Frigidaire side by side Freezer and Fridge not cooling

Frigidaire side by side Freezer and Fridge not cooling My Frigidaire Freezer (high end 12 years old) isn’t cooling. Fridge is 45 (should be 38), Freezer is 41 (should be waay cooler than 32) measured by thermocouple on my multi-meter. The freezer fan is coming on. The condenser coil fan is coming on when needed. The compressor comes on, however it only stays on for a few seconds, then shuts off. It won’t keep going…