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do96876  
#1 Posted : Monday, May 28, 2012 5:11:27 PM(UTC)
do96876

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Joined: 5/28/2012(UTC)
Posts: 1

I have a Sub Zero 900 and both of the freezer compressor lines (insulated and non-insulated) lines are frosting over and dripping condensate down into the unit (Never did this for the first 15 years we've had it). Freezer temp is -10F even on the lowest setting. Is the refrigerant over/under charged? The condenser coils are clean.
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richappy  
#2 Posted : Tuesday, May 29, 2012 3:13:36 AM(UTC)
richappy

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The compressor low side tubing frost line will back up into the compressor if it is overcharged, evaporator fan not running, or evaporator frosted over.
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