Most likely going to be the defrost heater element or the defrost thermostat. Both are located behind the false back in the freezer and can be tested with a multimeter (Or just replace both if you don't have one, the parts are not too expensive). I cant recall the heater Ohm rating, but as long as it's not open circuit it is OK.
Although unlikely to be the cause, if you want to double check the control board (If the heater element and thermostat test OK), you can simply use the diagnosis mode on this model.
First, switch fridge off at the power point for at least a few minutes, press the clock button on the display to ensure there is no residual charge in the system.
Second, turn the fridge on and immediately press both "Fridge" and "Freezer" buttons simultaneously.
Move through the test modes by pressing the "Clock" button, when the screen shows "def" the heater should turn on. It will start getting hot and melt any ice, if these parts are working.
SOURCE: WESTINGHOUSE FREEZER MATE
Check the back bottom freezer wall to see if there is frost on it. If so you have a defrost problem. If the coil dosent defrost it becomes an ice ball and no air can flow. Could be a defrost timer which switches the refrig into the defrost cycle. There is also a heater and thermostat in the system. Shut it off overnight with the doors open to defrost it and get it temporarily running . If it is not frosted up make sure your coil underneath is clean and your cooling motor is running in the back, bottom.
SOURCE: Westinghouse model RS663T - not cooling fridge or
IT IS THE DEFROST THERMO STAT REMOVE REAR COVER AND MELT ICE IT IS ROUND SILVER PART
SOURCE: westinghouse virtuoso fridge freezer on top has
you have a piece of electronic installed in the cooling freezer it must be the problem if there is nothing so it will be from the behind side you must change it
SOURCE: Hi, I've recently found that my westinghouse
if the back wall of the freezer is iced up the problem is most likely the defrost thermostat.
Hi,
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heatman101
Hi,
Check out these tips...they can help you figure out what is going wrong with your refrigerator and why it is not cooling
Refrigerator not Cooling or Fridge not Cooling
How to Defrost Refrigerator Defrost Timer Problem
Water Running in refrigerator from Freezer
Refrigerator or Freezer not Cooling or Getting Cold
heatman101
Hi,
Check
out these tips...they can help you figure out what is going wrong
with your refrigerator and why it is not cooling
Refrigerator
not Cooling
or Fridge not Cooling
How to Defrost Refrigerator Defrost
Timer Problem
Water
Running in refrigerator
from Freezer
Refrigerator
or Freezer not Cooling or Getting Cold
heatman101
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