Back to blogs

Troubleshooting Guide: Rheem Tankless Water Heater Reset Button

If you're experiencing issues with your Rheem tankless water heater, the first step in troubleshooting is to try resetting it using the reset button. In this guide, we will provide step-by-step instructions on how to reset a Rheem tankless water heater. This will help you resolve common problems and get your water heater working again.

Key Takeaways:

  • Resetting the Rheem tankless water heater can often resolve common issues.
  • Locate the reset button on the front or right side of the unit to begin the resetting process.
  • Follow the step-by-step instructions provided to perform a successful reset.
  • If the problem persists, consult the online error code guide or contact a licensed technician for further assistance.
  • Having important details such as installation date and model number ready will be helpful when seeking support from the manufacturer.

Understanding Rheem Tankless Water Heaters

Rheem tankless water heaters are a popular choice for homeowners due to their advanced technology and electronic control boards. These innovative water heaters come with convenient features such as a remote controller (optional) and a control panel, which make it easier to diagnose and troubleshoot any issues that may arise.

When it comes to troubleshooting a Rheem tankless water heater, one of the first steps is to locate and utilize the reset button. This button is typically located on the front or right side of the unit, although it may also be found on the back. Familiarizing yourself with the exact location of the reset button is crucial for effectively troubleshooting any problems that may occur.

With the help of the reset button, you can easily reset your Rheem tankless water heater and resolve common issues. Whether you're dealing with a lack of hot water or an error code, following the reset instructions can often get your water heater up and running again.

Table: Rheem Tankless Water Heater Reset Button Location

Model Reset Button Location RTGH-95DVLN Front EcoSense ECO180XRP3 Right Side Performance Platinum ECOH200DVLN-2 Back

https://www.youtube.com/watch?v=-b07AfE4HNA

Resetting a Rheem Tankless Water Heater

Resetting a Rheem tankless water heater is a simple process that can often resolve common issues with the unit. By following a few steps, you can reset the water heater and potentially restore its functionality. Here are the instructions for resetting a Rheem tankless water heater:

Step 1: Turn off hot water tap and remote control

Begin by turning off the hot water tap and the remote control, if applicable. This will ensure that the water heater is completely powered down before attempting the reset.

Step 2: Wait for 5 minutes

Allow the tankless water heater to sit powered down for approximately 5 minutes. This waiting period will give the system enough time to reset itself.

Step 3: Turn the water heater back on

After the 5-minute waiting period, turn the tankless water heater back on. You can do this by following the manufacturer's instructions for starting the unit. Usually, this involves pressing a power button or flipping a switch.

Once the water heater is back on, open the hot water faucet to check if the reset has resolved the issue. If the problem persists, it is recommended to refer to the error code guide available online or contact a licensed technician for further assistance.

Steps for Resetting a Rheem Tankless Water Heater: Turn off hot water tap and remote control Wait for 5 minutes Turn the water heater back on

Following these steps should help you reset your Rheem tankless water heater and potentially resolve any issues you're experiencing. If the problem persists, it's always best to consult with a professional or contact the manufacturer for further guidance.

Contacting the Manufacturer

If resetting the Rheem tankless water heater does not solve the problem, it may be necessary to contact the manufacturer for additional support. When reaching out to the manufacturer, be sure to have important details on hand, such as the date of installation, model and serial number of the unit, and any relevant service information. The manufacturer's customer service team can provide further guidance and assistance in resolving the issue.

Contacting the manufacturer is a crucial step when troubleshooting a Rheem tankless water heater. Their expertise and knowledge of the product can help identify the root cause of the problem and provide specific instructions for resolving it. By providing them with the necessary details, you can expedite the troubleshooting process and ensure a quicker resolution to the issue.

Rheem's customer service team is well-equipped to handle inquiries and provide support for their products. They have in-depth knowledge of the tankless water heater models and can guide you through the troubleshooting process. Whether it's a technical issue or a question about maintenance, contacting the manufacturer is a reliable way to get the assistance you need.

Benefits of Contacting the Manufacturer How to Contact the Manufacturer

  • Expert advice and guidance
  • Access to specific troubleshooting instructions
  • Assistance in identifying and resolving the issue
  • Locate the manufacturer's contact information on their website or user manual
  • Call their customer service hotline
  • Provide the necessary details of your unit and the issue you're experiencing

Benefits of Contacting the Manufacturer

When troubleshooting a Rheem tankless water heater, contacting the manufacturer offers several benefits. First and foremost, their customer service team has expert knowledge of their products and can provide tailored advice and guidance to resolve the issue. They can walk you through specific troubleshooting steps and provide instructions based on the model and serial number of your unit.

Additionally, contacting the manufacturer gives you access to detailed troubleshooting instructions that may not be readily available online. They can explain error codes, provide solutions for common problems, and offer tips for maintaining and optimizing the performance of your Rheem tankless water heater.

By reaching out to the manufacturer, you can also ensure that the issue is properly identified and resolved. They may be able to recognize patterns or trends related to specific models and offer targeted solutions. Furthermore, their customer service team can help determine if the problem requires the expertise of a licensed technician, potentially saving you time and money.

Tips and Advice for Rheem Tankless Water Heater Reset

If your Rheem tankless water heater is not working or won't reset, there are a few tips and advice you can follow to troubleshoot the issue before seeking professional assistance. Here are some steps you can take:

1. Turn off hot water flow and power

In some cases, simply turning off the hot water flow or power to the tankless water heater can reset the system. This can help clear any minor glitches or errors that may be causing the problem. Make sure to turn off the hot water tap and any controllers that are fitted, and then turn off the power accordingly.

2. Wait for a few minutes

After turning off the hot water flow and power, wait for a few minutes to allow the system to reset. This waiting period can give the water heater enough time to recalibrate and resolve any issues. It is recommended to wait at least 5 minutes before proceeding.

3. Contact a professional plumber

If the reset button does not solve the issue and you are unable to find the error code in the guideline, it is best to contact a professional plumber for assistance. They have the expertise to diagnose and repair more complex issues with Rheem tankless water heaters. A licensed technician will be able to effectively troubleshoot and resolve the problem, ensuring that your tankless water heater is back up and running efficiently.

By following these tips and advice, you can potentially resolve common issues with your Rheem tankless water heater and avoid the need for extensive repairs or replacements. Remember to always prioritize safety and consult with professionals when necessary.

Tips and Advice for Rheem Tankless Water Heater Reset Turn off hot water flow and power Wait for a few minutes Contact a professional plumber

Resetting a Rheem Electric Water Heater

If you're experiencing issues with your Rheem electric water heater, resetting it can often resolve common problems. The process is relatively simple and can be done in a few easy steps.

Steps to Reset a Rheem Electric Water Heater:

  1. Step 1: Turn off the power supply to the water heater. Locate the appropriate circuit breaker in your electrical panel and switch it off. Alternatively, you can turn off the main power switch if your water heater is connected to a dedicated circuit.
  2. Step 2: Allow the water heater to sit for about 10 seconds to let any residual power drain.
  3. Step 3: Locate the reset button on the control panel of the water heater. It is usually a red button.
  4. Step 4: Press and hold the reset button for a few seconds until you hear a click.
  5. Step 5: After resetting, wait for the water heater to restart. This may take a few minutes.
  6. Step 6: Open a hot water faucet in your home to check if hot water is now being produced. If the water is still not hot, you may need to contact a professional plumber for further assistance.

Resetting a Rheem electric water heater can help resolve issues such as insufficient heating or no hot water. However, if the problem persists after resetting, it may be indicative of a more complex problem that requires professional attention. In such cases, it's best to consult with a licensed plumber who can diagnose and repair the water heater.

rheem electric water heater reset button

Water Heater Type Reset Method Electric Turn off power, press reset button Gas Press and hold reset button Tankless Refer to specific model's reset instructions

Note: Always refer to the specific model's manual for detailed reset instructions, as variations may exist.

Resetting a Rheem Gas Water Heater

Resetting a Rheem gas water heater is a simple process that can help resolve common issues and get your water heater working again. Follow these step-by-step instructions to reset your Rheem gas water heater:

  1. Start by removing the access panel cover and insulation to access the reset button.
  2. Locate the red reset button, which is typically positioned above the thermostat.
  3. Press and hold the reset button for a few seconds until you hear a click. This indicates that the reset was successful.
  4. Finally, replace the insulation and access panel cover to secure the water heater.

After completing these steps, the gas water heater should reset and begin functioning normally. If the issue persists or you are unsure of how to proceed, it's recommended to consult with a professional plumber or contact the manufacturer for further assistance.

https://www.youtube.com/watch?v=QKQENnbPQN4

Common Problems and Solutions

Resetting a Rheem gas water heater can resolve several common problems. Here are some issues you may encounter and their potential solutions:

Problem Solution No hot water Reset the gas water heater following the steps mentioned above. If the problem persists, it may be due to a faulty pilot light or thermocouple. Contact a professional plumber for further diagnosis and repair. Gas odor If you smell gas near the water heater, turn off the gas supply and contact your gas utility company immediately. Do not attempt to reset the water heater or use any ignition sources. Intermittent heating Clean the burner assembly and check for any debris or blockages that may be affecting the heating performance. If cleaning doesn't resolve the issue, consult a professional for assistance.

Tips for Prevention

  • Regularly inspect your gas water heater for any signs of wear or damage.
  • Flush the tank annually to remove sediment buildup and maintain optimal performance.
  • Keep the area around the water heater clear of any flammable materials.
  • Follow the manufacturer's guidelines for maintenance and safety precautions.

Resetting a Rheem Tankless Water Heater

If you own a Rheem tankless water heater and are experiencing issues, resetting the unit may help resolve common problems. Follow these step-by-step instructions to reset your Rheem tankless water heater and get it working again.

Resetting a Gas Rheem Tankless Water Heater

If you have a gas model, start by removing the access panel cover and insulation. Locate the reset button, typically located above the thermostat, and press and hold it until you hear a click. This indicates that the reset was successful. Finally, replace the insulation and access panel cover. Your gas water heater should now be reset and ready to provide hot water.

Resetting an Electric Rheem Tankless Water Heater

For an electric model, begin by turning off the remote control and closing all hot water faucets. Wait for about five minutes to allow the system to reset. After the five minutes, you can turn the tankless water heater back on and open the hot water faucet to check if the issue has been resolved. Following these steps will ensure that your electric Rheem tankless water heater is properly reset and ready to produce hot water.

Gas Rheem Tankless Water Heater Reset Electric Rheem Tankless Water Heater Reset 1. Remove access panel cover and insulation. 1. Turn off the remote control and close all hot water faucets. 2. Locate the reset button above the thermostat. 2. Wait for about five minutes to allow the system to reset. 3. Press and hold the reset button until you hear a click. 3. Turn the tankless water heater back on. 4. Replace the insulation and access panel cover. 4. Open the hot water faucet to check if the issue is resolved.

By following the appropriate reset instructions for your Rheem tankless water heater, you can often resolve common issues and restore hot water to your home.

how to reset a rheem tankless water heater

Resetting a Rheem Water Heater Flammable Vapor Sensor

If you own a Rheem gas-powered water heater, it is equipped with a flammable vapor sensor as a safety mechanism. This sensor detects the presence of fire-producing vapors and automatically shuts off the gas valve to prevent any potential hazards. However, there may be instances when the sensor is tripped falsely, causing the water heater to stop working. In such cases, resetting the flammable vapor sensor can help resolve the issue.

To reset the flammable vapor sensor on your Rheem water heater, follow these steps:

  1. Unplug the blower from the power source. Leave it unplugged for about five to ten seconds to allow the system to reset.
  2. While the blower is unplugged, monitor the temperature fluctuations on the water heater until the reset process is complete.
  3. In some cases, it may also be necessary to reset the gas valve. To do so, turn off the gas valve for about five seconds and then turn it back on.

By following these steps, you can reset the flammable vapor sensor on your Rheem water heater and ensure the safe and efficient operation of your unit.

https://www.youtube.com/watch?v=6t1nsqiU20Y

Table: Steps to Reset a Rheem Water Heater Flammable Vapor Sensor

Steps Description 1 Unplug the blower from the power source for 5-10 seconds. 2 Monitor temperature fluctuations until the reset is complete. 3 If necessary, reset the gas valve by turning it off for 5 seconds and then back on.

Common Reasons for a Rheem Water Heater Reset

When it comes to Rheem water heaters, there are several common reasons why they may require a reset. Understanding these reasons can help you troubleshoot and resolve issues with your water heater more effectively. Here are the main causes that may prompt a Rheem water heater reset:

Power Outages

A power outage can cause your Rheem water heater to shut down temporarily. When the power is restored, the water heater may need to be reset to resume normal operation. This is a common occurrence and can be easily resolved by resetting the water heater using the appropriate method for your specific model.

Tripped Circuit Breakers

If your water heater is not receiving power or is experiencing electrical malfunctions, it could be due to a tripped circuit breaker. A tripped circuit breaker is a safety feature that protects the electrical system from overload. Resetting the circuit breaker and your water heater can help restore power and resolve any related issues.

Faulty Heating Elements

A faulty heating element can lead to insufficient heating or no hot water at all. If you notice a decrease in water temperature or a complete lack of hot water, it may be necessary to reset your Rheem water heater. Resetting the water heater can sometimes resolve issues related to heating elements and restore proper functioning.

It's important to note that while a reset can address many common issues with Rheem water heaters, persistent problems may require professional assistance. If you have tried resetting your water heater and the issue persists, it's recommended to consult a licensed plumber or contact the manufacturer for further troubleshooting and support.

Conclusion

Resetting a Rheem tankless water heater can be a simple solution to many common issues. By following the step-by-step instructions and using the reset button, you can often resolve problems with your water heater and restore hot water to your home.

However, if the issue persists or you are unsure of how to proceed, it's always best to consult with a professional plumber or contact the manufacturer for support. They have the expertise to diagnose and repair more complex problems that may require specialized knowledge or equipment.

When seeking assistance, remember to have important information such as the installation date, model, and serial number of your Rheem tankless water heater on hand. This information will help the plumber or manufacturer's customer service team provide you with the most accurate and effective guidance.

Restoring your hot water supply is crucial for your daily activities, and resolving any issues with your water heater promptly can save you time and frustration. By taking the necessary steps and seeking professional help when needed, you can ensure that your Rheem tankless water heater continues to provide efficient and reliable hot water for your home.

FAQ

How do I reset a Rheem tankless water heater?

To reset a Rheem tankless water heater, start by turning off the hot water tap and the remote control. Wait for about 5 minutes to allow the system to reset. Then, turn the tankless water heater back on and open the hot water faucet to check if the issue has been resolved. If the problem persists, refer to the error code guide available online or contact a licensed technician for help.

Where is the reset button located on a Rheem tankless water heater?

The reset button on a Rheem tankless water heater is typically located on the front or right side of the unit, but it may also be found on the back. Familiarize yourself with the location of the reset button for troubleshooting purposes.

What should I do if resetting the Rheem tankless water heater doesn't solve the problem?

If resetting the Rheem tankless water heater does not solve the problem, it may be necessary to contact the manufacturer for additional support. When reaching out to the manufacturer, be sure to have important details on hand, such as the date of installation, model and serial number of the unit, and any relevant service information.

Can I reset a Rheem electric water heater?

Yes, a Rheem electric water heater can be reset. To reset it, turn off the power supply to the heater by flipping the appropriate circuit breaker or turning off the main power switch. Wait for about 10 seconds for residual power to drain from the water heater. Then, locate the reset button on the control panel and press it for a few seconds until you hear a click. After resetting the heater, wait for it to restart and check if hot water is being produced.

How do I reset a Rheem gas water heater?

To reset a Rheem gas water heater, start by removing the access panel cover and insulation. Locate the red reset button that is typically above the thermostat and press and hold it until you hear a click. This indicates that the reset was successful. Finally, replace the insulation and access panel cover. After completing these steps, the gas water heater should reset and begin functioning normally.

Are resetting instructions different for a Rheem tankless water heater?

Yes, resetting a Rheem tankless water heater is slightly different than resetting other types of water heaters. For gas models, remove the access panel cover and insulation and press the reset button. For electric models, turn off the remote control and close all hot water faucets before waiting for five minutes for the reset to complete. These steps will ensure that the tankless water heater is properly reset and ready to produce hot water.

How do I reset the flammable vapor sensor on a Rheem water heater?

To reset the flammable vapor sensor on a Rheem gas-powered water heater, unplug the blower for about five to ten seconds and monitor the temperature fluctuations until the reset is complete. It may also be necessary to reset the gas valve by turning it off for five seconds and then back on.

What are some common reasons why a Rheem water heater may require a reset?

Some common reasons why a Rheem water heater may require a reset include power outages, tripped circuit breakers, faulty heating elements, and tripped high limit switches. Power outages can cause the water heater to shut down temporarily, while tripped circuit breakers indicate an electrical overload. Faulty heating elements can cause insufficient heating or no hot water at all, and a tripped high limit switch is a safety mechanism to prevent overheating.

Lightning fast quotes.

Our water heater experts are standing by to help. Complete our form or call to schedule service.

Get a quoteA picture of a water heaters now technician.