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Tyler Z.
Tyler Z., Appliance Doc
Category: Appliance
Satisfied Customers: 74265
Experience:  9+ years being an appliance technician with factory training.
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I have a sub zero 2002: model 642/F. Mechanic said

Customer Question

Hello, i have a sub zero 2002: model 642/F. Mechanic said that i need
a new board. The unit has just stopped cooling and there is no digital
display of the temperature inside of the unit.
i) how many boards are there?
ii) Is it difficult to replace?
The house is subject to a lot of power failures in the neighborhood.
Thank you,
Henry
Submitted: 1 year ago.
Category: Appliance
Expert:  Tyler Z. replied 1 year ago.
Hello, and thank you for using this service. I'll be helping you with your problem today. First, there is only one main board and it's part number(###) ###-#### It does sound like the unit will need a new board if the unit completely stopped cooling and you have no display board. The location of the control board will be up above the refrigerator in a plastic box cover and it's all plug and play so it should be easy to replace. We are on the honor system here. Please remember to rate my service before you leave today. If you need anything else, just let me know. You can continue asking follow-up questions at no additional charge after rating my service if you still need assistance.