Uploaded June 2026 | Updated September 2026, 3 weeks ago

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Samsung fridge not defrosting or throwing weird error codes? Grab your multimeter and I’ll show you step‑by‑step how to test the defrost circuit and swap the main control board yourself.

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⏱️ CHAPTERS:
0:00 Samsung fridge defrost problem overview
0:18 Tools needed & safety first
0:34 Accessing the main control panel
0:55 Testing the defrost sensor with a multimeter
1:45 Confirming a failed main control
2:00 Removing the old main control board
2:25 Installing the new main control board
2:55 Reassembly & restoring power

🔧 Tools mentioned: multimeter, phillips screwdriver, flathead screwdriver
📚 New to multimeters? Watch our Multimeter Masterclass: youtube.com/watch?v=8p0uj2tnDlg

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