Question about Sub-Zero 19.3 cu. ft. / 547 liter Upright Freezer 601F

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Freezer always on

I have noticed that my Sub zero is always on.  I have a it set at -05.  My electricity bill is much higher than normal.  I have moved it down to 00 but it still stays on.  DO I need a new thermostat?  Is this easily replaced?

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Re: Freezer always on

If the display reads -20 even though the freezer is set for 00, shut the unit off. If you can still hear the freezer compressor running, the board has a stuck relay for the freezer compressor. You will need a new board.

Posted on Oct 13, 2008

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Re: Freezer always on

Try cleaning the condensor coil first...Subzeros are quite sensitive....turn unit off first as to not displace the dust everywhere...

Posted on Jan 20, 2008

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I have a freezer bosch log/xx model dc125e12raw5r600 tempretureis only -5 is this normal


My name is Peter. I am a retired field service refrigeration technician.
The ideal temperature range for a freezer is -2/+2 degrees F. This temperature range can very depending how full the freezer is. If your freezer is jam packed -5 degrees is good. If it is half full, +2 degrees F. is a good setting.
Too high of a setting such as -20 degree F. will cause freezer burn (bone dry your food).
Your compressor will kick in and cycle until it reaches the temperature setting. You can save on your electrical bills based on your evaluation of the necessary temperature setting.

Oct 19, 2014 | Bosch Freezers

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Sub Zero 700 suddenly stops after 12 years. Compresser is burning hot.

The compressor will normally be 100 to 110 degrees. I would suspect the thermostat or mouse damage in the freezer area. Also, if you keep it overstocked, to the point of poor air circulation, you could just have ice blockage. Put the frozen food in a styrofoam cooler or a good heavy corrugated box and give the unit a good full defrosting.

Dec 15, 2012 | Sub-Zero 700 Refrigerator Freezer...

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The freezer door was left wide open for most of the day. Will this destroy the freezer?

Hello Scott. No. The only thing it does is run up the electric bill and possibly cause the frozen food to deteriorate more rapidly than it would if it was kept at zero degrees farenheit or lower. Joe

Thanks for choosing Fixya!

Nov 30, 2010 | Woods Upright Freezer V1613RW3

1 Answer

Our sub zero seems to defrost in cycles. Not sure why ice cream melts in there while other meats remain frozen. Is this an expensive problem?

The defrost may be lasting too long....and ice cream is always the first thing to melt... you need at least 10 F to keep ice cream hard...
Check out these tips...they can help you figure out whats going wrong with your refrigerator and why it is not cooling

Refrigerator not Cooling or Fridge not Cooling

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Sep 08, 2010 | Sub-Zero Freezers

1 Answer

Unit runs continually with gurgling sounds

defrost fully once a year or more if you notice it frosting should run at minus 18c to 20 c for best results. 0f is fine.gurgling noise is normal (liquid turning to gas before compressor turns it back to liquid).make sure door seals all round and the kids close the door asap after use......also if you portion up food prior to freezing and vacpack it it will last longer.and be easier to store/rotate.

Feb 17, 2010 | Frigidaire 15 cu. ft. / 425 liter Chest...

1 Answer

Running continuously

Hello bxrjer,

You said, you have a FFU20FC6AW2 freezer that I have noticed is running continuously. Explains my $400 electric bill.

How old is the freezer?

The thermostat may be faulty.
But check out this list first.

If the black tubes running back and forth that carry the freon is under the freezer and behind the plastic grill down near the floor you may want to remove the grill cover and gently run a refrigerator brush across the coils. Ive seen them never cleaned and full of lint and dust 2 inches thick.
This is not good for the freezer or any refrigerator too!
They need to be clean so air can run across them or they over heat and get hot.
Room or outside weather is hot. It is normal for the freezer to work harder under these

Reasons why Freezer may run too much or too long.

1.Freezer had recently been disconnected for a period of time. Freezer requires 4 hours to cool
down completely.
2.Large amounts of warm or hot food have been stored recently. Warm food will cause the
freezer to run more until the desired temperature is reached.
3.Door is kept open too long or too frequently. Warm air enters the freezer every time the door
is opened. Open the door less often.

4.Freezer door may be slightly open. (Freezer is not level. It rocks on the floor when it is moved slightly. This condition can force the cabinet out of square and misaligned the door.Freezer needs to be leveled if this occurs.
Floor is uneven or weak. Freezer rocks on the floor when it is moved slightly. Level the floor by using metal or wood shims under the freezer or brace floor supporting the freezer.

5.Temperature control is set too cold. Turn the control knob to a warmer setting. Allow several
hours for the temperature to stabilize.
6.Freezer gasket is dirty, worn, cracked, or poorly fitted. Clean or change gasket. Leaks in the
door seal will cause freezer to run longer in order to maintain desired temperature.

Let me know what you find
Please remember to leave a rating before you leave.

Aug 18, 2008 | Frigidaire 20.6 cu. ft. / 583 liter...

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