Carrier Error Codes & Troubleshooting

Power cycle system completely.

Check connections. Clean sensor.

Check electrical supply. Verify power.

Check motor power and bearings.

Professional leak detection service.

Shut down. Check all components.

Clean and check wiring.

Verify power supply connections.

Professional evacuation immediately.

Allow cooling. Check conditions.

Check cable connections.

Replace with correct filter size.

Clear drain immediately.

Check outdoor ice buildup.

Set correct mode for season.

Refrigeration technician required.

Check breaker and wiring.

Manual defrost or COOL mode.

Replace batteries. Check signal.

Professional inspection needed.