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Whirlpool Refrigerator WRT318FZDW02 freezer warm but refrigerator cold

repair2021

Premium Member
Joined
Feb 14, 2021
Messages
4
Location
CA
Model Number
WRT318FZDW02
Brand
Whirlpool
Age
1-5 years
Whirlpool top-freezer refrigerator WRT318FZDW02 is only 3 years old. The refrigerator seems to run almost constantly. At first, the refrigerator was too cold (freezing items). Door gaskets seem fine and I vacuumed the coils/area at bottom rear (behind cardboard plate) even though they weren't dirty. After several weeks, the refrigerator section is fine, but the freezer is not cold enough (top shelf is somewhat cold, bottom shelf is not cold at all) and there is frost on the back wall of the freezer. Any ideas? Thanks.
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
41,156
Location
Murray, Utah 84107, United States
OK , Leave the machine plugged in and running and remove the evaporator cover, Take a picture of the frost pattern on the evaporator coils and post it here. Be sure to reinstall the evaporator cover.
 

repair2021

Premium Member
Joined
Feb 14, 2021
Messages
4
Location
CA
I have attached pictures of the freezer panel, inside, and fan (fan looks ok). Thanks!
 

Attachments

  • Frost on outside of panel.jpeg
    Frost on outside of panel.jpeg
    152 KB · Views: 30
  • Frost inside.jpeg
    Frost inside.jpeg
    243 KB · Views: 29
  • Evaporator (freezer) fan.jpeg
    Evaporator (freezer) fan.jpeg
    170.6 KB · Views: 30

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
41,156
Location
Murray, Utah 84107, United States
You have a sealed system problem. Sealed system repairs are expensive and will often exceed the machines value. Call Whirlpool with your model number and serial number. Some machines have a 5 year warranty on the sealed system. Check your warranty.
 

repair2021

Premium Member
Joined
Feb 14, 2021
Messages
4
Location
CA
Thanks. It only has a 1-year warranty. Could it also be a problem with an individual part (run capacitor, freezer thermistor, defrost thermostat, etc.)?
 

rickgburton

Appliance Tech - Moderator
Staff member
Joined
Jul 11, 2006
Messages
41,156
Location
Murray, Utah 84107, United States
Could it also be a problem with an individual part
No, it's either a refrigerant leak or system restriction causing the evaporator to starve. The frost ball in the top right corner is where the refrigerant enters the evaporator. When the high pressure liquid refrigerant enters the low pressure evaporator, it boils and that's what makes the evaporator frost. Not enough refrigerant is getting into the evaporator.
 
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