Question about Sub-Zero Bottom Freezer Refrigerator

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Model 550 Refrigerator constantly running. Had a Subzero repairman in and he said the evaporator coil is leaking and the refrigerator compressor is running constantly to keep up to temperature. I have it set at 5 and the temperature is 38 degrees. I decided to turn the freezer control to off (to make sure that compressor was not running) so I could move the refrigerator control warmer to see if it cycled off. When I turned the freezer off, the entire unit went silent; it apparently was the freezer compressor that was running constantly. He said he checked the freon level in the refrigerator section and it was showing 4 (lbs?) and it should be around 15. Now I'm questioning his diagnosis. He was quoting a total of $400.00 in repairs (it is still under warranty) Could it be something simpler? Any ideas?

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  • 462 Answers

If its as warm as you say and the refrigerant is R134A his estimate of the pressure (4# is low for 38'F) is correct.

As for the leak I can only assume he sees something to make him believe its the evaporator.

As to the warranty (if its under 1 year it should all be covered. If its 2-5th year just the compressor is covered on some manufacturers others its the sealed system meaning leaks also).

And as far as $400.00? That's not out of line from my experience (limited by 30 years of doing this) I believe from what you have said about this fellow he knows his stuff and what it costs him to do business and that he will be around to perform your next service you need also. A rare thing to see these days. Even with hard times everywhere a business still has to make a profit and cover over head. Unless your AIG, GM, or Chrysler.

Posted on Apr 14, 2009

3 Suggested Answers

JJDown75
  • 8 Answers

SOURCE: Hi...need help...subzero 550

Make sure the condensor is clean, blow some Air though the Condensor to make sure good Air flow towards Compressors. also, you might have a bad defrost timer or Freezer Control... worst case you might have a bad Compressor... hope I can help....

Posted on Apr 15, 2008

SOURCE: Subzero Model 550, freezer not working properly

Blow out the condenser with an air compressor. Make sure the evaporator coil is not frosted up, if so, the drawer may naot have been closed properly, or you may have a defrost problem, (timer, terminator, etc). Possible freon leak in the high side drain loop. Compressor may not be pumping efficiently, could have a bad condenser fan motor.

Posted on May 31, 2008

Krazytech
  • 725 Answers

SOURCE: SubZero 550 Refrigerator Coils Freezing

defrost problem ... do you have frost or ice?

Posted on Aug 25, 2008

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