Question about Sub-Zero 680 / F

2 Answers

Model 680-1. freezer is icing up especially around the icemaker. Seems to try to defrost but drips down to the lower section. 2. Icemaker controls on the door are constantly clicking.

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  • dan6800 May 23, 2011

    The unit is a model 42" 680 approx 10 years old.

  • dan6800 May 23, 2011

    Thank you rick I will try that. I should continuity through it right???

  • dan6800 May 23, 2011

    Thank you Rick. the main freezing is at the icemaker. The whole thing was encased in ice.

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If your freezer is iceing up this is due to a defrost issue that comes from either the defrost thermostat, the defrost heater, or the defrost timer or on some adaptive control board. you can perform continuity tests with a multimeter on the thermostat and the heater using a multimeter and the defrost timer i think in the 680 is found in the same spot as the 550 where the compressor is next to the condensor coil if you dont see a defrost timer then you would have an adaptive control board on 80 percent of the defrost issues are due to a bad defrost thermostat if you have any questions message me back Thanks Rick

Posted on May 23, 2011

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  • Rick Ead
    Rick Ead May 23, 2011

    you can also read more on why this happens by clicking this link http://www.applianceoutletservice.com/ap... Once again if you have any further questions message me back I await your reply Thanks again Rick

  • Rick Ead
    Rick Ead May 23, 2011

    10 years old then you would have a defrost timer like the 550 model and not an adaptive control board first thing to do would be to goto your evaporator coil on one of the copper lines you will see a small round disc with two wires going to it this would be the defrost thermostat and test this for continuity Thanks Rick

  • Rick Ead
    Rick Ead May 23, 2011

    each piece that is good would show continuity through it correct so you would first remove the defrost thermostat i know on subzero there is a plug clip in and then you would test the defrost thermostat Not always on a subzero is it only one problem either recently while i was repairing a similar issue in a subzero 550 xl i had no continuity to the defrost thermostat in which i replaced the defrost thermostat four weeks later i get a call back on the job for I stopped diagnoseing when the thermostat showed no continuity it was in fact also the defrost timer that had went as well so im also includeing a video on how to test the defrost timer as well tricky lil buggers subzero are on most units if it shows one fault you wouldnt get another but on subzero you might as well test so you dont end up with the same issue that I had heres the video http://www.youtube.com/watch?v=tPpLl2d00...

    i await your reply if you have any further questions and please remember when our chat has fully concluded to rank how this opinion has helped it allows me to continue helping others in similar situations Thanks Rick

  • Rick Ead
    Rick Ead May 23, 2011

    do you have a leak where the water comes in from the back of the machine if so then you would replace the water inlet valve located at the rear of the machine a constant drip would mean you would have to replace the valve Thanks I await your reply Rick

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Hello,

unfortunately, there is no service manual for this model of Samsung side by side refrigerator. But I think I can help you out....

Do you notice frost accumulation in the back wall inside the freezer area?

If you do, the freezer evaporator could have frosted up or the defrosting cycle is not functioning in the freezer.

What I can suggest is to defrost the unit manually by unplugging the unit for a whole day. Remove and transfer all the food to prevent spoilage to another unit if you have one.

Then if all ice has thawed up, plug it back and start from scratch.

Observe the unit if it will now cool back normally both fridge and freezer.

Keep me posted.

Regards.

Posted on May 23, 2011

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http://www.american-appliance.com/catalog/newsdesk_info.php?newsPath=12&newsdesk_id=34

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