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Why is my air handler constantly running?
Within your air handler, the blower motor is controlled by a relay. Malfunctions with this relay are known to make a fan run continuously. If your heat pump fan runs continuously, a bad relay switch is a possible cause.
Why is my air handler not turning off?
The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. If it’s not the relay, your thermostat likely has a shorted cable or needs to be replaced.
Why does my HVAC fan run all the time?
When your thermostat is set to AUTO, your furnace fan should blow only when your furnace is in the middle of a heating cycle. But if your fan runs constantly, regardless of whether your furnace is heating, that’s not normal. There’s a shorted thermostat wire. There’s a shorted wire at the fan limit switch.
Should AC run all the time?
Your Air Conditioner Should Run More than Normal When… The warmer the temperature is outside, the longer your AC will run to get your home to your desired temperature. Longer runs times are good in these conditions: it means your air conditioner is working the way it should.
Why does AC keep run after it reaches the temperature?
When the refrigerant level is low, the AC may keep running to maintain a cooler temperature. This often occurs when there are leaks present in the system, typically the evaporator coil. This can cause the AC to work harder to keep the place cool, along with other issues.
Should the HVAC fan run all the time?
Keeping your fan on AUTO is the most energy-efficient option. The fan only runs when the system is on and not continuously. There is better dehumidification in your home during the summer months. When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside.
Why is my air handler fan not turning off?
Air Handler Blower FAN WON’T TURN OFF! 5 Reasons Why it Keeps Running! If playback doesn’t begin shortly, try restarting your device.
Why does the fan keep running on my air conditioner?
When the fan is switched to the “on” position, it will run continuously. It should be set to the “auto” position, so it only runs when the air conditioner is running. AC is too small for the property or can’t keep up with extreme temperatures.
Why does my air handler have condensation in it?
Hot, humid air mixes with the cold internal air of the air handler by the cold metal of the unit causing condensation. Add more air flow around the air handler by adding vents or a physical fan.
What are the dangers of running an air conditioner too often?
The more often your air conditioner runs, the more energy it will consume and the higher your utility bills will be. The second problem is that it will put a lot of stress on your system and its components, which can lead to breakdowns and the need for repairs.