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Freezer defrost question

Old 04-14-2009, 11:32 AM
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Default Freezer defrost question

I was asked to look at the fridge on a friend's boat. It is a good sized boat, so the fridge is a typical home style two door GE with ice the door of the freezer. He does not use the boat much and when I first looked at the freezer about 6 weeks ago, it was badly frosted up inside. I told him the defrost heaters were probably burnt out. So, I defrosted it by turning it off for a day. We turned it back on and closed the door. I ordered him a new set of heaters and installed them this weekend. When I opened the door 6 weeks later after defrosting it, I opened the door to find a similar amount of ice.

There's nothing in the freezer. The water is off as well. I would have thought there was very little air circulation in a closed freezer, but apparently the "ice in the door" is so badly insulated or sealed, that there is a constant air exchange. Comments?
Old 04-14-2009, 12:35 PM
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GE Answer Center__

http://www.geappliances.com/service_...pport/contact/
Old 04-14-2009, 12:58 PM
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Freezer will frost up just from running if defrost cycle is not working. Did old glass heaters look burnt?
Old 04-14-2009, 01:18 PM
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I have a second home and have notice the same thing in high humidy check door gaskets. But what helped me was got some empty milk containers 1/2 - 1gallon put about three to four in the freezer with water in them and know the unit does not have to work as hard because somthing is frozen in side temp stays down took care of the ice problem!
Old 04-14-2009, 01:34 PM
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Sounds like the defrost timer is bad. I've replacement 4 of them over the years for people. It's a black box usually on the lower right in the back of the unit about the size of a pack of cigarettes, has a shaft coming of it. The ones I replaced failed on and kept the units from freezing but they could just as easy fail off.
Old 04-14-2009, 01:38 PM
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or the bimetal sensor. I'd replace that first.
Old 04-14-2009, 03:09 PM
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Defrost bi-metal comes with heater harness on GE.

Most newer refs don't have timers anymore. Defrost cycle is controled by electronic control.

GE has always had problems with thier glass heaters.
Old 04-14-2009, 03:40 PM
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Originally Posted by JimPend View Post
Sounds like the defrost timer is bad. I've replacement 4 of them over the years for people. It's a black box usually on the lower right in the back of the unit about the size of a pack of cigarettes, has a shaft coming of it. The ones I replaced failed on and kept the units from freezing but they could just as easy fail off.

That's what i was thinking, too. How old is the refrigerator?

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