Air Con Broken Common Issues and Solutions

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A residential balcony with drying laundry, plants, and air conditioning units.
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Air con broken? Don't worry, it's a common issue.

A faulty thermostat is often the culprit behind a broken air con. This small component regulates the temperature, and if it's not working correctly, the air con won't either.

Dirty filters can also cause air con problems. In fact, a clogged filter can reduce airflow by up to 50%.

A refrigerant leak is another common issue that can cause air con failure. This is often due to a damaged or corroded copper tube.

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Troubleshooting a Broken AC

Extreme heat is a serious safety concern. Stay safe and contact a professional ASAP to repair or replace your broken AC system.

If you're experiencing a broken AC, the first step is to contact a professional HVAC service company. Advanced Heating and Cooling, located in the Treasure Valley region of Idaho, can help you schedule an appointment online.

A broken AC can be caused by a variety of factors, including a faulty thermostat or a refrigerant leak.

Fixing a broken AC is crucial, especially during extreme heat. Contact a professional ASAP to repair or replace your AC system.

Leaks and Blockages

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Leaks and Blockages are common issues that can cause your air conditioner to break down. A refrigerant leak is one of the most common problems, accounting for 90 percent of cases of low refrigerant levels.

Leaks can occur due to undercharging at installation or actual leaks in the system. To fix this, you need to hire a trained HVAC technician to find and repair the leak. They'll then test the repair and charge the system with the correct amount of refrigerant.

A dirty air filter can also cause your air conditioner to work harder than necessary, leading to reduced efficiency and potentially even system failure. Consumer Reports recommends changing filters once a month, especially if you have pets or run your air conditioning constantly.

Blocked airflow can also be a problem, caused by careless outdoor landscaping or neglect of lawn care. Shrubs and plants can obstruct airflow to the outdoor condenser unit, while lawn clippings and dirt kicked up by heavy rainfall can get caught in the unit's fins.

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Here are some tips to prevent leaks and blockages:

  • Allow 2 to 3 feet of space between the outside unit and any plants or backyard structures.
  • Keep the top of the unit 5 feet away from any trees that hang over it.
  • Change your air filter once a month.
  • Use a garden hose to remove dirt and debris from the outdoor unit's fins.
  • Check your system regularly to catch any issues before they become major problems.

Strange Issues

Strange noises in your air conditioning system are a clear indication that something's gone wrong. Loud sounds like metallic screeching, grinding, or banging are not normal and can be a sign of broken components, loose belts, or debris buildup.

A refrigerant leak is another common issue that can cause problems with your air conditioning system.

If you hear unusual noises, it's best to have it checked by a professional as soon as possible. This can help salvage the unit and prevent further damage.

Strange System Noises

Strange System Noises can be a real concern, especially if you're not sure what's causing them. If your air conditioning system is making loud noises like metallic screeching, grinding, or banging, it's likely due to a broken component, loose belt, or debris buildup.

These noises can be a sign that your system is on the verge of a major breakdown. I've seen it happen before, and it's never a good situation.

Here are some common causes of strange system noises:

If you hear these noises, it's essential to have your system checked by a professional as soon as possible. The longer you wait, the more damage you might incur.

Strange Smells

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Strange smells in your air conditioning system can be a real nuisance.

A foul odor from your conditioner is often a sign that the wire insulation has burned out.

Mold growing inside your unit or ductwork can also cause musty smells.

If you notice a strange smell, it's possible that a pest got stuck in your system and died.

You should clean up these issues as soon as possible to prevent further problems.

Mechanical Issues

Mechanical issues with your air con unit can be a real pain. A fan motor that's not working can prevent the outdoor unit from getting rid of heat.

The compressor, condenser coil, and another fan are all crucial components that can experience mechanical failure. If your compressor is damaged, the refrigerant can't circulate between the inside and outside units.

Any of these components can be expensive to replace, especially the compressor. In fact, replacing some of these parts may not be much cheaper than replacing the whole unit.

Here are some of the components that can experience mechanical failure:

  • Fan motor
  • Evaporator coil (cools the air)
  • Compressor (electric pump)
  • Condenser coil (transfers heat)
  • Expansion device

5: Mechanical Issues

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Mechanical issues with your air conditioning unit can be a real nuisance. Frequent on/off cycling and corrosion of wires and terminals can cause electric control failure, which is a common problem.

The fan motor, evaporator coil, compressor, condenser coil, and expansion device are all crucial components that can experience mechanical failure. If the motor on your fan is not working, the outdoor unit can't get rid of the heat.

The compressor, condenser coil, and expansion valve are all part of the refrigerant circulation system. If the compressor is damaged, the refrigerant can't circulate between the inside and outside units.

These mechanical failures can be costly to repair, especially if you need to replace the compressor. In fact, replacing some of these parts may not be much cheaper than replacing the whole unit.

Here are the five mechanical components that can fail and cause problems with your air conditioning unit:

  • Fan motor
  • Evaporator coil (cools the air)
  • Compressor (electric pump)
  • Condenser coil (transfers heat)
  • Expansion device

Furnace or Handler

Make sure the condensation drip pans and/or drain lines near your furnace or air handler are clear. A backed-up HVAC system drain line or indoor coil drip pan can trigger the safety float switch that shuts down your system to protect your home against possible flooding.

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The door panel on the furnace/air handler should be in place and secure. This allows the safety door switch to activate and prevent the unit from shutting down unnecessarily.

Dirty air filters can restrict air flow, causing your air conditioning and heating system to shut down or not work correctly. Your air filter should be replaced every one to three months, based on your system and air quality in your home.

The air intake grills and supply registers should be open and unobstructed. If your “cold air returns” are blocked by furniture or other obstructions, it can affect how well your AC system cools or heats your home.

If you have an older furnace with a pilot light, make sure it's lit. However, if you have an automatic ignition system, you don't need to worry about lighting the pilot light.

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Fixing the AC

Fixing the AC is a crucial step to stay safe in extreme heat. Handling air conditioning units can be risky, so it's best to put it in the hands of a professional.

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You'll find that the money you spend on repairs will be worthwhile once the problem is fixed. Advanced Heating and Cooling, an HVAC service company, recommends contacting them ASAP to repair or replace your broken AC system.

Extreme heat is indeed dangerous, making it essential to act quickly and get your AC fixed.

Fix Your Today!

Fix Your AC Today!

Don't risk your safety by trying to fix a broken AC unit yourself. Handling air conditioning units can be risky, so it's best to leave the repairs to an expert.

Extreme heat is no joke, and a broken AC can put you and your family in danger. Stay safe and contact a professional ASAP to repair or replace your broken AC system.

Your outdoor AC unit needs some space to breathe. Ensure a decent-sized berth around and on top of your outdoor unit, and keep it at least 2 to 3 feet away from any plants or backyard structures.

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Lawn clippings and dirt kicked up by heavy rainfall can clog your outdoor unit's fins. Use a garden hose to remove dirt and debris periodically, but avoid using a pressure washer.

A little maintenance can go a long way in keeping your AC running smoothly. Don't neglect your lawn care, and keep your outdoor unit clear of obstructions for optimal performance.

Choose Masters Heating & Cooling

Choosing a reliable heating and cooling service is crucial when your AC breaks down. Masters Heating & Cooling stands out for their licensed, insured, and NATE-certified technicians.

Their team of experts has the experience and knowledge to handle all brands of heating and cooling systems, thanks to their status as the only Carrier Factory Authorized Dealer in Northern Indiana.

Getting a quote from Masters Heating & Cooling is a hassle-free experience, with free estimates on replacement quotes.

Here are some benefits of choosing Masters Heating & Cooling:

  • Licensed, insured & NATE-certified technicians
  • The only Carrier Factory Authorized Dealer in Northern Indiana with experience servicing all brands
  • Free estimates on replacement quotes
  • Upfront pricing & financing options
  • Background-checked technicians
  • Military, veteran & senior discounts
  • Serving Fort Wayne & Decatur

Masters Heating & Cooling's commitment to transparency and customer satisfaction is evident in their upfront pricing and financing options.

Frequently Asked Questions

Is a broken AC considered an emergency?

A broken AC is considered an emergency if it poses a risk to indoor safety or causes significant damage to the system. If you're experiencing a critical AC issue, seek immediate attention to prevent further problems.

Seth Meier

Senior Writer

Seth Meier is an experienced writer who has a passion for technology and innovation. He has worked in the tech industry for over a decade and has developed a deep understanding of emerging trends and disruptive technologies. As a blogger, Seth focuses on providing valuable insights and analysis on various topics related to technology, entrepreneurship, and digital marketing.

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