Keeping your Sub-Zero Condenser Clean

Sub-Zero Vacuum Condenser

Before I start this article I must disclose that there are many reasons your Sub-Zero may be blinking Vacuum Condenser. I am going to go over the most basic reason. Sub-Zero refrigerators in residential setting collect dust on their condensers. What is a refrigeration Condenser ?

From Wikipedia – A condenser is a “devise or unit used to condense a substance from its gaseous to its liquid state, typically by cooling it .In so doing, the latent heat is given up by the substance, and will transfer to the condenser coolant. Condensers are typically heat exchangers which have various designs and come in many sizes ranging from rather small (hand-held) to very large industrial-scale units used in plant processes. For example, a refrigerator uses a condenser to get rid of heat extracted from the interior of the unit to the outside air.”

In short, a condenser is used to exchange heat and change the state of the gas. Certain things can impede this process, like DUST and GREASE! When a condenser is dirty, clogged or restricting the airflow through the coil, the Sub-Zero becomes Inefficient. Inefficiencies cause extended run periods and hot compressor motors. Thus, you Sub-Zero CPU board tell you that you must Vacuum your condenser to improve your refrigerators efficiency.

Check out this Youtube Video by the Appliantologist on how to properly wow to properly vacuum your refrigerators condenser. Please note that your condenser is not always located at the top of your Sub-Zero but the bottom.

Going Further

Condensers clog in most refrigerators eventually, big and small. Here are some tips to keep your condenser cleaner than if you were to just vacuum it.

  • Use keyboard cleaner on your Sub-Zero coil, the spray keyboard cleaner that is pressurized. Spray the coils and watch dust fly everywhere. The more that comes out the better.
  • Use a wire brush from Home Depot.
  • Go even further and buy this refrigeration cool clean from Refrigitech! (not really necessary)

Condenser Fan Motor:

Via the appliantologist website- The other common cause for this problem is a bad condenser fan motor. If the condenser fan motor in your Sub-Zero is burned out, you can buy the replacement motor here:

You will Know your fan is not working because it will be hot hot hot!

We specialize in Sub-Zero repair in New Jersey and New York. Counties we service include Bergen, Morris, Essex, Somerset, Monmouth and Hudson Counties. In New York we service Rockland and Westchester. If you need any help, give us a call today and get your Sub-Zero serviced by professionals. If you are on  mobile  click the picture below to call.


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Posted in condenser, Sub Zero Repair Tips, Sub Zero Vacuum Condensor