20 Most Recent Viking Professional VCBB363 Bottom Freezer Refrigerator Questions & Answers

no such thing as unrepairable
if coils behind fc panel were snowed over solid most likely need defrost limiter about an 80 part
take grill off up top
two Phillips screws hold white plastic panel that user interface is on
wiring , programing service manual in envelope attached to back side of panel

Viking... | Answered on Nov 03, 2017

Look inside freezer on the rear wall to look to see if there is frost buildup. If yes then unplug and manually defrost defrost for about 3 hours if you only open freezer or place hot water in a bucket and place inside freezer and close the door. Let me know by answering my post here, Thanks John T.Appliance 911
click below for parts breakdown
I have a feeling the problem could be 1 of three things=> WR9X520 Defrost Timer, WR51X465 Defrost Heater or the WR50X0131Defrost Thermostat

Viking... | Answered on May 29, 2015

There are a few reasons why the refrigerator part will not cool...here are a couple of tips that will help you to figure out why the refrigerantor is not cooling...

Refrigerator2_bing.gif not Cooling or Fridge not Cooling

How to Defrost Refrigerator Defrost Timer Problem


Viking... | Answered on Apr 10, 2014

The switch which detects whether the door is open may be malfunctioning or the control unit to which the switch is connected is faulty. If there is only one switch it may be the same switch which puts the light on as you open the door.Does the light come on when the door is open? If so the switch if there is only one, is probably ok but the control unit is faulty.Look around the edge of the door frame for switches and check they are not stuck or damaged. I hope I have been of help but please do not hesitate to ask if you have any further questions.

Viking... | Answered on Feb 05, 2013


Please check this link and the related article to have an idea to resolve your problem…


Unblock the drain line behind the freezer panel underneath the silver evaporator coils. To remove the ice, use a hair dryer. It works well and prevents piercing a hole in the evaporator. The cooling element (evaporator) is located behind the rear panel of the freezer. Although frost-free, frost will develop and accumulate on the evaporator. To remove this, the evaporator has a heating element attached which is automatically switched on using set parameters within the control board. Once the ice has melted, the water produced should run down a drain tube (again, behind panel) into a tray located above the compressor where it is evaporated away by the heat from the compressor. The defrost circuit and heater appear to be working, but the drain tube is likely blocked, hence water in bottom of freezer (which will freeze and stick the lower basket to it!). The drain could be: A) Blocked with crud (dust/mould, grease etc.)
B) blocked with ice due to either just bad luck or failure of the drain heater located where you can't see it inside the freezer liner. An after-market drain heater and modified evaporator heater are available along with an additional wiring loom to allow fitting the self-adhesive drain heater.

Also check this link bellow if it helps…

Let us know if you have something more to know else accept the suggestion.

Thank You for contacting Fixya.com

Viking... | Answered on Oct 01, 2012

Hi, you definitely have a bad evaporator fan from the explanation you gave and all you need do to make the refrigerator cool is to replace the evaporator fan...

Viking... | Answered on Nov 15, 2010

It is usually will be located at the back side of your refrigerator at the bottom or at the middle side like this.

Click here for manual



Viking... | Answered on Sep 15, 2010

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