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Quick And Easy Steps To Fix A Bryant AC Thermal Lockout

Quick And Easy Steps To Fix A Bryant AC Thermal Lockout

In the HVAC industry, your Bryant air conditioner is only one of many gems. The majority of their most recent models contain sensors that can identify different system faults as they occur. This also includes thermal lockout.

You could be wondering at this point how to solve the issue or even what is causing it to manifest.

This problem is typically caused by a bad capacitor in the compressor or furnace. To determine whether the capacitor has to be replaced in order to resolve this problem, you may need to inspect it.

Your Bryant air conditioner’s underlying problems or mistakes serve as a preventative warning. For it to continue operating at its best, immediate action is required.

What Does A Lockout At Bryant Thermal Mean?

Eventually, when having your Bryant air conditioner serviced, a thermal lockout will happen. In your Bryant air conditioner system, thermal lockouts come in two different varieties.

This involves a thermal lockout that is low/high or high/low in stages. Simply said, it puts your AC system into a 4-hour sleep mode. This occurs if the system senses a power shortage three times in a row while it is operating.

You can’t use your Bryant air conditioner throughout this process until it has enough electricity to function once more. Additionally, your thermostat or furnace will display an error code of 81 or 82 when thermal lockout occurs.

What Leads To A Thermal Lockout In A Bryant AC?

For your Bryant air conditioner to continue to function properly, it needs 24 volts of power. The capacitor must be in good shape because it controls the optimal electricity in your air conditioning system.

Otherwise, until the system is not receiving enough 24 volt power, it will remain in thermal lockout mode. Running your cooling system while a capacitor is malfunctioning causes the system’s sensor to lock out.

Therefore, the only way to permanently fix this issue is to replace your faulty capacitor.

How Do I Change A Capacitor In An Air Conditioner?

Quick And Easy Steps To Fix A Bryant AC Thermal Lockout

An air conditioner’s capacitor is simple to swap out. However, when an AC unit is having problems, some consumers aren’t proactive enough to take the appropriate action.

However, the replacement must be made right away to avoid harming the other parts of your AC system.

Start by taking the following actions:

  1. Make that the power source for the AC unit is completely turned OFF.
  2. To reach the capacitor properly, remove the outdoor unit door.
  3. Make a sign on each wire before removing the defective capacitor.
  4. Discharge the defective capacitor with caution.
  5. Find the identical model of capacitor in the hardware store that is closest to you.
  6. Reinstall the replacement capacitor right away.
  7. Make sure you connect all of the wires correctly, as shown by your annotations.
  8. You can now turn the system’s power supply back ON.

WARNING: For your safety, this technique calls for a wide range of electrical knowledge and abilities. Employing an electrician will guarantee job quality and safety procedures, so we highly recommend it.

How To Diagnose And Fix A Bryant Air Conditioner

Quick And Easy Steps To Fix A Bryant AC Thermal Lockout

It makes sense to try to fix your Bryant air conditioner yourself before consulting a professional when problems arise. While troubleshooting your AC system may seem difficult, it is actually rather straightforward.

Here are some fundamental tips for troubleshooting your faulty Bryant air conditioner:

  1. Keep an eye on your thermostat to make sure it is set to COOL.
  2. Examine the circuit breaker for the condenser unit or, if the switch is in the ON position, disconnect it.
    *The disconnect switch for your outside unit is located in a grey box on a neighboring wall.
  3. Keep in mind that the furnace blower motor should operate at its best when the thermostat is set to COOL.
    *If not, you’ll need to make sure it’s in the ON position.
  4. You must replace your Bryant AC filter according to the recommended schedule, which is every 3-6 months.
    *If you don’t do this, your outdoor unit will have insufficient ventilation and eventually stop working.
  5. Plan where to place your return grills to prevent a piece of furniture from blocking the openings.

If these instructions don’t work, we advise calling your AC professional to diagnose your air conditioner.

Is There A Reset Button On A Bryant Air Conditioner?

Bryant crafts attractive, dependable, and long-lasting air conditioners. Bryant does, however, provide its air conditioners without a reset button, much like every other brand in the sector.

You might need to manually reset it if a problem arises using your electric panel or breaker box. Knowing these data won’t make you unhappy because resetting your breakers is easy and won’t require any complicated equipment.

How Can A Bryant Split System Air Conditioner Be Reset?

Quick And Easy Steps To Fix A Bryant AC Thermal Lockout

Since your Bryant air conditioner lacks a reset button, you might assume that it is difficult to reset it. However, you shouldn’t because your circuit breaker still allows you to reset it.

It takes around 30 minutes to reset everything. By doing this, the system will have ample time to reboot and address any underlying problems.

This is how:

  1. Go to the breaker for your air conditioner and completely turn it OFF.
  2. Give the computer roughly 30 minutes to reboot or rest.
  3. Turn the breaker back ON once the air conditioner has finished rebooting.

What Common Bryant Error Codes Are There?

It is simpler for you to appropriately fix the various problem codes of your Bryant air conditioner if you can identify them. Errors may inevitably occur while servicing the air conditioner.

To find the issue with your AC system, use this error code checklist:

Error Code 16
This error code denotes a communication issue within your system. To do this, the UI wiring must be examined for both interior and outdoor units.

Hire a professional if you don’t have enough electrical understanding.

Error Code 45
The 45 error code is another one, and it is brought on by a faulty outdoor unit control board. The only method to fix this problem is to replace the defective control board.

Error Code 46
This kind of problem typically manifests itself during a brownout or power outage. The power source for the fan and compressor must be at least 190 volts.

This can be avoided by checking your line voltage for possible damage and replacing it if necessary.

Error Code 53
The system air thermal sensor is either not functioning or is simply out of range, according to this error number. Check it with a multimeter to check if its wiring is also the source of the problem, and then take the appropriate action to fix it.

Error Code 71
This error code indicates that the system is in low-stage thermal cutout when it flashes.

Your compressor can be tripping or activating a relay when the capacitor is failing. To get your compressor working again, replace them.

NOTE: In addition to the error codes we’ve given you. Don’t worry if you see a solid ON, not a flash, on your panel screen; this means that everything is working as it should.

How Frequently Should A Bryant AC System Be Serviced?

Avoiding or averting future issues is always preferable to waiting for them to arise. You might be surprised to learn that the majority of air conditioners break down before their expected lifespan.

Bryant contends that twice yearly inspections or cleaning upkeep are required. By doing this, you can be sure that your AC unit will live a lot longer than the typical 15 years.


Even Bryant air conditioners, a fantastic firm that makes reliable AC systems, experience failures occasionally. similar to a thermal lockout that occurs within its system. Understanding how to resolve this problem helps shield other components from harm.

After reading our thorough explanation and simple troubleshooting instructions, you can now maintain your Bryant AC more effectively than you ever have. We also gave you some basic error codes that might give you trouble in the future.

Quick And Easy Steps To Fix A Bryant AC Thermal Lockout

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Written by HVAC Contributor

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