Question about Sub-Zero 642
Had the coil replaced 3 months ago due to freon leek. now condensation is back in the exact same place on the back wall. repair guy says it just needs a "dryer" but I think he didn't fix it and it is still leaking freon.
FIRST TIME HE DID RIGHT THING, BUT IF IT HAPEND AGAIN DRYER WOULD NOT FIX THE PROBLEM, NEED HEAT EXCHANGER I WOULD THINK.
Posted on Apr 19, 2014
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Posted on Jan 02, 2017
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
Posted on Jun 18, 2009
Yes, this is normal. My 642 does the same thing. It seals to be more efficient while trying to cool back down after it has lost heat while open.
Posted on Aug 23, 2009
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.
Posted on Jul 21, 2010
SOURCE: I have sub zero 642.
I will advice you clean the condenser on your unit, follow the steps below to clean the condenser,
Before you delve into any electrical appliance and especially something like a refrigerator, it is extremely important to switch off the refrigerator and unplug it from the power source.
After you have switched off the power of your refrigerator, you would find a grill like cover panel at the bottom front part. Unscrew or remove this panel by snapping it off, you can do either depending on its setting. Then find a plug point for your vacuum cleaner as you are soon going to need it.
You have already set the vacuum cleaner, so just turn it on. Use the attachment of the wand and nozzle, your condenser cleaning equipment for cleaning out all the dirt and grime collected beneath the refrigerator. Get rid of as much dust as you can from the condenser. The nozzle attachment will be more helpful in cleaning the coils.
Once you are done with the coils, check out the cover plate which would also be dirty. Clean out the grills from that cover plate. Hot bleach water will do wonders to clean the plate. Before you re-install the cover plate let it dry.
Well, congratulations! You have successfully accomplished condenser cleaning with regards to your refrigerator. You can now turn the refrigerator on.
Posted on Sep 07, 2010
On your control panel, do you have a (bell) logo? If so, press and hold that button unit the code disappears, it could take ten seconds or so, you should hear a beep. If not, turn the unit off for about 1-2 minutes by the control panel on/off switch, then when you turn it back on it should not re-appear. It depends on the model and version software in the unit on how to remove the service light and error codes. But if you continue to receive error codes you will need to have the unit looked at by a certified technician to prevent bigger problems down the road. I am a certified technician and willing to lead a hand when possible. You code 24 is a defrost over heat fault, which can happen from time to time, every-time I found this code I could never find an error in the system or defrost hardware, when I cleared the code, it never appeared again. I hope this helps.
Posted on Nov 07, 2011
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