Refrigerator display shows E0 and cooling performance is erratic or intermittent.

Safety first: Unplug the refrigerator or switch off the dedicated circuit breaker before removing any panels.

Steps to check and correct:

• Power reset: Disconnect power for 5–10 minutes, then restore power to see if the E0 code clears. Temporary glitches can be cleared this way.
• Access the main control board: On most Magic Chef refrigerators, the main PCB is located behind a metal or plastic cover on the back of the unit near the compressor. Remove the rear access panel screws and gently pull off the cover.
• Inspect wiring harnesses: Look for loose or partially seated multi-pin connectors on the main control board. Firmly press each connector into place until fully seated. Check for any burnt, melted, or corroded pins.
• Check for visible board damage: Look for burnt spots, bulging capacitors, or cracked solder joints on the PCB. If present, the board is likely defective.
• Re-test: Reinstall the rear cover, restore power, and monitor the display. If E0 returns after a reset and wiring check, the main control board likely needs replacement.

When to stop: If you smell burning, see arcing, or are not comfortable working around electronics, stop and contact a qualified technician.