Sub-Zero Refrigerators - Recent Questions, Troubleshooting & Support

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Sub-Zero Freezer getting ice on the control panel (Top)

check and inspect gasket seal or door not closing tight
9/27/2021 3:08:04 PM • Sub-Zero... • Answered on Sep 27, 2021
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Ice in the bin on subzero 632 freezer is in clumps

if the ice maker leaking it's easy to replace, or may be just a water supply tube has been moved to the side
8/22/2021 11:20:37 PM • Sub-Zero 632 / S • Answered on Aug 22, 2021
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Is there a comparable replacement for an Invensys k-75969 ice maker valve?

Most valves are the same.. icemaker fill valves
8/2/2021 7:18:45 PM • Sub-Zero... • Answered on Aug 02, 2021
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Sub-zero 650 vacuum condenser light keeps comming on

Turn the refrigerator off for a minute to reset the vaccum condenser light.
10/24/2020 2:24:49 AM • Sub-Zero 650 / O... • Answered on Oct 24, 2020
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I have a sub-zero stand type freezer model 501F , the top portion of the door is not closing all the way causing the food on the top shelf not to freeze however the bottom shelves are good. How do I troubleshoot this issue? Thanks

Fridge and freezer cabinets aren't anywhere near as rigid as they look - it is important they stand on firm level ground and using a spirit level and any adjustable feet the cabinet should stand level and four-square. This is good for the compressor too. Once level and square the door will remain in whatever position it is placed. There isn't usually much or any adjustment available at the door hinges but if there is the door should be adjusted for the best fit and the magnetic door seal should close to the metal of the cabinet and create an almost airtight seal. If after this process the door doesn't fit and an almost even gap between the door and cabinet isn't achievable, the door might be warped - the door also isn't rigid; very flimsy and flexible without the plastic liner and so any warp in the door is likely to be caused by a badly fitted liner or a poor quality liner...
11/4/2019 3:43:56 AM • Sub-Zero... • Answered on Nov 04, 2019
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Sub-zero refer.611/s is working fine but the freezer compressor has been running 24/7 for the last 2 weeks. Sometimes the freezer drops from it's setting of zero to 16-. Coils are clean and fan works.

I think it isn't fine because if a fridge/freezer that is otherwise healthy runs continuously (due to a thermostat fault), it would be colder than you could imagine with lower than arctic temperatures in the freezer compartment, minus 30-40 C for example. The conclusion must be your fridge isn't fine. Proper freezer temperature, incidentally, is minus 25-27 C for food to have a reasonable lifespan with minimal deterioration. There is no benefit from being colder but significantly warmer would mean the freezer contents should be replaced much more often - the freezer compartment of an old fashioned fridge (about minus 5) was reckoned to give fish, meat and dairy up to one month safe lifespan. A fridge that runs continuously (where the thermostat is good) could have a refrigerant loss resulting in a huge drop in efficiency, the insulation could be failing, the compressor could be failing or the de-icing panel could be permanently switched on - or any combination of these things. I note you say the coils are clean. If the refrigeration system is good with the compressor running continuously the coils will be hand-hot.
9/22/2019 11:52:46 PM • Sub-Zero... • Answered on Sep 22, 2019
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My subzero 590 was working

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Many times a freezer and/or refrigerator do not work right because of a dirty condenser coil...there are also many other things that can go wrong.


If you are hearing a clicking or buzzing then check out the last two tips.

If your refrigerator is running but warm, then…

Check out this tip that I wrote about that... it is a great place to start trouble shooting your unit...and something that you can do rather then calling a repair person to do a simple thing for you...

Refrigerator Condenser Coil Cleaning Refrigerator Repair

Refrigerator Troubleshooting Refrigerator Compressor

Refrigerator Compressor Start Capacitor and Start Relay


heatman101

9/9/2019 9:53:05 PM • Sub-Zero... • Answered on Sep 09, 2019
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Our Sub Zero 736TC has

The drain at the rear of the fridge is possibly clogged. To check: Remove all the shelves and crisper in fridge, remove the lighting diffuser panel you will then see 3 screws at the top of the back panel. Undo these screws and lift the panel up and out. This will expose the drain trough at the rear base of the fridge compartment. There is a small drain hole right in the middle of the trough. I found mine to be completely clogged and the trough was overflowing into the fridge compartment.Use a small wire (I used a twist tie wire) to poke into the hole and open up the drain.This should stop the problem, as any water will now drain to the tray in the base and evaporate.I also found that the door was really hard to open immediately after it was closed and after I cleared the drain this problem wnet away (I think the clogged drain was allowing a vacuuum to be created in the fridge when the door closed.
8/28/2019 5:39:11 PM • Sub-Zero 736TCI... • Answered on Aug 28, 2019
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Why is my sub zero fridge model 590 warming up?

Hi fridges will warm up on the outside as they remove heat from the inside. excessive heat with not extreme cooling inside the fridge indicates a possible degridation of coolant fluid or a leak. as the motor tries to cool the fridge the thermostat inside stays on as the tempreture inside has not been reached. if you hear the motor/ pump continually running this will indicate a cooling problem.

6/24/2019 8:54:18 AM • Sub-Zero... • Answered on Jun 24, 2019
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Sub-Zero 650 ice maker not working - makesa loud clicking noise

Sounds like the gear is failing in the ice maker unit. I would replace it.
5/31/2019 10:17:29 PM • Sub-Zero 650 / O... • Answered on May 31, 2019
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I have a sub zero

It is possible to replace the connector but might be hard to find the exact match. Maybe consider going to Fry's or a local electronic hobby store and replace both sides of the connector. You might even be able to find one that does a better job at moisture sealing...maybe an auto parts store that has replacement connectors for the engine compartment.
5/31/2019 10:15:22 PM • Sub-Zero... • Answered on May 31, 2019
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532 ice maker works, but dumps water into ice container with ice.

Do you still have a manual or can tell me the watts power consumption of the 532?

I'll look into your question. Sounds like a sticking icemaker water valve, but I'll have a look.
5/16/2019 12:56:21 PM • Sub-Zero 632 / S • Answered on May 16, 2019
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How do remove the wood panels from a sub-zero 561 refrigerator

When you open the door, you will see screws holding the handle in place. It would be best to have an extra set of hands to support the handle as you remove the screws. Once all the screws are out then the handle will come off and the panel will slide out. Sometimes you will need to remove the top trim as well. door-te21ehmlffeik4ctydewgrgf-2-14.jpg
4/22/2019 1:26:18 PM • Sub-Zero... • Answered on Apr 22, 2019
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Replacing a subzero 690 ice maker

2/14/2019 6:07:00 PM • Sub-Zero... • Answered on Feb 14, 2019
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My sub zero 601r no cooling

How soon did you start it up after you moved it & put it in its place?
If you plugged it in to soon after moving. Oil may have still been up in the wrong place of the compressor. Unplug it for about an hour. Then plug it back in. By plugging it in to early after moving you could have burnt up the compressor. This happens often.
2/10/2019 9:01:08 PM • Sub-Zero... • Answered on Feb 10, 2019
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Leaking sub zero 650

I fixed my leaking problem by pulling out the vegetable drawer and checking the condensation drain hose. Sure enough, it was clogged and the condensation had nowhere to go but move out toward the front of the fridge, down the left side and onto the floor. Once that drain hose was cleared (with a bendable straw), no more leak!
2/9/2019 11:12:17 PM • Sub-Zero 650 / O... • Answered on Feb 09, 2019
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What pressures should the refrigerator read.. 134a

Hi,
With refrigeration pressures that will vary greatly with the temperature.
When downn to proper cool temperatures the low will be around 10-15 and the high side 150 or so

heatman101
1/17/2019 4:46:43 AM • Sub-Zero 632 / S • Answered on Jan 17, 2019
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