Ice building up inside fridge on the back wall PLEASE HELP
You either have a bad thermostat or the defrost system is not working. This is not a repair the un-skilled homeowner can handle. Try to find an honest repair person. If it is several years old, may not be cost effective to have repaired. Average life of a new frig is in the 8 year range. Lucky if you get more. Older ones were better.
SOURCE: G.E. side by side Freezer Coils and back wall full of ice.
If you replaced the "defrost timer", and the circulation fan runs ok before the ice buildup occurs, you will have to melt the ice so the panel will come off. Then, pull the back panel off and inspect to components. First, the defrost element and connections to it. If connections are good, disconnect 1 connector and check the resistance of the element itself with a ohmmeter. It should be 40-150 ohms, depending on the unit. If it is excessive or infinate, replace the element. If it is ok, leave the element disconnected and check the other component (defrost termination switch) which is clamped onto the evaporator coil and has two wires attached to it. It should read 0 to 2 ohms at room temprature, and no more than that as it is a temprature controlled switch. If it has excessive resistance, replace it. These are the only 2 components, aside from the defrost timer, that encompass the entire defrost circuit in most refrigerators.
SOURCE: Freezer is cool but not freezing or making ice - fridge not cold
If there is frost on the back wall of the freezer, then the compressor is running. Another (maybe) good thing is the fan is running.
The problem could be -
1) Bad defrost heater
2) Failed defrost sensor
3) Failed defrost timer or refrigerator controller board.
There are diagnostic tests to determine the problem, but require skill at using a multimeter and possibly reading a schematic/wiring diagram.
You can temporarily make the refrigerator run again for awhile by unplugging, opening the doors, and defrosting for 6-8 hours (store food in coolers.). Then plug it back in. Note, water may come out of the freezer as a result of defrosted ice.
SOURCE: GE GSS 22KG SIDE BY SIDE REFRIGERATOR 6 YEARS OLD
The codensor fan is not running. I have the same problem. I had the fan replaced a year ago for the same problem, so I can't tbelieve it's the fan. I am guessing something on the circuit board is not letting the fan kick on. I don't have a definite answer yet, but the fan not running is the main issue you are having.
SOURCE: PDS18SBMRBS model GE Profile fridge. The fan
the heater unit might be weak and usualy it is a hlogen light that need to be replace , so the defrost will be better
SOURCE: My GE fridge is icing up in the freezer part on
Most likely , the problem is a bad defrost heater , pt # WR51X10055 , but I would still suggest going thru the motions to make sure . The heater runs about $45.00 .
Pull the refrig out and remove the 8 " x 10 " panel . Behind this panel , is the main control board . Unplug the refrig . Remove the BLUE plug from the board , with 3 larger wires going to it . Looking at the blue plug , the sequence will be wire1,wire2,space,wire3 . Get a short piece of insulated wire , and strip about 1/4 inch from each end . Insert 1 end into wire2 , and the other into wire3 . Plug the refrig back in . After about 3 min , look in the freezer , at the bottom , behind the crisper , look for a red glow . If no red glow , unplug the refrig , and reassemble the plug and cover . This no glow , indicates a shorted defrost heater WR51X10055 . It is also advisable to replace the defrost thermostat ( pt. number WR50X10068 ) when replacing the heater . To access these parts , you will have to remove the inside rear wall of the freezer . The heater , is at the bottom of the coils , held on with 2 screws , and the thermostat , is the 1 " cylinder , with a blue and pink wire going to it , clipped on the top left of the coils .
If you do get a red glow , then the # 4 thermistor is bad . This tells the main control board , the temp of the coils , if they need defrosted , when they are thru defrosting . This thermistor is the 1 " long , torpedo looking piece , clipped on the top left of the coils , with 2 white wires going to it . Part number WR55X10025 . It would be advisable to also replace the # 5 thermistor , located at the bottom of the freezer , slightly in front of the drain , also with 2 white wires going to it , slid into a housing . This thermistor , is the freezer thermistor , which tells the control board , the freezer temp and when to cycle off due to selected temperature .
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