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FIXED GE Profile Artica (PSS25NGNA) - erratic cooling

VentureRider

Premium Member
Joined
May 3, 2011
Messages
8
Location
FL
Model Number
PSS25NGNA
Brand
GE
Age
More than 10 years
Hoping to glean some expertise from this Group.

Here's a synopsis of the symptoms, and what basic troubleshooting I've done.

Freezer is set to 0, refrigerator is set to 37.

Actual recorded temperatures

Freezer = -4 -> Refrigerator = 26

Couple hours later:

Freezer = 12 -> Refrigerator = 34

Couple hours later:

Freezer = 3.3 -> Refrigerator 31.9

Fans are running. Condenser is warm-to-hot to the touch. Minimal dust bunnies on the coils / sealed components.

Pulled the back panel in the freezer to view the cooling fins / coil - the bottom 1/3 of the fins had ice buildup. The top 2/3 of the fins had zero ice buildup. I went ahead a defrosted the entire freezer coil, reassembled and plugged the unit back in.

IMG_4165.JPG


I've replaced the evaporator thermistor.

This seems to have resolved a portion of the cooling issue.

The current settings are freezer = 0 & refrigerator = 37.

Current temps this morning:

Measured by OEM temp sensors:

Freezer = 0
Refrigerator = 29

Measured by SensorPush sensors:

Freezer = .8
Refrigerator = 29.2

It "appears" the freezer-side temp issue may be resolved, but the refrigerator temp issue remains.

If I raise the refrigerator temp (eg: from 37 to 39), both refrigerator AND freezer temps start to rise.

Any suggestions on where to begin further troubleshooting or components to replace would be GREATLY appreciated!
 

VentureRider

Premium Member
Joined
May 3, 2011
Messages
8
Location
FL
I've taken apart the refrigerator damper assy...the door hinge was broken. As a temporary measure, I have JB Welded the broken part, and will reinstall the damper assembly. This may provide "shipping time" to order and receive a new damper assembly.

Meanwhile, the unit has been unplugged and defrosting most of the morning.
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
131,456
Location
Redmond, Oregon
Freezer is set to 0, refrigerator is set to 37.

Actual recorded temperatures

Freezer = -4 -> Refrigerator = 26

Couple hours later:

Freezer = 12 -> Refrigerator = 34

Couple hours later:

Freezer = 3.3 -> Refrigerator 31.9

The Damper will fix the refrigerator section from being too cold.

Here's the Damper assembly for your model, with a video that shows you how to replace in the part link:
WR49X10091 Refrigerator Damper Assembly


I've replaced the evaporator thermistor.

This seems to have resolved a portion of the cooling issue.

The current settings are freezer = 0 & refrigerator = 37.

Current temps this morning:

Measured by OEM temp sensors:

Freezer = 0
Refrigerator = 29

Measured by SensorPush sensors:

Freezer = .8
Refrigerator = 29.2

It "appears" the freezer-side temp issue may be resolved, but the refrigerator temp issue remains.

If I raise the refrigerator temp (eg: from 37 to 39), both refrigerator AND freezer temps start to rise.

Any suggestions on where to begin further troubleshooting or components to replace would be GREATLY appreciated!

Good job, lets hope the freezer stays around 0 degrees F now that you replaced the evaporator thermistor.:)

Here's the evaporator thermistor for your model, in case others need it too:
Thermistor WR55X10025


Jake
 
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