Does turning on the AC fan on waste electricity?
Essentially, the fan being on when the AC is not in use will result in blowing hot air through the house. This, in turn, means the AC will kick on more often and work harder to cool the air. In short, leaving the fan on during certain seasons is going to do more harm than good for both your comfort and energy bill.
How do you reset an AC fan switch?
Turning Off & Resetting Your AC Unit in 4 Simple Steps
- Shut it Off. First, turn off your AC before resetting the thermostat.
- Get to the Circuit Breaker. So far, so good.
- Wait 30 Seconds. After turning off the circuit breaker linked to the AC unit, wait for a full minute.
- Turn it Back On.
Why does my AC fan run after I Turn Off the AC?
Your AC fan continues to run after your AC is off. Your AC fan doesn’t turn on at all. There are rattling noises coming from your condenser. If you notice any of these issues, you should turn your AC off and have it inspected by an HVAC technician right away.
What to do if your a / C switch is not working?
If there is no voltage to the sensors, then the a/c switch would need to be replaced. The cooling fans and condenser fans either are not coming on from a loss of power or the motors are burned up. First check the cooling fan circuit. If there is no power to the cooling fan, then check the fuses and see if they are burned.
When to replace the a / C switch on a condenser fan?
If there is power to the motors on the cooling fan, then the fan motor is burned up and needs replaced. For the condenser fan, if there is no power to the fan, then check the fuses for any of them burned. If the fuses are good, then the a/c switch would need to be replaced.
Can a radiator fan be turned on when the a / C is on?
Yes, the fan will come on when you turn the A/C on, so that proves the fan works. Leave the A/C off for the rest of the test. Start your vehicle, and let it idle for 10-15 minutes. Depending on the ambient temperature in your location, this should be long enough for the coolant temp to get hot and the thermostat to open up.