezer?
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Old 06-10-2013, 06:54 AM   #2
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It doesn't have to touch the fin, but the higher it is the cooler the fridge should get. Get a fridge thermometer, you should see temps on the top shelf around 30 degrees. The fridges take a long time to cool 6-8 hours from turn on.

Also too much food packed in there, especially along the walls will reduce cooling. A small electric fan inside will help, also.

Ray
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Old 06-10-2013, 11:03 AM   #3
E597283
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What actually is in the wire that knows it is raised up and asking for cooler temp. How does it work? And why no temp control in the freezer?
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Old 06-10-2013, 12:46 PM   #4
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I believe it's just a temperature sensor. If you move it higher, it tells the fridge it's warmer and needs to be cooled. As is the case with more compact fridge/freezers, it's a single cooling system that puts priority on the freezer, using the fridge as the thermostat.
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Old 06-10-2013, 02:48 PM   #5
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It's a resistor that changes resistance with temp, so called a Thermistor.

The change in resistance is read by the little fridge brain and adjusts the amount of heat applied to the boiler and cools the fridge more. Moving the thermistor higher makes it cool more. I believe the air is warmest near the top, hot air rises, so there is a temp difference.

It's a pretty smart simple method, no moving parts, unlike a knob method which can get oxidized and easily get erratic.
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