Samsung Air Conditioner Error Code OUTDOOR_YELLOW_RED_FLICKER

This error code indicates a compressor starting error on the outdoor unit. The outdoor unit's LED flickers between yellow and red to signal that the compressor failed to start or complete its startup sequence. The most common causes include closed service valves, loose TAB terminal connections, or a malfunctioning electronic expansion valve motor.

No. When this error is active, the compressor is not running, meaning the system is not providing cooling. Repeatedly attempting to force the unit to start with an underlying fault can cause additional damage to the compressor or electrical components. The system should remain off until the root cause is diagnosed and corrected.

Repair costs depend heavily on the root cause. Fixing a loose terminal connection or opening a service valve may cost only the price of a service call, typically in the range of $75 to $150. Replacing an EEV motor can run $150 to $400 including parts and labor. Compressor replacement is the most expensive outcome, often ranging from $800 to $2,000 or more depending on the unit size and refrigerant type.

Some causes of this error, such as a service valve left partially closed after previous service work, can be corrected without specialized tools. However, diagnosing EEV motor faults, compressor winding failures, or refrigerant pressure issues requires gauges, multimeters, and in many cases an EPA Section 608 certification to handle refrigerants. If you are not a trained technician, it is safest to have a qualified HVAC technician inspect the unit.

A power reset may temporarily clear the error display, but if the underlying fault, such as a closed service valve, faulty EEV motor, or damaged compressor terminal, has not been resolved, the error will return as soon as the unit attempts to start the compressor again. A reset is useful for confirming whether the fault is intermittent, but it is not a repair.