Samsung Air Conditioner Error Code TIMER_TURBO_FLICKER

TIMER_TURBO_FLICKER indicates an abnormal communication error between the indoor and outdoor units of the Samsung air conditioner system. The two units rely on a wired signal connection to exchange data and control commands, and this code appears when that connection fails. The Timer and Turbo indicator lights flicker simultaneously to alert users to the fault. The issue originates in the communication cable or the PCBs at either unit.

The system will generally shut itself down when this communication error is active, preventing normal operation. You should not attempt to bypass or force operation while this fault is present, as the lack of communication between units can lead to uncontrolled operation or component damage. Address the underlying wiring or PCB issue before resuming use.

Repair costs vary depending on the cause. If the issue is limited to a loose connection or minor wiring repair, costs may be relatively low, typically in the range of $75 to $200 for a service call and labor. If the communication cable needs full replacement, costs may rise to the $150 to $400 range depending on the installation. PCB replacement is the most expensive scenario, often falling between $250 and $650 or more for parts and labor depending on the unit model and which board requires replacement.

Start by inspecting the communication cable and terminal connections at N(1), 1, and 2 on both the indoor and outdoor units. Check for loose connections, visible wire damage, or corrosion and address any issues found. If the wiring is intact and properly connected, the next step is evaluating the PCB on each unit for signs of damage or failure. PCB replacement typically requires a qualified technician.

A power reset may temporarily clear the error code, but if the underlying communication fault is still present, the error will return shortly after the unit attempts to restart. Resetting without repairing the root cause is not a lasting solution. The wiring, terminal connections, and PCBs need to be inspected and repaired to resolve the fault permanently.