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

Safety first: Unplug the Crosley refrigerator from the wall outlet before removing any panels. Use insulated tools and avoid touching live circuits.

Steps to check and correct:

• Power reset: Unplug the refrigerator for 5 minutes, then plug it back in. This can clear a temporary logic fault.
• Access the main control board: On most Crosley top-freezer and side-by-side models, the main control board is behind a metal or plastic cover on the rear of the cabinet. Remove the rear access panel screws and gently pull off the cover.
• Inspect wiring harnesses: Check the multi-pin connectors going into the main control board. Look for loose plugs, bent pins, or signs of heat damage. Reseat each connector firmly.
• Check for corrosion or moisture: If you see green/white corrosion on pins, disconnect power, clean gently with electrical contact cleaner and a soft brush, then reconnect when dry.
• Visual board inspection: Look for burnt spots, bulging capacitors, or cracked solder joints on the control board.
• Test operation: Reinstall the rear cover, plug the unit back in, and monitor if the E0 code returns. If it does, the main control board is likely defective.

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