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Re: 8 year old Sub-Zero model 690. Condensor coil leaking
When copper and aluminum are connected it cannot be welded, it has to be crimped. this is a problem that is not exclusive to sub zero, an all aluminum evaporator ( if it is in the refrigerator it's an evaporator) should resolve the problem nicely
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when i see this and it's not the coil needs cleaning it's usually a leak in the evap coil.the freon is leaking out.have you noticed any ice on the left hand side of the back wall around two feet up from the bottom glass shelf and the fridge getting warmer?the sealed system is under warrany for 12 years,if it isn't under warrany the whole job is close to 1000 dollars,if it is under warrany you'll save around 250 dollars and this isn't something you can do.good luck with your machine.
i would call a tech in for this,sub zeros are not like regular machines,the freezer and fridge have their own components,it's like two machines in one,whenever i've seen the vac condenser it's ussually a freon leak in the fridge evap coil so i would have to think you could have a freon leak in the freezer section,usually the bottom copper loop rots out,your talking about a machine that costs almost 10,000 dollars or more,if it is a leak i think you're covered for the first 12 years on the sealed system,you can do a few checks,look at the door gasket,does it have any rips or does it look damaged in any way,also i've seen the light switch stick and the lights stay on when the door is closed and heats up the freezer,open the freezer door and push the door switches in and out and see if the lights go out,but other than that i would call a tech in to repair your sub zero,i know if you do have a leak in the system it's could be close to a grand or more to repair and you need all the tools to do the repair.
I assume from your post you have vacuumed the condensor at the top of the unit? Did you do this regularly over the life of the unit? You have shut the unit off for at least 5 minutes (allowing it to reset) and then turned it back on and the vac condensor light still flashes? I had this same thing happen - unfortunately for me I have had to replace the condensor twice in the 12 years I have owned the unit. Luckily first time was covered by warrantly (parts and labor). Second time was in the 11th year and the parts were covered, and the labor was covered 50% after I complained......It ended up being a leak in the sealed system (condensor). If it keeps happening you may want to call for service - could be that it just needs freon, but it could be the condensor)
maybe a re-gas will last another ten years...if the leak is that small a re-gas will probably last it days out....ask the service man to re-gas it so the food does not spoil until you can save up for replacement...then just see how it goes.
The sub zeros I have worked on have a compressor for each side. Is your fan blowing. You may have a defrost timer or heater. Possible low on gas but thats not very likely the sub zeros are made very well. Check to see if fan is blowing. Check condensor coils on top to see if they are clean. Check to see if your condensor fan is blowing. These are just possoble problem you can check if every thing looks good. Call a service tech ask for free estimate on repairs. Rus
Call the factory at 800-222-7820.They will give you a list of the authorized servicers in your area. It sounds like the evaporator and the parts will be covered by the year 6 through 12 parts only warranty. If you are in Westchester County $625 sounds right. The vacuum condensor flashes when the compressor has too long of a run time and will reaapear a day or so after it has been reset. I assume the tech made sure the condensor fan was running and the condensr is actually clean.
you might have a few problems,, make sure to check the condensor is clean, also make sure the condensor fan motor is going... you might have a bad Condensor fan motor, and Ref Control or a Freon Leak @ the Evaporator... I would call a tech to check it out...
You do have a leak and it will be in the evaporator. So call a factory authorized company and have it replaced.The warranty of a Sub Zero sealed system is full parts and labor for years 1-5 and parts only in year 6-12. Sub Zero expects a lot of their service companies so it behooves you to call one. To find an authorized company go to http://www.subzero.com/locator/locator.aspx?type=0&zip= or call 800-222-7820