How to Reset Noritz Tankless Water Heater: Step-by-Step Guide

To reset your Noritz tankless water heater, you need to turn off the power supply to the unit and then turn it back on after a few seconds. Once the power is restored, your water heater will be reset and ready to use again.

Noritz tankless water heaters are a popular choice for homeowners seeking energy-efficient and on-demand hot water. However, like any other appliance, these units may encounter occasional glitches or malfunctions. In such cases, it’s crucial to know how to reset your Noritz tankless water heater to restore its functionality.

By following a simple procedure, you can reset the unit and have it back up and running in no time. We will guide you through the step-by-step process of resetting your Noritz tankless water heater, ensuring a seamless experience in the future. So, let’s dive in and learn how to reset your Noritz tankless water heater with ease.

Preparation

Before you begin the process of resetting your Noritz tankless water heater, it’s important to make sure that you have everything you need and understand the necessary safety precautions. This will help ensure a smooth and safe reset of your unit.

Gathering Necessary Tools

To start, gather the following tools:

• Flathead screwdriver
• Phillips head screwdriver
• Wire brush
• Bucket

Understanding Safety Precautions

When it comes to safety, it’s crucial to take the following precautions:

1. Turn off the gas and water supply to the heater before starting.
2. Wait at least five minutes to allow any residual gas to dissipate.
3. Keep the area well-ventilated by opening doors and windows.
4. Wear protective gloves and safety goggles to prevent injury.

Step 1: Turn Off The Power

When resetting a Noritz tankless water heater, it’s crucial to start with Step 1: Turn Off the Power. This ensures safety and allows for the system to reset effectively.

Locating The Power Source

To begin, locate the power source of the Noritz tankless water heater. This is typically found near the unit or in the breaker box.

Switching Off The Power

Before proceeding, switch off the power to the water heater to prevent any electrical mishaps. Locate the power switch or circuit breaker labeled for the heater and turn it off.

Step 2: Wait For 5 Minutes

To reset a Noritz Tankless Water Heater, proceed to Step 2: Wait for 5 minutes after turning off the power. This allows the system to reset and restart, ensuring optimal performance and efficiency. Following this simple step is crucial in maintaining your water heater’s functionality.

Purpose Of Waiting

Waiting for 5 minutes allows the Noritz tankless water heater to fully power off and reset, resolving any minor issues that may be causing malfunctions.

Ensuring Complete Power Discharge

Full power discharge ensures that all residual electricity is cleared from the system, enabling a fresh start for the tankless water heater.  

Step 3: Turn On The Power

To reset a Noritz Tankless Water Heater, start by turning on the power. Locate the power switch on the unit and flip it to the “On” position. This step is crucial in the resetting process to ensure proper functionality of the water heater.

After you have restored the power supply and checked the indicator lights, it is time to turn on the power to reset your Noritz tankless water heater. Follow these simple steps:

Restoring Power Supply

To restore the power supply to your Noritz tankless water heater, locate the circuit breaker panel in your home. Look for the breaker that corresponds to the water heater and flip it back to the “on” position. This will restore electricity to the unit and allow you to proceed with the reset process.

Checking Indicator Lights

Before turning on the power, it is important to check the indicator lights on your Noritz tankless water heater. These lights can provide valuable information about the status of your unit. Take a moment to observe the lights and ensure that they are functioning correctly.

If you notice any unusual patterns or if the lights are not illuminated at all, consult the user manual for troubleshooting tips. It is important to resolve any issues with the indicator lights before proceeding with the reset process.

Once you have confirmed that the indicator lights are working properly, you can safely proceed to turn on the power to your Noritz tankless water heater. This can usually be done by flipping the power switch located near the unit’s control panel.

After turning on the power, you may need to wait for a few moments as the water heater goes through its startup sequence. During this time, it is normal to hear some clicking or humming noises as the unit ignites and begins heating water. Once the startup sequence is complete, you should have successfully reset your Noritz tankless water heater.

By following these simple steps and turning on the power after restoring the supply and checking the indicator lights, you can quickly and effectively reset your Noritz tankless water heater.

Step 4: Test The Water Heater

After following the previous steps to reset your Noritz tankless water heater, the next crucial step is to test the functionality of the water heater. This involves running hot water taps and keeping an eye out for any error codes that may appear.

Running Hot Water Tap

To ensure that the reset was successful, turn on the hot water taps in your home. Let the water run for a few minutes to allow the heater to kick in and start producing hot water again. If the water is consistently hot and the flow is steady, it indicates that the reset was effective.

Monitoring For Error Codes

While testing the water heater, keep an eye on the display panel for any error codes that may appear. If you notice any error codes being displayed, refer to the user manual or Noritz’s website to identify the issue and troubleshoot accordingly. In most cases, error codes can provide valuable insights into the underlying problems that need to be addressed.

Maintenance Tips

Maintenance of your Noritz tankless water heater is crucial to ensure its efficient and long-lasting performance. By following a regular maintenance schedule and occasionally seeking professional help, you can keep your tankless water heater in top condition. Here are some maintenance tips to help you maintain your Noritz tankless water heater and ensure it functions optimally.

Regular Maintenance Schedule

Regular maintenance tasks are essential to keep your Noritz tankless water heater in optimal condition. Consider creating a maintenance schedule to ensure that no important tasks are overlooked. Some key maintenance tasks for your tankless water heater include:

• Flushing the system to remove any build-up of minerals and debris
• Inspecting and cleaning the inlet and exhaust vents for any obstructions
• Checking for leaks and ensuring all connections are secure
• Testing the pressure relief valve to ensure it’s functioning properly
• Inspecting the burner for any signs of wear or damage

Seeking Professional Help

While regular maintenance can be performed by homeowners, it’s also essential to seek professional help for your Noritz tankless water heater. Professional service can help to identify any potential issues and ensure that your tankless water heater is operating safely and efficiently. Professional services may include:

• Annual maintenance checks by a certified technician
• Addressing any error codes or unusual behavior
• Conducting a thorough inspection of the internal components
• Repairing or replacing any damaged parts

Frequently Asked Questions On How To Reset Noritz Tankless Water Heater

How Do You Reset A Noritz Water Heater?

To reset a Noritz water heater, locate the button on the front panel and press it for five seconds. The unit will then reset and return to its normal operation.

How Do I Reset A Tankless Water Heater?

To reset a tankless water heater, locate the power source and turn it off. Wait 5 minutes, then turn it back on. If the unit has a reset button, press and hold it for a few seconds. Consult the user manual for specific instructions.

Why Is My Noritz Tankless Hot Water Heater Not Working?

Check if the unit has power and gas supply. Clean the air filter and remove any blockages. Ensure the water pressure is sufficient and there are no leaks. If issues persist, contact a professional for inspection and repairs. Regular maintenance can also prevent problems.

Why Does My Noritz Tankless Water Heater Keep Turning Off?

A common reason for a Noritz tankless water heater turning off is a dirty air filter. Regularly clean or replace the air filter to ensure proper airflow and prevent the heater from shutting down.

Conclusion

Resetting your Noritz tankless water heater is a simple process that can save you time and money. By following the steps outlined in this blog post, you can quickly troubleshoot and resolve any issues you may be experiencing with your unit.

Remember to always refer to the manufacturer’s instructions and consult a professional if you’re unsure about any aspect of the process. With these tips, you’ll be able to maintain and restore the optimal performance of your Noritz tankless water heater effortlessly.

Happy resetting!