Bradford White Aero Water Heater 50 Error Code

There’s nothing quite as frustrating as stepping into the shower, only to be greeted by icy cold water. Even worse? Seeing an error code flashing on your trusty Bradford White Aero water heater. If you’ve encountered the dreaded Bradford White Aero water heater 50 error code, you’re likely feeling a mix of confusion and concern.

Don’t worry, you’re not alone, and this issue is often resolvable. As your friendly HVACR experts at HVACRLY, we understand these systems inside and out. We’re here to demystify this specific error code, walk you through safe and effective troubleshooting steps, and help you get that hot water flowing again.

In this comprehensive guide, we’ll explain exactly what the “50” error signifies, detail the common culprits behind it, and provide you with actionable instructions for diagnosing and potentially fixing the problem yourself. We’ll also share essential preventative measures and when it’s truly time to call in a professional. Let’s dive in and tackle this together!

Understanding the Bradford White Aero Water Heater 50 Error Code: What Does It Mean?

When your Bradford White Aero water heater displays the “50” error code, it’s a clear signal that something isn’t right within its heating system. Specifically, this code typically indicates that the water heater’s high-temperature limit switch has tripped. Think of this as a crucial safety mechanism designed to prevent the water in your tank from overheating to dangerous levels.

Your Bradford White Aero is engineered with sophisticated controls to ensure both comfort and safety. The high-limit switch monitors the water temperature and, if it detects an abnormally high temperature, it automatically shuts down the heating elements to prevent scalding water, potential tank damage, or even fire hazards. So, while inconvenient, the 50 error code means a critical safety feature has done its job.

Understanding this is the first step in our Bradford White Aero water heater 50 error code guide. It tells us that the problem isn’t just a random glitch; it’s a response to an internal condition causing excessive heat.

Initial Safe Checks: Your First Steps to Resolving the 50 Error Code

Before you do anything else, safety is paramount. Working with electricity and hot water requires caution. Always begin by disconnecting power to your water heater. Head to your electrical panel and switch off the breaker that controls the water heater. Confirm the power is off before proceeding.

Once power is safely disconnected, you can begin our initial checks. These simple steps often resolve the issue without needing advanced tools or professional help. These are your first crucial Bradford White Aero water heater 50 error code tips.

1. Resetting the High-Limit Switch

Locate the Switch: On most Bradford White Aero models, the high-limit reset button is a small, red button located on the thermostat access panel, usually behind a removable cover on the upper part of the tank. You might need a screwdriver to remove the access panel.
Press to Reset: Firmly press the red button. You might hear a faint click, indicating it has reset. If it doesn’t click or feels loose, it might be faulty, or the underlying issue is still present.
Restore Power: Replace the access panel, then turn the power back on at the breaker. Observe your water heater. Does the error code clear? Do you hear the heating elements engage?

2. Checking Thermostat Settings

Sometimes, the simplest things are overlooked. If your thermostat was accidentally set too high, it could cause the water to overheat and trip the safety switch. Check both the upper and lower thermostat settings (if applicable) and ensure they are set to a reasonable temperature, typically between 120°F and 125°F. Excessively high settings can lead to the 50 error code and are not recommended for safety or energy efficiency.

3. Confirming Power Supply

While the 50 error code specifically points to high temperature, it’s always good practice to ensure your water heater is receiving consistent power. If the breaker tripped for any reason (not just for the water heater but a main one), it could lead to erratic operation. Ensure the breaker is fully “on” and hasn’t partially tripped.

If these initial steps don’t resolve the issue, it means the underlying cause of the overheating is still present, and we need to dig a little deeper. This is where understanding the common problems with Bradford White Aero water heater 50 error code comes in handy.

Deeper Dive: Common Problems Leading to the 50 Error Code

When a simple reset doesn’t work, the 50 error code is telling us there’s a more persistent issue causing the water to reach unsafe temperatures. Let’s explore the most frequent culprits. Addressing these problems is key to finding a lasting solution for your Bradford White Aero water heater 50 error code.

Faulty Thermostats

Your water heater typically has two thermostats: an upper and a lower. These components regulate the water temperature by controlling when the heating elements turn on and off. If either thermostat is faulty, it might not accurately read the water temperature or could become “stuck” in an “on” position, causing the water to continuously heat beyond its set point until the high-limit switch trips.

Upper Thermostat: Often controls the initial heating and the high-limit switch. If it’s malfunctioning, it might not cut power to the elements correctly.
Lower Thermostat: Regulates the heating of the lower portion of the tank. A faulty lower thermostat can also lead to overheating if it fails to cycle off.

Failing Heating Elements

Electric water heaters rely on heating elements to warm the water. Over time, these elements can fail in various ways. A common issue that leads to overheating is an element that becomes “shorted” or “stuck on.” In this scenario, the element continues to heat even when the thermostat tells it to stop, leading to dangerously high temperatures and triggering the 50 error code.

Sediment Buildup in the Tank

This is a very common and often overlooked problem, especially in older tanks or areas with hard water. Minerals and sediment from your water supply can accumulate at the bottom of your water heater tank. This sediment acts as an insulator, trapping heat at the bottom of the tank and preventing efficient heat transfer to the water above. The lower heating element, buried in sediment, can then overheat rapidly, causing the surrounding water to get excessively hot and trip the high-limit switch.

Addressing sediment buildup is not just about fixing the 50 error; it’s also a crucial part of sustainable Bradford White Aero water heater 50 error code prevention, as it significantly impacts efficiency and longevity.

Malfunctioning Pressure Relief Valve (T&P Valve)

The Temperature and Pressure (T&P) relief valve is another critical safety device. It’s designed to open and release water if either the temperature or pressure inside the tank becomes too high. While a T&P valve issue might not directly cause the 50 error code (which is a temperature-only trip), a malfunctioning valve could indicate broader issues with temperature or pressure regulation within the tank. If your T&P valve is leaking, it could be a symptom of persistent overheating or excessive pressure.

Control Board Malfunction

Modern Bradford White Aero water heaters, especially the heat pump models, feature sophisticated electronic control boards. These boards manage all functions, including thermostat readings, heating element activation, and error code displays. A defective control board can send incorrect signals, leading to elements running continuously or misinterpreting temperature data, thereby causing the high-limit switch to trip.

Pinpointing the exact cause requires systematic troubleshooting. Let’s move on to how you can test some of these components yourself, keeping safety in mind.

Troubleshooting Specific Components: A Step-by-Step Guide

Now that we understand the common causes, let’s get practical. For these steps, you’ll need a multimeter and a good understanding of electrical safety. If you’re not comfortable working with electricity, this is a clear sign to call a professional. This section provides a detailed Bradford White Aero water heater 50 error code guide for diagnosis.

Remember: Always turn off power to the water heater at the breaker before performing any tests or inspections.

Testing Thermostats

There are usually two thermostats, upper and lower, behind removable access panels. Remove the panels and the insulation to expose the thermostats and elements. Each thermostat has two wires connected to it.

Disconnect Wires: Carefully disconnect the wires leading to the thermostat.
Check for Continuity: Set your multimeter to the ohms (Ω) setting. Place one probe on each terminal of the thermostat. You should get a reading close to zero ohms, indicating continuity (a closed circuit). If you get an “OL” (open loop) or infinite resistance reading, the thermostat is likely faulty and needs replacement.
Check for Short to Ground: Place one probe on a thermostat terminal and the other on the metal tank (ground). You should get an “OL” reading. If you get continuity, the thermostat is shorted and must be replaced.

Inspecting Heating Elements

The heating elements are also located behind the access panels, usually one for the upper thermostat and one for the lower. They are immersed in the water.

Visual Inspection: Look for any signs of damage, such as cracks, bulges, or heavy mineral deposits on the element itself. Severe buildup can indicate overheating.
Test for Continuity: Disconnect the wires from the element terminals. Set your multimeter to ohms. Place one probe on each terminal of the heating element. You should get a resistance reading (e.g., 10-20 ohms for a typical 4500W element). An “OL” reading means the element is broken (open circuit) and won’t heat. A reading of zero ohms means it’s shorted.
Test for Short to Ground: Place one probe on an element terminal and the other on the metal tank (ground). You should get an “OL” reading. If you get continuity, the element is shorted to ground, which can cause the breaker to trip or the high-limit switch to activate.

If either the thermostat or heating element tests faulty, replacement is necessary. This is a job that can be done by a DIYer with appropriate skills, but care must be taken when draining the tank and working with electrical connections.

Addressing Sediment Buildup: Draining and Flushing the Tank

If your elements and thermostats test fine, sediment buildup is a strong suspect. This is a crucial step for Bradford White Aero water heater 50 error code care guide and preventative maintenance.

Turn Off Power & Water: Switch off the breaker to the water heater and turn off the cold water supply valve to the water heater (usually a blue handle above the unit).
Attach a Hose: Connect a garden hose to the drain valve at the bottom of the water heater. Route the other end of the hose to a floor drain or outside where hot water can safely drain.
Open Hot Water Tap: Open a hot water faucet in your house (e.g., a sink faucet) to break the vacuum in the tank and allow it to drain faster.
Open Drain Valve: Open the drain valve on the water heater. You’ll likely see murky water, perhaps with chunks of sediment. Let it drain completely.
Flush the Tank: Once drained, briefly open the cold water supply valve to the water heater (for 1-2 minutes) while the drain valve is still open. This will stir up and flush out more sediment. Repeat this several times until the water coming out of the hose runs clear.
Refill and Restore: Close the drain valve, remove the hose, and close the open hot water faucet in your house. Turn the cold water supply back on to the water heater and let the tank fill completely (listen for the water filling). Once full, turn the power back on at the breaker.

Flushing your tank regularly (at least once a year) is one of the best Bradford White Aero water heater 50 error code best practices to prevent this issue from recurring.

Checking the T&P Valve

While less common as a direct cause of the 50 error code, a faulty T&P valve can contribute to overall system stress.

Inspect for Leaks: Look for any signs of water dripping or corrosion around the T&P valve, which is usually located on the top or side of the tank, with a discharge pipe running downwards.
Test (Carefully): To test the valve, gently lift the test lever for a few seconds. Hot water should discharge from the pipe. If no water comes out, or if it doesn’t snap shut properly, the valve may be faulty and should be replaced. Be very careful as the water will be hot.

Replacing a T&P valve typically requires draining the tank and using pipe sealant. This is another task where a professional might be preferred if you’re not experienced.

Preventative Measures & Best Practices for Your Aero Water Heater

Preventing the 50 error code and other water heater issues is always better than reacting to them. Implementing a few simple Bradford White Aero water heater 50 error code best practices can significantly extend the life of your unit, improve its efficiency, and ensure a consistent supply of hot water.

Annual Tank Flushing: As detailed above, flushing your water heater once a year (or more frequently in areas with very hard water) is crucial for removing sediment buildup. This prevents overheating and protects heating elements. This is a key part of eco-friendly Bradford White Aero water heater 50 error code maintenance, as a clean tank operates more efficiently.
Anode Rod Inspection/Replacement: The anode rod sacrifices itself to protect the steel tank from corrosion. It should be inspected every 3-5 years and replaced if significantly corroded. A corroded anode rod can lead to premature tank failure.
Maintain Optimal Temperature Settings: Keep your water heater set between 120°F and 125°F. This is hot enough for most household needs, reduces the risk of scalding, and prevents the unit from working harder than necessary, which can lead to overheating issues.
Insulate Hot Water Pipes: Insulating the first six feet of hot and cold water pipes connected to your water heater can reduce heat loss and improve efficiency, especially in unheated areas like basements or utility closets. This contributes to a more sustainable Bradford White Aero water heater 50 error code solution by reducing energy consumption.
Regular Visual Inspections: Periodically check your water heater for any signs of leaks, rust, or unusual noises. Catching small issues early can prevent them from escalating into major problems like the 50 error code.

By following these guidelines, you’re not just troubleshooting; you’re actively engaging in Bradford White Aero water heater 50 error code care guide best practices, ensuring reliability and maximizing the benefits of Bradford White Aero water heater 50 error code prevention.

When to Call a Professional: Knowing Your Limits

While many of the steps outlined above are well within the capabilities of a confident DIYer, there are definitely times when calling a licensed HVACR technician is the smartest and safest option. Here are situations where professional help is strongly recommended:

Persistent 50 Error Code: If you’ve tried the initial resets and troubleshooting steps (checking thermostats, elements, flushing), and the 50 error code keeps returning, it indicates a deeper, more complex electrical or mechanical issue that requires expert diagnosis.
Uncomfortable with Electrical Work: If you’re not confident using a multimeter or working with live electrical components, do not attempt to test thermostats or heating elements. Electricity can be dangerous, and improper handling can lead to serious injury or further damage to your unit.
Water Leaks: Any signs of water leaking from the tank itself (not just the T&P valve discharge pipe) usually mean the tank has failed and requires replacement. This is a job for a professional.
No Hot Water After Reset: If the error code clears but you still have no hot water, or only lukewarm water, there might be other issues at play beyond just the high-limit trip.
Unusual Noises: If your water heater is making strange banging, popping, or rumbling noises, especially after flushing, it could indicate severe sediment buildup that requires specialized cleaning or potential element damage.
Warranty Considerations: Attempting complex repairs yourself might void your water heater’s warranty. A licensed technician can perform repairs that keep your warranty intact.

A professional technician has the specialized tools, knowledge, and experience to quickly and safely diagnose the root cause of the 50 error code. They can perform accurate component testing, safely replace parts, and ensure your system is operating correctly and efficiently. Don’t hesitate to reach out if you’re ever in doubt. Prioritizing safety and proper function is always the best approach.

Sustainable & Eco-Friendly Operation of Your Bradford White Aero

Your Bradford White Aero water heater is often designed with efficiency in mind, particularly if it’s a heat pump model. Ensuring its proper operation not only prevents issues like the 50 error code but also contributes to a more sustainable and eco-friendly home. By maximizing its efficiency, you reduce energy consumption and lower your carbon footprint.

Optimal Temperature Settings: As mentioned, setting your temperature to 120-125°F is a sweet spot for safety and energy efficiency. Higher temperatures require more energy and increase the risk of the 50 error code. Lowering your temperature even a few degrees can result in significant energy savings.
Understand Heat Pump Technology: If you have an Aero heat pump water heater, understand its operating modes. “Efficiency” or “Heat Pump Only” mode uses the least energy, drawing heat from the ambient air. While it might take slightly longer to recover, it’s the most eco-friendly option. Using “Hybrid” or “High Demand” modes sparingly helps maintain efficiency.
Regular Maintenance: The care tips we’ve discussed – flushing the tank, checking the anode rod, and inspecting elements – are all critical for efficiency. A well-maintained water heater doesn’t have to work as hard, consuming less energy and reducing wear and tear. This is the essence of a sustainable Bradford White Aero water heater 50 error code prevention strategy.
Proper Installation Location: For heat pump models, ensure your unit is installed in an unconditioned space (like a basement or garage) that remains above 50°F. The unit needs ambient heat to draw from. Installing it in a small, enclosed space can hinder its efficiency and potentially lead to operational issues.

By being mindful of these aspects, you’re not just troubleshooting; you’re actively contributing to a more energy-efficient and environmentally responsible home. The benefits of Bradford White Aero water heater 50 error code prevention extend beyond just hot water – they impact your utility bills and the planet.

Frequently Asked Questions About the Bradford White Aero Water Heater 50 Error Code

Can I reset the 50 error code myself?

Yes, often the first step in troubleshooting the 50 error code is to safely reset the high-limit switch. Always turn off power to the water heater at the breaker first, then locate and firmly press the red reset button, usually found behind an upper access panel. If the code reappears quickly, it indicates an underlying issue that needs further investigation.

How often should I flush my Bradford White Aero water heater?

For optimal performance and to prevent sediment buildup (a common cause of the 50 error), we recommend flushing your Bradford White Aero water heater annually. In areas with particularly hard water, you might consider flushing it every six months.

What’s the typical lifespan of a Bradford White Aero water heater?

With proper maintenance, a Bradford White Aero electric or heat pump water heater typically lasts between 10 to 15 years. Regular flushing, anode rod inspection, and prompt attention to issues like the 50 error code can help you get the most out of your unit.

Is the 50 error code dangerous?

The 50 error code itself indicates that a crucial safety mechanism (the high-temperature limit switch) has done its job to prevent dangerous overheating. While the error means your water heater is temporarily shut down, the system is designed to prevent a dangerous situation from escalating. However, ignoring the underlying cause of the overheating could lead to future issues, so it’s important to address it promptly.

Dealing with a water heater error code can be daunting, but with the right information and a methodical approach, you can often diagnose and even fix the problem yourself. Remember the importance of safety first, always disconnecting power before working on your unit.

Whether it’s a simple reset, a thorough flush to clear sediment, or the replacement of a faulty component, you now have the knowledge to approach the Bradford White Aero water heater 50 error code with confidence. For complex issues or if you ever feel unsure, don’t hesitate to call a licensed HVACR professional. They’re there to help ensure your home’s comfort and safety.

Stay safe, stay warm, and keep that hot water flowing!

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David Clark

Founder & Lead HVAC Specialist at HVACRLY

David Clark is the founder of HVACrly and a certified HVAC specialist with 10+ years working on residential and light-commercial systems. He turns complex heating, cooling, ventilation, and refrigeration topics into clear, actionable guides focused on safety and energy efficiency. When he’s not on a service call, he’s testing tools and writing step-by-step tutorials.