LG Air Conditioner Overload Protector - EAF34140210

Protect your system’s most valuable component with the LG EAF34140210 Air Conditioner Overload Protector. This critical safety device serves as a guardian for the compressor, designed to automatically break the electrical circuit if it detects excessive current draw or abnormally high temperatures. By cutting power during a mechanical jam or electrical surge, it prevents the compressor motor windings from overheating and burning out. If your air conditioner's fan is running but the compressor refuses to start, or if the unit shuts down shortly after the cooling cycle begins, a tripped or faulty overload protector is often the primary cause.

The EAF34140210 is built with a high-precision bimetallic strip that responds instantly to thermal and electrical stress. Encased in a heat-resistant, phenolic housing, it is engineered to withstand the harsh environment of the compressor terminal box. Its "auto-reset" functionality allows the system to attempt a restart once temperatures have returned to safe levels, providing both protection and convenience.

1. Safety First: Completely power down the air conditioner at the circuit breaker and the outdoor disconnect box. Capacitors may hold a charge; handle with caution.
2. Access the Compressor Terminals: Remove the service panels of the outdoor unit and locate the small plastic or metal terminal cover on the side of the compressor.
3. Identify the Overload: The EAF34140210 is typically a small, circular or rectangular component wired in series with the "Common" (C) terminal of the compressor.
4. Disconnect the Wiring: Carefully pull the female spade connectors off the protector. Note the wiring positions to ensure the new part is connected identically.
5. Swap the Component: Remove the old protector from its mounting clip or bracket and snap the new EAF34140210 into place.
6. Secure and Reassemble: Reconnect the wires firmly. Replace the compressor terminal cover and the unit’s service panels.
7. Test the Unit: Restore power and set the thermostat to "Cool." Listen for the compressor to engage smoothly without immediate tripping.

1. AC Compressor Thermal Overload – Part Number: EAF34140210
2. Essential Motor Protection: Prevents catastrophic compressor failure by interrupting power during over-current events.
3. Bimetallic Sensing Technology: Provides reliable, repeatable response to both heat and electrical load.
4. Heavy-Duty Construction: Heat-stabilized housing designed for the high-temperature environment of an active compressor.
5. Direct OEM Fit: Features the exact electrical ratings and mounting footprint for select LG models.
6. OEM-Quality Part: A genuine LG replacement component ensuring the safety and longevity of your air conditioning system.