1. AC Won’t Turn On
There can be a couple of explanations why your air conditioner won’t run: a triggered circuit breaker, incorrect thermostat settings, a turned off switch or a full condensate drain pan.
Overloaded Circuit Breaker
Your AC won’t start when you have a tripped breaker.
To find out if one has gotten overloaded, locate your house’s main electrical panel. You can locate this silver device on the wall in the basement, garage or closet.
- Confirm your hands and feet aren’t wet before you work on the panel or breakers.
- Find the breaker labeled “AC” and ensure it’s in the “on” location. If it’s overloaded, the lever will be in the middle or “off” spot.
- Steadily shift the lever back to the “on” spot. If it instantly trips again, don’t touch it and get in touch with us at 540-369-3790. A breaker that keeps flipping may indicate your residence has electrical trouble.
Incorrect Thermostat Settings
If your thermostat isn’t signaling your system to run, it won’t switch on.
The key step is checking it’s switched to “cool” and not “heat.” Otherwise your air conditioning will probably not start running. Or you may have heated air blowing from vents since the furnace is going instead.
If you’re using a digital thermostat:
- Put in new batteries if the monitor is empty. If the readout is presenting jumbled numbers, buy a new thermostat.
- Check the correct mode is on the display. If you can’t update it, override it by dropping the temperature and pushing the “hold” button. This will cause your AC to run if the configuration is incorrect.
- Try setting the thermostat 5 degrees below the room’s temperature. Your AC won’t work if the thermostat is identical to the room’s temperature.
Once your thermostat is calibrated correctly, you should start getting cold air promptly.
If you rely on a smart thermostat, like one manufactured by Nest, Ecobee, Lux, Honeywell or Bosch, look at the manufacturer’s website for help. If you’re still having problems, call us at 540-369-3790 for help.
Your system usually has a power-cutting switch by its outdoor unit. This lever is typically in a metal box hung on your residence. If your equipment has recently been serviced, the device may have accidentally been positioned in the “off” position.
Clogged Condensate Drain Pan
Condensate drain pans keep the additional water your air conditioner removes from the air. This pan is located either below or within your furnace or air handler.
When there’s an obstruction or backed up drain, water can accumulate and prompt a safety feature to switch off your air conditioner.
If your pan has a PVC pipe or drain, you can clear the additional liquid with a formulated pan-cleaning tab. You can purchase these tabs at a home improvement or hardware retailer.
If your pan includes a pump, look for the float switch. If the mechanism is “up” and there’s water in the pan, you may need to get a new pump. Call us at 540-369-3790 for support.
2. AC Blows Warm Air
If your system is running but not cooling, its airflow may be obstructed. Or it may not have sufficient refrigerant.
Your equipment’s airflow can be restricted by a blocked air filter or filthy condenser.
How to Put in a New Your Air Filter
A dirty filter can create a lot of issues, including:
- Lower comfort
- Frosted refrigerant lines or evaporator coil
- Intermittent cooling
- Larger energy bills
- Leading your system to wear out more quickly
We propose replacing flat filters every four weeks, and accordion filters every three months.
If you can’t remember when you last replaced yours, switch off your system fully and pull out the filter. You can locate the filter in your furnace or air pump’s blower compartment. It may also be situated in an adjoining filter box or wall-mounted return air grille.
Angle the filter up to your light fixture. If you can’t see any light, you should replace it.
How to Clean Your Air Conditioning Unit
Weeds, plants and bushes can get in the way of your condensing equipment. This could limit its airflow, lower its energy efficiency and change your comfort. Here’s how you can get your system running smoothly again.
- Turn off the electrical current totally at the breaker or outside device.
- Get rid of yard rubbish around the unit. Once you’ve gotten rid of bigger refuse within a two-foot area, you can use a paint brush or vacuum to slowly remove dirt from the condenser fins. Deformed fins can also impact performance, so you can attempt to straighten them with a blunt knife.
- Remove the upper grate of your system and remove any leaves or sticks that has accumulated. Then clean the condenser fan with a damp scrap cloth.
- Use a hose nozzle to slowly clean the fins from inside the equipment. Be careful to avoid getting liquid on the fan motor.
- Replace the top and turn the power back on.
When cooling equipment doesn’t have ample refrigerant, they’ll have difficulty removing heat and humidity from your home.
Here are several symptoms that your system is losing refrigerant:
- It takes a long time to cool your rooms and you’re continually turning down the thermostat.
- Cooling coming through the vents isn’t as cold as it should be.
- You’re hearing whistling or gurgling sounds when the AC runs.
- Your evaporator coil is icy due to having difficulty absorbing heat.
Worried your system is seeping refrigerant? You need a certified heating and cooling service specialist to repair the leak and refill the proper measurement of refrigerant in your equipment. Call us at 540-369-3790 for assistance.
3. AC Not Blowing Enough Air
When it appears like you’re not receiving enough cool air, there’s possibly an obstruction or detachment somewhere in your AC equipment.
- The beginning step is checking your air filter. Get a new one if it’s soiled.
- Then make sure the ductwork is free throughout your house.
- If you’re still not getting sufficient chilled air, you should have your ductwork examined by a specialist like Davis Heating & Air Conditioning. Your ducts may need to be serviced or relinked in limited space locations like your attic, basement or crawl space.