Why is my AC fan not turning off in my car?
The most common reason that your Air Conditioner fan won’t turn off is because a stuck relay keeping the circuit closed. Double-check the thermostat and make sure the fan is not set to ON, and that it still runs when switching it to AUTO or OFF (if your thermostat has an OFF setting).
Why does my fan come on when I start my car?
The job of the radiator is to keep the coolant at the right temperature so that when it travels back to the engine, it is able to take on more heat, and prevent the engine from getting too hot. This is a reason why the radiator fan turns on when the car starts.
Why does my car fan stay on when I Turn Off the ignition?
The climate system awakening and doing temp measurements allows it to have a had start on it mode and fan speed. If it is very quiet and you enter car close doors and listen you can hear the fan usually. OH #2: The engine cooling fan has conditions where it stays on when you turn off the ignition.
Why does my AC fan keep failing to start?
If you leave the unit running, the fan motor will keep attempting and failing to start. The capacitor may also be used to keep the fan motor running properly as well as starting it.
Why does my air conditioner keep running when the thermostat is off?
Usually when the relay switch is broken, the fan will continue to run by itself. This happens because there’s no communication between the thermostat and the blower fan. Now, if it’s a short circuit, both the ‘ on ’ and ‘ off ’ commands you enter typically won’t get sent to the blower fan. As a result, the blower fan will continue to run.
Why is my blower on when I Turn Off the ignition?
If your blower for interior is on immediately after you turn off ignition THEN WORRY. This would be the symptom that does kill the battery. The transistorized fan speed controller can fail and run blower until battery is dead.