it takes a few days before you lose cooling to the point food will spoil
your fridge has no set defrost times, it uses an adaptive defrost system that runs the defrost cycle based on compressor run times and door openings
you said forced defrost came on for you one time, is it not entering defrost when forced now?
btw, you have to replace the freezer back or the fridge will run constant cause air is not circulating properly, even if you just put one screw in to hold it in place, thats good enough
and one of your earlier questions... forced defrost will not work 2 times in a row, the defrost thermostat opens and turns off the heater at around 47 degrees, it must cool again before the heater can come on again
did the last technician have the control panel in the fresh food section apart at any time? if so we need to check 2 wires in there that can mess up defrost if reversed
sorry i missed you yesterday, had a busy day and had to catch up on my sleep
i'll be on and off for a while yet tonight