Question about Turbo Air 49 cu. ft. / 1388 liter Commercial Freezer MSF-49NM

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Fluctuating temperature.. for the past 2 weeks, the temperature has been fluctuating between -11 and +6, when it is supposed to be set at -18. i've also noticed spots of oil beneath the grill. it is past its warranty and i would appreciate any solutions to this problem. thank you.

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Re: Fluctuating temperature..

Could be a freon leak check condensor lines were you see the oil if lines have oil on them then it is leaking slowly and you need system work

Posted on Aug 29, 2007

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Why does temperature fluctuate between 30 and 65 degrees all day long?

Check and clean the condenser, set thermostat to 3 or 4. If still problem persists, change thermostat.

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Good day. My Samsung fridge/freezer SR-S22FTFB runs normal for the first few hours when been switched on, both fridge and freezer temperatures were set for (- 18 and 2), both fans are running and when

Hello Danie;

My name is Peter. I am a retired field service refrigeration technician.

The normal setting for a freezer is -2 to +2 degrees F., and the normal setting for the fresh food section is +35 to +40 degrees F.

You only have one source of cooling and that is your freezer. With the settings that you have, you are asking your unit to do what it is not designed to do.

The ice maker is struggling because if it is a cast steel ice cube mold, the heater beneath it is not designed for the current to break the ice cubes free @ -18 degrees F., or if you have a plastic flex ice cube mold it is too ridged to flex enough to break the ice cubes free. Normally your ice maker should dump 8-10 times in a 24 hour period.

A note on food storage. Make sure you do not overload your freezer of fresh food section to the point where food product extends beyond the edge of the shelves.

Nov 17, 2014 | Samsung Freezers

1 Answer

Why is the temperature fluctuating.

Service engeener always checks the average temperature inside freezer or refrigerator compartment. When you turn on freezer, the compressor starts to circulate gas through the system and the temperature in the freezer is decreasing (go to minus). When inside of the freezer reaches the set temperature the compressor is switched off and temperature will increasing. What will be the difference of inside temperature depends on the type of refrigerator and type of thermostat or sensor and moves to max. 8-9 degrees. With the advent of new "No Frost" refrigerator, this difference was reduced to only a few degrees Celsius, thanks to the fan inside the refrigerator and NTC sensor.
So 29 + 14 = 43; 43/2 = 21.5 which means that your average temperature of -21.5 which is not too much deviation from the set temperature of -18 and I think that is ok.


Jun 13, 2014 | AEG 10.35 cu. ft. / 293 liter Upright...

1 Answer

The freezer wont go to it's normal temperature and alarm keeps beeping!

either its not defrosting or its low on freon, is there frost anywhere in the freezer, such as the back wall?

Feb 04, 2013 | Freezers

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Frigidaire FKFH21F7HWA Freezer Control Panel Stuck at 0F

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We ve had the Bosch fridge-freezer (KGU3201GB/01) for about 10 years. Suddenly this morning the freezer started losing temperature, which rose to -13 degrees and the alarm went off. We put the...

Hi Robert, sounds like the unit is not defrosting.

Try this to indicate defost issues.
1. relocate food in the freezer, turn the unit off for 2 days and leave the door open, this will allow total defrost.
2. clean, then restart unit with door closed, after and every 2 hours check temp, I feel you may find it will get to its operating temp reasonably fast and should stay there.

If this is the case, I suspect the defrost heater element has failed and needs replacing, this is the most common cause of your type of issue.

Hope that helps and please dont forget to vote. Regards Russ

Mar 19, 2011 | Bosch 3.2 cu. ft. / 91 liter Upright...

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What temperature shoud it be on please - it has from 1 to 3

I would suggest setting it on 2. But to eliminate guessing, the dial should be set so the temperature in the freezer compartment is 0 degrees F (-18 C). The best way to ***** this is to put a thermometer in the freezer and adjust the dial until the temperature is steady at 0.


Mar 16, 2011 | Candy 2.5 cu. ft. / 71 liter Upright...

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Problems with the temperature dropping quickly

Sounds like a refrigerant charge problem.

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Tempeature control panel

Hi Robert,
Happy to help.

If the unit is ten years old or more, buy a new one and save a lot of money on electricity!!!!!!!!

If you call service.
These guys are good!
A&E factory service does most brands warranty services.
They are open 7days/24hours nation wide.
call tonight! 1-800-905-9505

I am happy to assist you!
PS. Before you leave this site please leave a "Problem Solved" rating for me on

Aug 05, 2008 | Kenmore 13.7 cu. ft. / 388 liter Upright...

1 Answer


if assited check air circulation within cabinet.
check condenser if air assited, clear and clean if necessary.

failing that air probe might be dodgey
condenser fan ?
or thermal over load on compressor

Feb 19, 2008 | Freezers

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