
To reset a Navien water heater, you'll need to follow a few simple steps. First, locate the control panel on your unit. You'll find a small button labeled 'Reset' or a similar term. Press and hold this button for about 5 seconds, or until you see the display change. This will typically reset the system and clear any error codes. If your model has a more complex control panel, you may need to navigate through some menus to find the reset option. Always refer to your user manual for specific instructions tailored to your Navien water heater model.
| Characteristics | Values |
|---|---|
| Brand | Navien |
| Type | Tankless water heater |
| Reset Method | Press and hold the reset button for 5 seconds |
| Reset Button Location | Front panel, near the bottom |
| Common Issues | No hot water, error codes, inconsistent water temperature |
| Safety Precautions | Ensure the unit is turned off and cooled down before resetting |
| Tools Required | None |
| Estimated Time | 5-10 minutes |
| Success Indicators | Display shows "00" or "Ready" after reset |
| Additional Tips | Check for any leaks or damage before resetting |
| Warranty Information | Resetting may void warranty if not done correctly |
| Manufacturer Support | Contact Navien customer service for assistance |
| User Manual Reference | Section 4.3, "Resetting the Unit" |
| Online Resources | Navien website, YouTube tutorials |
| Recommended Maintenance | Regularly check and clean the unit to prevent future issues |
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What You'll Learn
- Check Power Supply: Ensure the water heater is plugged in and the circuit breaker hasn't tripped
- Verify Water Flow: Confirm there's no blockage in the water inlet or outlet pipes
- Inspect Error Codes: Look for any error messages on the heater's display and consult the manual
- Reset Button: Locate the reset button on the heater and press it to restart the system
- Contact Support: If issues persist, reach out to Navien's customer service for further assistance

Check Power Supply: Ensure the water heater is plugged in and the circuit breaker hasn't tripped
Before attempting to reset your Navien water heater, it's crucial to ensure that the power supply is functioning correctly. This involves checking that the water heater is properly plugged into the electrical outlet and that the circuit breaker hasn't tripped. Start by locating the power outlet where the water heater is connected. Visually inspect the plug to ensure it is securely inserted into the outlet. If it appears loose, unplug it and reinsert it firmly.
Next, check the circuit breaker. The circuit breaker is typically located in a utility box or panel. Open the panel and look for the breaker that controls the water heater. It should be in the "on" position. If it has tripped, you will need to reset it. To do this, firmly push the breaker switch to the "off" position and then back to the "on" position. This action should reset the breaker and restore power to the water heater.
After ensuring the power supply is stable, you can proceed with resetting the water heater. However, if the breaker continues to trip or the water heater still doesn't function, it may indicate a more serious electrical issue. In such cases, it's advisable to consult a professional electrician to avoid potential safety hazards.
Remember, safety should always be your top priority when dealing with electrical appliances. If you are unsure about any step in the process, it's best to seek professional assistance rather than risk injury or damage to your property.
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Verify Water Flow: Confirm there's no blockage in the water inlet or outlet pipes
To verify water flow in your Navien water heater, begin by checking the water inlet and outlet pipes for any signs of blockage. This is a crucial step in the reset process, as a clogged pipe can prevent the heater from functioning correctly. Start by visually inspecting the pipes for any obvious obstructions, such as debris or mineral buildup. If you notice any blockages, use a soft brush or cloth to gently remove them. Be careful not to use any harsh chemicals or abrasive materials that could damage the pipes or the heater.
Next, check the water flow by turning on the hot water tap and observing the water pressure. If the water flow is weak or inconsistent, this could indicate a blockage in the pipes. In this case, you may need to use a pipe cleaner or a plumber's snake to clear out any stubborn clogs. Make sure to follow the manufacturer's instructions for any cleaning tools or chemicals you use to avoid damaging the pipes or the heater.
If you're unable to clear the blockage yourself, it's best to call a professional plumber to assist you. They will have the necessary tools and expertise to safely and effectively clear out any clogs and ensure that your water heater is functioning properly.
Remember, verifying water flow is an essential step in the reset process for your Navien water heater. By ensuring that there are no blockages in the water inlet or outlet pipes, you can help prevent potential damage to the heater and ensure that it continues to provide you with reliable hot water.
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Inspect Error Codes: Look for any error messages on the heater's display and consult the manual
Begin by closely examining the display panel of your Navien water heater for any visible error codes or messages. These codes are crucial as they provide specific insights into what might be causing the issue that necessitates a reset. Common error codes on Navien heaters include 'E01' for ignition failure, 'E03' for flame failure, and 'E04' for overheating, among others. Each code corresponds to a particular problem that needs to be addressed.
Once you've identified the error code, consult the user manual that came with your water heater. The manual will typically have a section dedicated to troubleshooting these codes, offering detailed explanations of what each code means and the steps you can take to resolve the issue. If you don't have the manual handy, you can often find digital versions available online through the manufacturer's website or other reliable sources.
In some cases, the error code might indicate a more serious issue that requires professional attention. For instance, if you see an 'E08' code, which often relates to a gas leak or a problem with the gas supply, it's essential to contact a licensed technician immediately. Attempting to reset the heater in such situations could be dangerous.
For less severe error codes, the manual will likely guide you through a series of diagnostic steps. These might include checking the water flow, ensuring the gas supply is adequate, or verifying that the electrical connections are secure. Following these steps carefully can help you pinpoint the exact cause of the problem.
Once you've identified and addressed the underlying issue, you can proceed with resetting the water heater. This usually involves pressing and holding the reset button on the unit for a few seconds until the display panel clears and the heater restarts. However, the exact procedure can vary depending on the model, so always refer to the manual for specific instructions.
Remember, safety should always be your top priority when working with any kind of heating appliance. If you're unsure about any part of the process, it's better to err on the side of caution and seek professional help.
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Reset Button: Locate the reset button on the heater and press it to restart the system
To reset a Navien water heater, the first step is to locate the reset button. This button is typically found on the front panel of the heater, often near the bottom or on the side. It's a small, circular button that may be labeled "Reset" or have a symbol indicating its function. Once you've located the button, press it firmly to initiate the reset process.
Before pressing the reset button, it's important to ensure that the heater is turned off and unplugged from the power source. This will prevent any electrical issues or damage to the unit during the reset process. After pressing the button, wait for a few seconds and then turn the heater back on. This should reset the system and clear any error codes or issues that were present.
If the reset button does not seem to be working, there are a few other steps you can take to troubleshoot the issue. First, check the power supply to ensure that the heater is receiving electricity. If the power supply is fine, then check the temperature settings on the heater to ensure that they are within the recommended range. If the temperature settings are too high or too low, this can cause the heater to malfunction.
In some cases, the reset button may not be sufficient to resolve more serious issues with the heater. If you're experiencing persistent problems, such as leaks or unusual noises, it's best to contact a professional plumber or technician to inspect and repair the unit. They will have the necessary tools and expertise to diagnose and fix any issues that may be present.
Overall, the reset button is a useful tool for troubleshooting minor issues with a Navien water heater. By following these steps and taking the necessary precautions, you can safely and effectively reset your heater and get it back to working order.
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Contact Support: If issues persist, reach out to Navien's customer service for further assistance
If you've followed the previous steps to reset your Navien water heater and are still experiencing issues, it's time to contact Navien's customer service for further assistance. This section will guide you through the process of reaching out to Navien's support team and what information you should have ready to ensure a smooth and efficient resolution to your problem.
Before contacting Navien's customer service, make sure you have gathered all the necessary information about your water heater. This includes the model number, serial number, and any error codes or messages displayed on the unit. Having this information readily available will help the customer service representative quickly identify the issue and provide you with the appropriate solution.
Navien's customer service can be contacted through various channels, including phone, email, and online chat. Choose the method that is most convenient for you, and be prepared to provide the information you've gathered about your water heater. When explaining the issue, be as detailed as possible and mention any steps you've already taken to try and resolve the problem.
During your interaction with Navien's customer service, it's important to be patient and cooperative. The representative may ask you to perform additional troubleshooting steps or provide more information about your water heater. By working together, you can ensure that the issue is resolved as quickly and efficiently as possible.
In some cases, Navien's customer service may determine that your water heater requires professional servicing. If this is the case, they will provide you with information on how to schedule a service appointment and what to expect during the process. It's important to follow their instructions carefully to ensure that your water heater is serviced properly and safely.
By following these steps and working with Navien's customer service, you can be confident that your water heater issues will be resolved to your satisfaction. Remember to always prioritize safety when dealing with any water heater problems, and don't hesitate to reach out for professional help if needed.
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Frequently asked questions
To reset your Navien water heater, locate the control panel and press the "Reset" button. This button is typically found near the bottom of the panel. After pressing it, wait for the system to reboot, which may take a few minutes.
If the reset button doesn't work, try checking the power supply to ensure the unit is receiving electricity. If the power supply is fine, inspect the control panel for any error codes or indicators. If you still can't resolve the issue, it may be necessary to contact a professional technician for assistance.
It's generally not necessary to reset your Navien water heater regularly. However, if you experience issues such as inconsistent water temperature or error codes, a reset may be required to resolve these problems.
Resetting your Navien water heater will not typically affect your water temperature settings. However, it's always a good idea to double-check the settings after a reset to ensure they are still configured as desired.
Some Navien water heater models may offer remote reset capabilities through a smartphone app or other remote access systems. Check your unit's manual or contact the manufacturer to determine if this feature is available on your specific model.






































