If the air handler doesn't blow air properly, the indoor evaporator coil may be dirty or frozen up. Reduced air flow, whether caused by dirty filters, a dirty coil, dirty squirrel cage blower, or a broken fan motor can cause the coil to freeze up, blocking air flow.Also question is, how do I reset my air conditioning unit?
Here are the steps you need to take to reset your AC thermostat.
- Shut Down Your AC at the Thermostat. The first step in resetting your AC thermostat is to turn it off at the AC unit.
- Find Your Circuit Breaker Box.
- Reset the Circuit Breaker for Your AC Unit.
- Wait 30 Seconds.
- Turn the AC Thermostat Back On.
Furthermore, why will my air conditioner not turn on? The AC unit won't turn on Usually when the outdoor unit doesn't turn on, it is because the circuit breaker has been tripped. When this happens, you can easily reset it after locating the circuit breaker panel. If you find that the AC unit still does not work, the next probable cause is the thermostat.
Also question is, how do I fix my central air conditioner?
The Issue: Your A/C Turns On But Isn't Cooling
- Check the thermostat to make sure it's working properly.
- Take a look at the condenser to see if it's dirty or blocked.
- Clean and/or change your filter (We recommend once a quarter.)
- See if any ice has formed on the coils.
- Check and/or clean the outdoor compressor.
Do all AC units have a reset button?
Find the Reset Button – Many air conditioning units will have a reset button on them. The button is usually red in color and fairly small in size. It should be marked clearly as a reset button. You can consult the instructions manual to determine if your air conditioning unit has that button, and find its location.
Why is my air conditioner running but not cooling the house?
Clean the HVAC Interior Next, clean out the condenser, evaporator, filters and coil. If these are dirty and clogged by debris, air flow within your unit may be restricted, which can severely affect the efficiency of your unit as a whole.How do I turn on my central air conditioner?
Step 1: Check the thermostat Make sure that your thermostat is set to "cool" and not "heat" (if it's set to heat, your AC won't turn on no matter what). Turn the temperature setting 5 degrees below the current temperature to see if your AC will turn on.Can I run my AC without a filter for one night?
Here's our professional answer: Running the AC without a filter just for one night won't hurt your AC system, but it sure won't help it either. Note: Running the AC any longer than a night without a filter risks serious damage and poor indoor air quality.Can a dirty filter cause AC not to work?
A dirty air filter restricts the flow of cold air, causing it to build up inside the air conditioner and lower the internal temperature. Uneven Cooling: Even if it's not enough to cause freezing, that restricted airflow isn't good for your air conditioner's cooling power. 
