An LG room air conditioner is a plug-in unit, and the plug and outlet carry a heavy load for hours on a hot Houston day. Most electrical heat problems start at the cord, not inside the unit.
What is not safe
- Extension cords and power strips. Most are not rated for a cooling unit that runs for hours. Plug directly into a wall outlet.
- A plug that is hot to the touch. Warmth that lasts after a cycle suggests a loose or worn connection.
- A loose outlet. If the plug wiggles or falls out, the outlet is worn.
- Damaged cord. Frays, cuts or a crushed section under furniture.
The test and reset buttons
Many room units have a plug with TEST and RESET buttons. If the unit does not start, press RESET once. If the plug trips again, do not keep pressing. A plug that will not reset is telling you something is wrong with the cord or the unit.
What to do
- Unplug the unit if the plug is hot or discolored.
- Use an outlet on its own circuit if the breaker trips when another device runs.
- Leave the cord uncovered, not under a rug or behind a heavy sofa.
Limits
A tripping breaker can mean the circuit is overloaded, the outlet is bad or the air conditioner has an internal problem. Those need different fixes. The wiring in the wall is a job for an electrician, and a ducted or mini-split system needs a licensed HVAC contractor. We repair the plug-in unit itself.
Before booking, note whether the plug trips on its own or only with other devices running.
Visit the room air conditioner repair page and confirm your address in the service area. Windows are three hours, the price is written first and our work has a 30-day warranty.