Hi, our refrigerator section stopped cooling so cleaned coils beneath and area back by condenser. could hear and feel fan in freezer dept. Opened back wall of freezer after unplugging and noticed extremely frosted/iced coils. Left unplugged to allow them to defrost. Once that was done, went ahead and checked the heating element and got a reading of about 38 so that checked out. Plugged it back in and advanced the defrost timer, got no heat but then realized freezer should be cold for it to activate so waited, and checked again and it did heat up. Left fridge running and timer seemed to work as it cycled to cooling on its own and then again to defrost on its own. Coils now seem to be frosting and then defrosting. could the timer or heating element be failing intermittently. Or could the thermostat (which we haven’t actually checked b/c what we’ve read here says advancing the timer causing the heating element to heat up indicates the timer is the problem) If the timer is bad and we manually advanced it to the defrost cycle and it continued on to the cooling cycle, doesn’t that indicate it is working? could the dirty coils on the bottom of the fridge somehow have affected the system? we don’t want to replace the wrong part. thank you.
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