Restore precise temperature regulation and energy-efficient performance to your cooling system with the LG Air Conditioner NTC Thermistor (EBG61406003). Serving as a highly sensitive temperature sensor, this critical component continuously monitors the temperature of the room air or the internal refrigerant pipes, sending real-time data back to the main control board. If your air conditioner is cooling erratically, freezing up, running continuously without reaching the set temperature, or displaying specific sensor-related error codes, a faulty or shorted thermistor is often the root cause.

Engineered with advanced Negative Temperature Coefficient (NTC) technology, the EBG61406003 provides rapid and highly accurate resistance changes in response to temperature fluctuations. This instantaneous feedback ensures your compressor and fan motors cycle on and off exactly when needed, optimizing your indoor comfort while protecting the system from overworking and wasting electricity.

1. Safety First: Completely turn off the air conditioner and unplug it from the wall outlet, or shut off the dedicated circuit breaker to avoid electrical shock.
2. Access the Sensor Location: Open the front intake grille and remove the air filters. Depending on its specific function within your model (room temperature vs. pipe temperature), the thermistor will either be clipped near the front evaporator fins or inserted into a small copper sleeve on the side of the coil.
3. Trace the Wiring: Follow the delicate wires from the sensor bulb back to the main electrical control box (PCB). You may need to remove the control box cover to access the terminal connection.
4. Disconnect the Faulty Sensor: Carefully unplug the plastic connector of the old thermistor from the main control board. Unclip the sensor bulb from its mounting position on the coil.
5. Install the New Thermistor: Secure the bulb of the new EBG61406003 thermistor into the exact same copper sleeve or mounting clip. Route the wire safely alongside the original path and plug the connector firmly into the designated port on the PCB.
6. Reassemble and Test: Reattach the control box cover, replace the air filters, and close the front grille. Restore power to the unit and test the cooling cycle to verify accurate temperature control and the clearing of any error codes.
7. Compatible with select LG air conditioner models, this OEM-quality thermistor ensures seamless electrical communication and restores factory-standard climate control to your appliance.

1. AC NTC Thermistor / Temperature Sensor – Part number EBG61406003
2. Precise Climate Control – Continuously monitors air or coil temperatures to accurately regulate cooling cycles
3. Resolves Erratic Behavior – Fixes issues like short-cycling, continuous running, and evaporator coil freezing
4. Clears System Error Codes – Replaces failed sensors that trigger main board communication faults
5. High Thermal Sensitivity – NTC technology provides instantaneous and accurate temperature feedback
6. Genuine OEM Part – Designed for perfect electrical compatibility and easy plug-and-play installation on LG units