SOURCE: Whirlpool Freezer Model #EV150NXENOO
This one sounds like the defrost timer is not working and you are not getting a defrost cycle every 6-8 hours (or when needed). Another issue could be that air (moisture) is getting in from a leaky door seal, etc. and causing the freeze up. If you have a sealed system problem where the cooling coils are not uniformly frosted up then the defrost thermostat will not "know" there is an ice condition and therefore not go into defrost mode (same issue if the defrost t-stat is bad). After you have ALL the ice out of the unit it would be a good idea to take the interior rear cover off so you can view the coils. Start the freezer back up and watch over the next 1/2 hour or so to see that the entire coil is frosting up uniformly. If it isn't you may have a plugged system, a leak causing low refrigerant, etc. If over time the coils look uniformly frosted up you may have a defective defrost heating element itself (no heat, no defrost sort of thing). The defrost elements can be checked with a multimeter for continuity if you know how to do that sort of thing. It's hard to know a person's ability by these forums or if they can tackle certain test procedures.
SOURCE: Upright Freezer not freezing,
looks like low on freon. that causes freeze up. oddly enough they freeze up when charge is low , just the opposite of what you think they would do. you have a freon leak unfortunately. probably not accessible, and therefore not repairable. i would suggest, cut your losses and buy new. unfortunately for me and all other srevice techs, the days of affordable repair are over, you can now replace cheaper than i can fix and have a warranty and its new... good luck
SOURCE: Kenmore upright freezer Model # C675-287140J
defrost drain may be plugged.shut freezer off,melt ice with blowdryer,and unplug drain.drain probably located behind inner back wall beneath coils.
SOURCE: Re: danby upright freezer 20.1 cubic ft., model #
The lower hinge on each door
may have a door closing cam. It raises the door up ¼ inch when opening and this
assist in closing the door. If it’s wore out and doesn’t work the door may not
seal and the gasket can be damaged. Watch the operation of the door to see if
it rises up when opened.
Leave the door shut and let the magnetic gasket hold the
door in place. Put something between the bottom of the door and the floor to hold it in case it slips.
Remove the bracket holding the pin and hinge assembly taking
note of order of removal of parts. Slide new cams on. You probably need two.
SOURCE: My Upright freezer Hotpoint Product code 755703
My FZA 84 regularly has to be defrosted as it overheats.We do this by taking off the back panel - as shown by the Hotpoint service man here in Dublin. We use lukewarm water or a hairdryer to defrost the buildup of ice. Why its building up is anyones guess.The repairman suggested we might be leaving the door open but we certainly aren't. I'm very disappointed with the product and I wouldn't be purchasing Hotpoint again.
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