Question about Sub-Zero Freezers

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Temperature goes up

Right now it is 17 and things start to thaw. The freezer drawers stay colder than the cabinet does

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  • Lisa Davis Jan 29, 2009

    I did as you suggested and the fans appear to be working just fine. Could an accumulation of dust be the problem?

  • Lisa Davis Jan 31, 2009

    The freezer temperature is now down to 10 or 13.
    The freon has been checked and i wiped dust off the coil which is behind the bottom drawer. I would have vacuumed if off but the central vac is plugged up right at the moment and have been using an upright to vacuum. The whole freezer is built in and and has a wood face and there is a strip of wood at the bottom where the coil is covering up the works. I have been told by repair men in the past that having the board down at the bottom covering up the coil and such that the freezer might not work as efficiently. Blowing off the dust with compressed air is an excellent idea. thx for the advice.

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  • Master
  • 410 Answers

Do you hear any fans running?  by the temp staying cold on the drawers whih are in the lower area of the freezer it indiates to me that the fans are inoperable. to test open freezer door then push in light switch by hand and listen for the fans to come on. if it turns out you have bad motor you most likely will have to call a sub zero dealer to have repaired. messge me back with any questions peyton

Posted on Jan 28, 2009

  • peyton thompson
    peyton thompson Jan 29, 2009

    yes it could Im sure that the cond for your refrig is on top of the unit so remove the cover and expose the coil. vacum or blow them out with compressed air depending on how dirty they are. also while you have the cover off besure the fan motor on top is operational as well. after you do this and find everything operational let it run for a couple of days too see if the temp will come back to normal. if not, you most likely will have a freon system problem and will need a qualified service company to repair for you. thx peyton

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