Samsung · Air Conditioning
This error indicates that there might be a blockage in the outdoor unit's valve, leading to unusually high pressure within the system. This can affect cooling or heating performance.
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Turn off the air conditioner at the main power switch or circuit breaker and wait 30 seconds.
Ensure that the outdoor unit is clear of any debris, leaves, or obstructions that might be impeding airflow around the unit.
Turn the power back on.
If the error returns, contact customer support, as a technician will need to inspect the valves and refrigerant lines.