Hello G (Andreseng),
Sounds like you have accomplished quite an education
for yourself in REFRIGERATION...
The good news is:
It is much easier than EVERYTHING you have
already done... Bad news: Part cost $204.23
For purposes of our discussion... it sounds like you have
fully covered the AIR INTRUSION reasons for FROST
blockage... and have graduated to the DRY
defrost DRAIN PAN part of your journey...
(water should appear there daily (dry = bad sign)).
You are successfully calling out all the parts of
the DEFROST CIRCUIT but one... (power source).
Older (simpler) refrigerators, freezers & wine coolers
these were DEFROST TIMERS but yours is a
Defrost CONTROL BOARD which (in your model)
lives right behind the temperature controls...
in front of your upper interior lights... SPECIFICALLY
"WPW10503278" (yours is called a jazz board)
http://www.appliancepartspros.com/whirlpool-board-jazz-wpw10503278-ap6022400.html
I am including a VIDEO INSTRUCTION GUIDE...
This is where the "D-Sense" (orange) wire of
your DEFROST HEATER gets line power from...
Video Guide
Refrigerator Electronic Control Board part WPW10503278 How To Replace
I BELIEVE ...
you get pretty much the same parts everywhere
(partselect collect "CORE" cards... (rebuilds??))
Obviously I like appliacepartspros... (today):
Good prices, support, forums & guarantees
(I no longer consider SEARS as fondly
(abusive, expensive, incompetent... etc., etc., ID10TS))...
>>> $89.00 <<<
(I don't like them... and this is probably a mistake...
$89.. is a WOW PRICE
Refrigerator Electronic Control Board Part Number WPW10503278 Sears...
Competitors. $208.09, $265.95 - (core) = $204.95
Main Control Board WPW10503278
partselect
Whirlpool WPW10503278 Electronic Control Board PartSelect
Hope this helps
Carnac the Magnificent
Whirlpool WPW10503278 Electronic Control Board...
Electronic Control Board Whirlpool...
Refrigerator Electronic Control Board Part Number...
Refrigerator Electronic Control...
Does the door gasket seatedall the way arround ff and freezr? Is the ice dispencer door closed ? IS there a full seal at enterance of evap condencer lineand water line?
Does the door gasket seatedall the way arround ff and freezr? Is the ice dispencer door closed ? IS there a full seal at enterance of evap condencer lineand water line?
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If the evaporator is just freezing up around the area where the refrigerant first enters unit, then it may be low freon. When the defrost element is fubar the entire evaporator is covered with ice not just a segment of it.
SOURCE: Defrost Problem
there is a drain in the middle of the defrost water collector and it is probably blocked - usually with ice. dry ot the tray and put very hot water in to melt the ice. you may have to do several times. do this until water flows away freely
SOURCE: Kenmore 596.75509400 bottom freezer defrost circuit test
if the thermostat is not cold enough it will be open and not allow the heater to come on. I would suggest you let the unit run for a few hours then check on the defrost cycle. in that time the terminator should close allowing the heater to work
SOURCE: How do I test the defrost thermostat?
the fan is ctrl by the Jazz board the thermdisc is for defrost post your email and I will send you the manual on test process and test point as well as the defrost
SOURCE: Refrigerator Defrost Troubleshooting
you cannot do this
just check the defrost heater and the bi metal, if they check good then the adaptive defrost control is bad
SOURCE: Defrost heater not cycling
sound like to me you have a wire terminal short on the neutral side between you def. t-stat and the adc
go to www.servicematters.com for the service bulletin on this issue
If you need further help, reach me via phone at https://www.6ya.com/expert/marlon_56d9a24f02585258
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