Samsung · Ducted Outdoor Units
The outdoor unit's PCB LED displays E416 when the compressor's discharge temperature becomes excessively high, triggering a safety shutdown to prevent damage. This usually indicates system stress.
Click steps to track your progress.
Ensure the outdoor unit's condenser coils are clean and free of any debris or obstructions that could restrict airflow.
Check and clean the air filters in all indoor units to ensure proper air circulation.
Turn off the main power to the outdoor unit at the circuit breaker for 30 minutes to allow the compressor to cool down.
Restore power and attempt to restart the system. If the error persists, contact a qualified technician to check refrigerant levels and compressor operation.