Question about Frigidaire 20.3 Cu. Ft. Frost-Free Upright Freezer - White

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Lffh21f7hwa Have FRIGIDAIRE upright freezer but no owners manual. I need assistance resetting the digital display one the door. Display reads "0F" but temp continues to go up. Contents are thawing. Please assist.

Posted by Michael Rhodus on


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Hello Michael - Sounds like the temperature control was accidently turned OFF. When this occurs the temperature control turns off the compressor, but does not disconnect the power to the light bulb or other electronics. Let's try activating the freezer by pressing the UP arrow until display shows "4" or desired setting. Allow 24 hours for temperature to stabilize. For future reference you can lock the control to keep from accidently changing the temperature setting. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if the unit's status has changed successfully. Thank you.

Posted on Jul 03, 2013

  • kandy L kelley
    kandy L kelley Mar 04, 2019

    will that turn the freeze because my not coming on



David Smith

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I have a Frigidaire upright freezer. model # LFFH21F7HWA. on the door of the freezer display its flashing the temperature and its flashing 1hr duration. whats this mean? please help.

Posted on May 07, 2014


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  • 121 Answers

SOURCE: Temperature alarm is on on

i would make sure that the coils are all clean, inside and out. make sure the fan runs on the back, the water pan isn't over flowing.

Posted on Jun 25, 2010


Donald Rowan

  • 262 Answers

SOURCE: Frigidaire upright--

2 months old should still be under warenty.

Check the freezer fan by opening the freezer door and pressing the door switch and listing for the freezer fan sound. If no sound then the fan motor could be bad.

Look at the back wall too see if you have frost build up. If you do then you have a defrost problem.

If thees are not your problem you could have a seal system problem. (( freon leak ))

Posted on Jan 11, 2010

John Lugo Jr.

  • 6 Answers

SOURCE: We have a frigidaire upright

Freezer burn to food is caused by air & moisture in contact with it.
There should be a tight seal by the rubber gasket along all the inside edges of the freezer door. This gasket prevents unwanted hot moisture and hot air from entering the freezer compartment and causing ice build up. You can test the integrity of the rubber gasket seal by seeing how the freezer door will pinch a slip of paper in various spots around the freezer door. If the slip of paper pulls out easily, there is not a good seal at that spot. If that's the case (which I believe it is), the door gasket needs to be replaced. By the way, ice will build up over time because you need to access the food in the freezer, hence you will introduce moist air each time you open the freezer door.

Posted on Aug 29, 2011



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    SOURCE: Frigidaire gallery upright freezer door ajar light staying on and alarm keeps going off....still maintaining 0 degrees temp

    Control board is miscommunicating with the rest of your unit. Contact a professional.

    Posted on Aug 14, 2012

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    1 Answer

    Fridgeaire upright freezer no serial numbers to be found anywhere was trying to adjust temp on front of door outside now unit says of and is not running how to turn back on???

    tough one
    i guess its a frost free
    turn the thermostat adjustment to on /highest temp temp ...then off /lowest
    till the compressor kicks in

    if not suspect faulty digital display panel or thermostat itself

    agreed no serial number etc
    makes it very hard to help you fix this


    Oct 11, 2016 | Frigidaire Freezers

    1 Answer

    Let's try this again. My frigidaire freezer model Lffh21f7hwg, the display board reads "of". How do I reset it. I do not have the owners manual.

    I appreciate your post, Clayton!

    From the information you have provided the display board on your Frigidaire freezer reads "OF". That reading means your freezer is off, you should be able to turn it back on by pressing the up or down arrow five times in a row. If you need any additional assistance please feel free to reconnect. I hope this is helpful to you. -Matt

    Mar 31, 2015 | Frigidaire Freezers

    1 Answer

    Ok, upright freezer, frigidaire, read -12 after power outage but working ok..when I tried to reset temp to 0, light went off, freezer went off, front display reads 56..any ideas?

    Thank you for your post, Cynthia!

    Based off the information you have provided your Frigidaire freezer is not cooling properly and is now displaying the temperature of 56. It sounds like your freezer is not on, even though it has power the compressor is not turned on. I would suggest pressing either the down or up arrow three times within five seconds. That should power on your compressor and it should start cooling properly. I hope this is helpful and if you should need further assistance please feel free to reconnect. -Matt

    Feb 28, 2015 | Frigidaire Freezers

    1 Answer

    Lost manual for my Fridgeidare upright freezer 20.5 with the controls on outside. what does 0F mean. and if I need to set it ,we just moved how do I set it?

    Hey friend, thanks for your post!

    From my understanding you have recently moved your Frigidaire freezer and it is now displaying the "OF". Normally, that stands for off you should be able to press the "Up" or "Down" arrow three times within five seconds to start your compressor. If you still need a copy of your manual could you provide me with your model number? You can locate your serial tag (which lists your model number) on the inside wall of your freezer. I hope this has been helpful. -Matt

    Oct 11, 2014 | Frigidaire FKFH21F7HW 20.5 Cu. Ft. Upright...

    1 Answer

    My new frigidaire freezer the digital display on outside of door flashes off what to do?

    Hello - Typically "OF" indicates that the freezer is turn off. To activate freezer, press UP three times until display shows "1" then press UP to desired setting. If it will not allow you to change setting and freezer continues to be off, try resetting the freezer by unplugging it or flipping the breaker off. Wait approximately ten minutes and turn it on. If "OF" continues to display, the unit could possibly have a communication problem with the electronic control assembly. Contact a professional to move forward accurately.

    Nov 04, 2012 | Frigidaire 20.3 Cu. Ft. Frost-Free Upright...

    1 Answer

    The temperature display is reading 0 degrees

    Zero degrees F is the normal operating temperature for a freezer. The compressor should not come on until the time is above that.

    Apr 26, 2010 | Frigidaire 20.6 cu. ft. / 583 liter...

    2 Answers

    Freezer will not turn on

    Sounds like the sensor circuit may be open. Here is the problem, either it has a board that's bad or the sensor is out. Ohm the sensor circuit and record the temp the box is at in refrigerator and freezer. then the ohm reading. Contact manufacturer or representative of manufacturer, and ask what the sensor should read at the temps you have.

    Generally if you get a reading on the sensor circut the sensor is ok, and the board is out BUT not always. this is why you need the temperature and the ohm readings. Sometimes the wire diagram has a legend with these reading on it. Look all around the underneath and behind sections for an envelope containing the wire diagram.

    Apr 16, 2009 | Freezers

    1 Answer

    No digital readout

    Hello derek143

    You Said,
    I have a Whirlpool upright freezer AFG 371/H there is a digital display and lights and buttons, on/off temp alarm etc running across the top of the freezer. None of this works but the freezer is still freezing. i have no idea what the temp is.

    I think you should try unplugging it for 5 minutes and then try restarting it and see if it reset.

    Sep 11, 2008 | Freezers

    1 Answer

    Frigidaire Upright freezer with Beeping Display

    First make sure you have a good 9v battery installed. If it is ok then the problem will probably be in the display board or the wiring connectors between the boards. CE is communication error. If your model has the electronic tempature control instead of mechanical thermostat the problem could be in there. My bet is a bad connection at display board.

    Sep 05, 2007 | Kenmore 20.6 cu. ft. Upright Freezer 24092

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