Quote:
Originally Posted by Xringer
I don't see anyway to get a eyes-on the coil, to see if it's iced up..
It has been rainy earlier this month, but right now the indoor RH is 25%.
According to my digital meters It's 40% in the basement and 70% outdoors.
Is it possible the defroster mode failed and the coil iced-up a few weeks ago?
Maybe the cold air flow is being partly reduced (50%?) by the frost,
and it's not allowing enough cold air to flow down to the main compartment?
With the duct damper full open, the cold air is coming down pretty well.
But not enough..
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Looking at your model number: WRT138FZDW, we're talking a top freezer unit with the fridge below it.
There must be some way to remove the cover on the rear of the freezer compartment to get eyes on the coil.
Yes, if the coil is 50% or more blocked, you won't be getting the airflow necessary to move the BTU's inside the enclosed container to where they can make the heat transfer on the coil to be removed. The ice forms an insulator.
Tomorrow, if it is really below freezing in MA, consider placing your freezer articles out on the porch in the shade while you poke around in the freezer compartment. If you unplug the device and keep the fridge door shut, it should maintain the cool factor in the refrigerator compartment. In the meantime, keep poking around youtube looking for videos on how to get to the evaporator fan.
I expect it should look something like this:
Once you're in that area of the device, you'll be able to see if you're defroster is not functioning properly, or the fan is not running when it should. Either of those issues could be causing your limited flow.