Question about Sub-Zero 632 / S

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Sub zero 700br shuts down

Sub zero 700br2 underCounter unit. It works fine and cools nicely. Just suddenly it will shut down. I can start it up fine via the control panel. Sometimes it works for 3-5 days then just shuts down. What I have done: made sure the condenser coils are clean and lint free, turned the unit off for 10 minutes at the breaker to reset, when unit is on air is sucked through the coils and it gets warm - plus no problem on it working, reset it by holding the start button and temperature heard the clicking and reset, no error codes appear, or any codes at all. My thought is it is the thermistors and there are two of them to replace. Possible the temperature get too cold then just shuts off. I would appreciate your suggestions. Thank you Kevin

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  • Kevin933k May 12, 2014

    Thank you for your great response.

  • Kevin933k May 12, 2014

    Thank you for your great response.

  • Kevin933k May 12, 2014

    Add a Comment. I did take off the panel on the bottom drawer and looked inside- no ice or icing. It was clean. I also put it into diagnostic mode and received the following details; 43 L, 37 E and 46 O( or might be a U).

  • Kevin933k May 12, 2014

    From the diagnostic measurement "37 E" is appears low freon is not an issue.

  • Kevin933k May 12, 2014

    Just complete another service check - 42 deg "L", 35 deg "E", and 43 deg "U".

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If this machine takes to much time to get to temp. Or doesn't shut off once it reaches the right temp then the board will sense a problem and shuts it down. It could definitely be a thermistor causing the problem. I work on tons of these machines. Onetime I fixed a customers machine that had a leak in the sealed system. I fixed and charged it with freon it was working perfect when I was there. The next day customer called the machine was off I went there couldn't find any problems. Restarted it same thing next morning it was off. Long story short the man had it so filled that it was taking to long to get to the right temp it was shutting down. So the next time it shut off I showed the customer how to restart it before it lost temp. Never had anymore problems.

Posted on Jun 24, 2014

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Posted on Jan 02, 2017

Rotu
  • 175 Answers

SOURCE: Subzero 700BR Refridgerated Drawers Not Cooling

If your unit is new enough to have an on/off button on the keypad, then put it into diagnostic mode by pressing and holding the "colder" button, the pressing the on/off button at the same time. the display should change and it should read a temp like 67r or 67e. you can scroll back and forth through the 2 temp readings by pressing the colder key. If the fridge has been running, the temp of the one ending in "e" should be no more than 38. If it is, then you most likely are low on freon and will need to have the evaporater replaced. The part will be covered under the 12 year parts warranty, but the labor will only be covered for 5 years.(from date of install, not date of manufacture printed on the lable) If you want to go into it more, take the lower drawer out and remove the 6 screws holding the panel to the floor inside the fridge, then slide out the floor panel. Look at the coils in there, and if you see a ball of ice on the left hand side, you have a freon leak and the above repair is what youll need to to. if its older than 5 years, ecpect to pay about$500 to have it fixed...it's a mojor pain. If its less than a year out of the 5 year, call subzero...theyll probably take care of it for you anyways. Good Luck!

Posted on Jul 18, 2007

Rotu
  • 175 Answers

SOURCE: Sub-Zero 650/F

get into diagnostic mode by pressing and holding either colder key, then pressing on/off. You can use the colder key to scroll through 5 reading labeled fe, re, f, and r  look at the re temp. is it higher than 38? if it is you probably have a freon leak in the evaporater refridgerator (call sub zero...they will completely pay for this issue, even past the 5 year warranty)  If the temp reads really low (like 10 on re or something) you probably have a bad fan or fan switch in the fridge portion. this unit has seperate compressors and freon for the fridge and freezer..hence the lack of problems in the freezer. hope this helps!

Posted on Oct 24, 2007

  • 125 Answers

SOURCE: sub zero 650 fidge holding at 53 degrees

Most likely you have a leak in the evaporator. Subzero warranties the parts for 12 years. Call them to find out what they will cover. They are agreat company and will be fair with you.

Posted on Jul 19, 2008

Sea Breeze
  • 4654 Answers

SOURCE: Sub-Zero 695s - plastic/rubber fridge door edge is warm

This is normal and is to keep door from getting moisture or sticking around door seal. You also can contact them at 1-800-222-7820
Sea Breeze

Posted on Mar 27, 2009

wheelshot
  • 102 Answers

SOURCE: 650 sub zero that has a vacuum condenser message returns.

I have seen this many times and have fixed the problem many times. You may notice a ball of frost or ice build up in the fresh food compartment, This is because you have a leak in your evaporator coil and it needs to be replaced. It is a pretty costly repair but well worth it in consideration to what you paid for this unit or what the cost of a new one would be. Because it has less freon in it is why the compressor is running longer and causing message to pop up. Have the evaporator replaced in the section that is giving the issue and this will solve your problem with the unit.

Posted on Apr 11, 2009

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