MFU21M3BW1 Uni Freezer - Overview

Sections of the MFU21M3BW1

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Run Capacitor – Part Number: 5304464438
Run Capacitor
★★★★★
★★★★★
(3)
PartSelect #: PS2333670
Manufacturer #: 5304464438
This part is attached to the compressor. It helps the compressor kick on and off while maintaining a constant temperature to keep things frozen in your freezer.
$67.85
  In Stock
Order within the next 1 hr and 8 mins and your part ships today!
SCREW – Part Number: 216858001
SCREW
PartSelect #: PS2331296
Manufacturer #: 216858001
Sold Individually.
$22.77
  In Stock
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Evaporator Shelf Trim - White – Part Number: 5304509723
Evaporator Shelf Trim - White
★★★★★
★★★★★
(4)
PartSelect #: PS12364569
Manufacturer #: 5304509723
$45.61
  In Stock
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Door Shelf End Cap Set - Left and Right Side – Part Number: 5303925377
Door Shelf End Cap Set - Left and Right Side
★★★★★
★★★★★
(1)
PartSelect #: PS469917
Manufacturer #: 5303925377
This kit includes both the left and right side end caps.
$58.30
  In Stock
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Interior Drain Plug – Part Number: 216502600
Interior Drain Plug
★★★★★
★★★★★
(1)
PartSelect #: PS426014
Manufacturer #: 216502600
$31.65
  Special Order
Shelf Support - Right Side – Part Number: 297001500
Shelf Support - Right Side
★★★★★
★★★★★
(1)
PartSelect #: PS977265
Manufacturer #: 297001500
$32.93
  In Stock
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Shelf Support - Left Side – Part Number: 297001600
Shelf Support - Left Side
PartSelect #: PS977266
Manufacturer #: 297001600
Sold individually.
$32.93
  In Stock
Order within the next 1 hr and 8 mins and your part ships today!
Gasket Retainer Clip Kit - 24 Pieces – Part Number: 5303922007
Gasket Retainer Clip Kit - 24 Pieces
PartSelect #: PS469567
Manufacturer #: 5303922007
These are used to hold your gasket in place.
$84.63
  Special Order
Hinge Bearing – Part Number: 297006800
Hinge Bearing
PartSelect #: PS1146288
Manufacturer #: 297006800
Are you tired of your freezer door sticking or creaking? Our genuine Frigidaire Bearing-Hinge might be just what you need. This high-quality, original manufacturer part is a crucial component of your ...
$25.31
  In Stock
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Filter - Drier – Part Number: 5303305677
Filter - Drier
PartSelect #: PS464532
Manufacturer #: 5303305677
Refrigerant system filter/dryer.
$45.95
  In Stock
Order within the next 1 hr and 8 mins and your part ships today!
Compressor Start Relay – Part Number: 216008900
Compressor Start Relay
PartSelect #: PS424279
Manufacturer #: 216008900
  No Longer Available
Drain Hose – Part Number: 5304512272
Drain Hose
PartSelect #: PS12364945
Manufacturer #: 5304512272
$29.12
  In Stock
Order within the next 1 hr and 8 mins and your part ships today!

Questions And Answers for MFU21M3BW1

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Common Symptoms of the MFU21M3BW1

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Will Not Start
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Fridge too warm
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Freezer section too warm
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Won’t start
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Too warm
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Frost buildup
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Fridge and Freezer are too warm
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Noisy
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Fridge runs too long
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Doesn’t stop running
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Clicking sound
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Clicking sound then within a minute clicking again, not cooling.
UNPLUG REFRIGERATOR. Carefully remove relay from the side of the compressor. You shouldn't need a tool to do this, if it is hard you can gently pry the edge with a flat head screw driver just to loosen. Unplug white and red wires from relay, noting that the white wire goes in the hole with a #2 stamped beside it. Shake old relay, if it rattles like a baby rattler then it's most likely the problem. Replace wires into the new relay and plug back into the compressor.
Parts Used:
Compressor Start Relay
  • Melvin from Semmes, AL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    Less than 15 mins
81 of 97 people found this instruction helpful.
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The freezer was going into alarm
We loosened all the screws around the door and slid out the old gasket.
We then slid the new gasket behind the panel and screwed the screws back in place.
Parts Used:
Door Gasket
  • Sharon from Green Valley Lake, CA
  • Difficulty Level:
    Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
36 of 43 people found this instruction helpful.
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buttom of refrigerator not cold
unplug it, pulled compressor start relay,which i thing it was the problem, but i replace bolt, very easy.
Parts Used:
Run Capacitor Compressor Start Relay
  • Giuseppe from brick, NJ
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
23 of 29 people found this instruction helpful.
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