Questions & Answers for: Sub-Zero defrost

...Evaporator Thermistor read open or shorted for 10+ seconds, or repeatedly read erratic temp?s 20 Defrost Under-heat with No Voltage Feedback Through Gray/White Wire at Defrost Start 21 Defrost ...

...cold air accross the evaporator to distribute the cold air around the fridge. It appears that your defrost system isn't working since you have ice buildup. You have a defrost heater and defrost ...

...the freezer will ice up under normal conditions. Every 8 to 10 hours for around 20 minutes the defrost timer (or in most newer models the electronic adaptive defrost control) will turn the ...

defrost tube doesn't drain water and ice form under crisper trays This is a bottom freezer - drain tube is clean and I need to melt the ice every two weeks This sounds like a problem with the ...

ice is forming in the refrigerator section, why Hello, You have a defrost problem and will have to remove the back cover to access the condensor to fix it. You should see a condenser blocked with ice ...

I have ice building up behind hydrator drawer and behind freezer drawer around a tube. defrost your unit check the defrost timer rotate it manually together with the defrost heater. lessen the ...

...the drawer. It seems to be freezing around the tube behind the drawer and spreads up and out. DEFROST PROBLEM The evaporator coil behind the cover on the back wall inside the freezer(fridge) ...

freezer coil inside freezer box loads up rhyme ice preventing air flow. If I defrost the freezer it will work fine for a few weeks. I suspect there is a defrost timer, or humidity control that isn'

...areas if frost and ice are forming in your freezer and your fridge is not cold enough, test Defrost Timer, Defrost Heater and the defrost thermostat when you detect where the problem is from, ...

What is defrost overheat? There is defrost heater which comes on in defrost cycle. defrost heater stays on certain time(lets say 15 min), but lets think it came on to defrost and melted all ice of the