![]() If you have an AC not blowing cold air, try the following steps to see if there’s something keeping your air conditioner from performing its best. We can’t say exactly how much difference in temperature there should be, since that depends on the unit’s size and your actual air temperature, but it should blow cold air. Usually it’ll take 60-90 seconds after you power up the unit.Ĭheck the temperature of air flowing out of the top of the unit and the air flowing into the evaporator coil behind the top filter grill at the back. If your air conditioner turns on, but isn’t performing as expected, here are some steps to take to troubleshoot poor performance.Īfter you’ve made sure that the mode is set for cooling (not the “dry” or “fan” setting), wait for the compressor to kick on. Other faults conditions: If you see another error code on a display, hear warning beeps or if the fans don’t spin when the machine turns on, you’ll need to check your manual or call your air conditioner manufacturer for more specific troubleshooting.You could hold the unit over a bathtub or toilet while you get someone else to open the bottom drain plug, but be careful, Portable ACs are heavy! You’ll need to wheel the air conditioner somewhere you can drain out the water, like a patio lawn. If your AC shuts off suddenly and flashes or beeps, this is usually the cause. A full water tank: There is almost always a warning indicator to tell you that the internal tank is full.Fan obstruction: Check the fan grilles for obstruction, and shine a flashlight into the openings to see if anything is stopping the fans from moving.Also realize that the system will typically wait a few minutes after powering up before starting the cooling cycle, especially if it’s already been running. Mode setting: Most air conditioners have at least three settings: “Cool,” “Fan,” and “Dry.” Make sure your AC is set to “Cool” mode, and turn the air conditioner thermostat down below room temperature to make sure the system will activate.If you don’t have power to the outlet, make sure a wall switch isn’t turned off, and then check the breakers in your household electrical panel. If the unit still won’t power up, make sure there’s power to the outlet - a night light or reading lamp can help with this step.There should be a test and reset button for a built-in breaker: press the “test” button to trip the breaker, then push firmly on the reset button and try to turn the air conditioner on again. ![]()
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