Question about General Electric GSH25JGDBB: ENERSTAR 25.3 Cu. Ft. Side-By-Side Refrigerator with Dispenser
Posted by Anonymous on
If the heater HAS shorted (burned look) it CAN destroy this board. FYI: Usually, heaters burn because the defrost termination thermostat is defective. The heater can literally melt the aluminum shield if this is the case.
ALSO: If your compressor won't run after replacing the heater and thermostat, WAIT for about an hour (with your fridge plugged in) before deciding this board is bad and preventing the compressor from coming on. Mine miraculously started...after 1.5 hours. YES.
It has a pair of freezer sensors (along with the simple defrost termination thermostat) with a microprocessor control that apparently brain fades sometimes.$$ saved.
Posted on Apr 02, 2017
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Posted on Jan 02, 2017
Heat exchanger was iced over, took a hair dryer and melted ice. I think defrost heater element is bad will check it this week end. I put a new computer in the frige about 3 mounths ago and will check if it has gone bad. The compressor is working fine.
Posted on Jun 05, 2009
SOURCE: I have a GE refridgerator,
Check for a defrost problem.
The evaporator coil behind the cover on the back wall inside the freezer will ice up under normal conditions. Every 8 to 10 hours for around 20 minutes the defrost timer (or in most newer models the electronic adaptive defrost control) will turn the defrost heater on to melt the built up ice. There is a defrost thermostat which prevents the heater from overheating the freezer by breaking the heater circuit when the temp reaches close to 32 degrees F. The entire cooling system shuts off during the defrost cycle and starts back when the timer advances through the cycle.
If this ice is not melted it will continue to build up until the air can’t flow over the coil to circulate the cold air through the freezer and into the fridge. The temperature change in the fridge is usually noticed first followed by the freezer.
If the defrost thermostat is bad, it can prevent the heater from coming on OR it won’t turn the heater off when it gets too warm. It is clamped to the evaporator coil at the top to sense the temp. If it appears to be misshapen it is bad.
With an ohm meter it should show continuity when cold and none when warm.
You can also bypass(disconnect the two wires plugged into it and twist them together) the thermostat to see if the heater comes on then. If it does then you know the thermostat is bad and needs replaced.
The defrost heater is located on the evaporator. It is in a tube which is at the bottom and can also go up the sides of the evaporator. On some types you can see a burnt spot if it’s bad. With an ohm meter it should show continuity from end to end when disconnected from the wiring in the freezer. You can also test the wiring for voltage when it’s in the defrost mode.
you have an adaptive defrost control instead of a timer, replace it if the heater and thermostat test good. It is located on the back . part 801 on this diagram. http://www.partselect.com/ModelFrames.aspx?ModelID=397572&ModelNum=pds22mcraww&ManufactureID=2&Selected=00124552i02&Position=0&mfg=GE&Type=Appliance&Mark=0
Posted on Mar 01, 2010
Have you changed out the WR55X10942 Motherboard? Here is a link to test points on the motherboard HERE and here is a service manual HERE I don't mind helping answer your questions so feel free to contact me, Thanks Sea Breeze
WR55X10942 Main Control Board
Posted on Mar 22, 2013
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