At 32 degrees or lower your system is too cold. You need to get your liquid temp set to at least 34 degrees and then tap your keg. Your next action should be to raise the temp on your system a hair and then go to the nearest cooking store and get you an instant read digital thermomiter...
Semper Fi,
The Gunns
"Beer is proof that god loves us and wants us to be happy" - Benjamin Franklin
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