If you own a Navien tankless water heater, you may encounter an error code 003. This error code indicates a problem with the ignition, and it can be a frustrating experience. When you encounter this error code, it is important to troubleshoot the issue and determine the cause of the problem.

At Wilson Plumbing, we understand the importance of having a reliable and efficient water heater. That's why we offer comprehensive plumbing, heating, cooling, and electric services to residents in Northeast Ohio. Our team of experienced technicians can help you troubleshoot and fix any issues you may be experiencing with your Navien tankless water heater.

To troubleshoot the Navien error code 003, there are several steps you can take. First, check the gas supply to ensure that it is turned on and supplying gas to the unit. Next, check the igniter and flame sensor for any signs of damage or wear. If the igniter or flame sensor is damaged, it may need to be replaced. Finally, check the venting system to ensure that it is not blocked or obstructed in any way. If you are still experiencing issues after taking these steps, it may be time to call in a professional.

Understanding Navien Error Code 003

If you own a Navien tankless water heater, you may encounter Error Code 003 at some point. This error code indicates that there is an issue with the ignition process of your Navien water heater. In this section, we will help you understand the causes of this error code and how to interpret it.

Causes of Error Code 003

There are several possible causes of Error Code 003 in Navien tankless water heaters. One of the most common causes is an ignition failure. This means that the heater is unable to ignite the gas properly, resulting in a lack of hot water. Other causes may include:

• Gas supply issues
• Dirty ignition components
• Malfunctioning flame sensor

If you are experiencing Error Code 003, it is important to address the issue promptly to avoid further damage to your Navien water heater.

Interpreting the Error Code

When you see Error Code 003 on your Navien tankless water heater, it is important to take note of the specific details of the error code. The "E003" part of the error code refers to a specific problem with the ignition, while the following numbers may indicate a specific component or location of the problem.

If you are unsure of how to interpret the error code or how to fix the issue, it is best to contact a professional plumber or HVAC technician for assistance.

At Wilson Plumbing, we understand the frustration of dealing with plumbing, heating, cooling, and electric issues in your home. That's why we offer top-notch services to our clients in Northeast Ohio. Our team of experienced technicians is equipped to handle any issue, including Navien Error Code 003. Contact us today to schedule an appointment.

Troubleshooting Steps for Error Code 003

If your Navien tankless water heater is displaying error code 003, there are several troubleshooting steps you can take to diagnose and fix the issue. In this section, we will cover some initial diagnostic checks, inspecting the ignition components, and checking gas supply and pressure to help you get your hot water flowing again.

Initial Diagnostic Checks

The first step in troubleshooting error code 003 is to check for any obvious issues. Make sure the gas valve is open and the water flow is adequate. Check the power supply and ensure that the unit is properly grounded. If everything looks good, move on to the next step.

Inspecting the Ignition Components

The ignition components of your Navien water heater are critical to its operation. If they are not functioning correctly, you may see error code 003. Check the igniter, flame rod, and sensor for any damage or corrosion. Clean or replace any components that are not functioning correctly. If you are unsure how to do this, consult the user manual or contact a professional plumber.

Checking Gas Supply and Pressure

If the ignition components are functioning correctly, the next step is to check the gas supply and pressure. Make sure that the gas valve is fully open and that there are no leaks in the gas line. Check the gas pressure to ensure that it is within the recommended range. If the gas pressure is too low, you may need to contact your gas company to have it adjusted.

Wilson Plumbing is your best option for plumbing, heating, cooling, and electric in Northeast Ohio. Our experienced technicians are available 24/7 to help diagnose and fix any issues with your Navien water heater. Contact us today to schedule an appointment.

Preventive Maintenance to Avoid Error Code 003

To avoid encountering Navien Error Code 003, it is important to perform regular preventive maintenance on your Navien tankless water heater. This section will cover the essential maintenance tasks that you should perform to prevent this error code from appearing.

Regular Maintenance Schedule

To keep your Navien tankless water heater running smoothly and avoid Error Code 003, you should perform regular maintenance according to the manufacturer's instructions. This includes:

• Checking the air intake filter every six months and cleaning or replacing it as needed.
• Inspecting the exhaust pipe for blockages or damage annually.
• Checking the wiring connections for signs of wear or damage every six months.
• Flushing the system with vinegar or a descaling solution every six months to remove mineral buildup.

Cleaning and Inspection

Another important aspect of preventive maintenance is cleaning and inspection. This includes:

• Cleaning the burner and flame sensor annually to ensure proper operation.
• Checking the water pressure and temperature regularly to ensure that they are within the recommended range.
• Inspecting the heat exchanger for signs of corrosion or damage annually.
• Checking the gas supply and pressure regularly to ensure that they are within the recommended range.

By following these preventive maintenance tasks, you can avoid encountering Navien Error Code 003 and keep your tankless water heater running smoothly for years to come.

At Wilson Plumbing, we are committed to providing the best plumbing, heating, cooling, and electric services in Northeast Ohio. Our experienced technicians can help you with all of your home comfort needs, including Navien tankless water heater maintenance and repair. Contact us today to schedule an appointment.

Professional Repair and Technician Intervention

If you have attempted to troubleshoot your Navien tankless water heater and are still experiencing error code 003, it may be time to call in a professional technician. While some minor issues can be resolved with basic troubleshooting, more complex issues require the expertise of a professional.

When to Call a Professional

If you have attempted to resolve the issue on your own and are still experiencing error code 003, it is time to call in a professional technician. Additionally, if you are uncomfortable working with gas lines or electrical components, it is best to leave the repair to a trained professional.

What to Expect During a Service Call

When you call in a professional technician to repair your Navien tankless water heater, they will begin with a thorough inspection of the unit. This will include checking for any signs of damage or wear and tear, as well as testing the gas supply and electrical components.

Once the technician has identified the issue, they will provide you with a detailed explanation of the problem and the recommended repair. This may include replacing damaged components, cleaning the unit, or commissioning a new unit altogether.

At Wilson Plumbing, we understand the importance of having a functioning water heater in your home. That's why we offer professional plumbing services, including expert repair and installation of Navien tankless water heaters. Our trained technicians have the knowledge and experience to resolve any issue with your Navien unit quickly and efficiently. Trust us to get your water heater up and running again in no time.

Additional Error Codes and Solutions

Common Navien Tankless Water Heater Error Codes

Aside from error code 003, there are several other Navien tankless water heater error codes that you may encounter. Here are some of the most common ones and their solutions:

• E110: This error code indicates a problem with the heat exchanger. It is recommended that you contact a professional plumber to diagnose and fix the issue.
• E001: This error code indicates a problem with the ignition. Check that the gas valve is open and that the gas pressure is correct. If the problem persists, contact a professional plumber.
• E004: This error code indicates a problem with the flow sensor. Check that the water pressure is correct and that the flow sensor is not clogged. If the problem persists, contact a professional plumber.
• E012: This error code indicates a problem with the flame rod. Check that the flame rod is clean and that the gas pressure is correct. If the problem persists, contact a professional plumber.
• E030: This error code indicates a problem with the heat exchanger outlet temperature sensor. Check that the sensor is properly connected and that the wiring is not damaged. If the problem persists, contact a professional plumber.
• E046: This error code indicates a problem with the inlet water temperature sensor. Check that the sensor is properly connected and that the wiring is not damaged. If the problem persists, contact a professional plumber.
• E060: This error code indicates a problem with the fan motor. Check that the fan motor is properly connected and that the wiring is not damaged. If the problem persists, contact a professional plumber.

Advanced Troubleshooting for Other Errors

If you encounter an error code that is not listed above, there are some advanced troubleshooting steps that you can take before contacting a professional plumber. Here are some tips:

• Check the power supply: Make sure that the unit is receiving power and that the circuit breaker has not tripped.
• Check the gas supply: Make sure that the gas valve is open and that the gas pressure is correct.
• Check the water supply: Make sure that the water pressure is correct and that the water filter is not clogged.
• Reset the unit: Try resetting the unit by turning off the power and then turning it back on again.

If none of these steps resolve the issue, it is recommended that you contact a professional plumber to diagnose and fix the problem.

At Wilson Plumbing, we are the best option for plumbing, heating, cooling, and electric in Northeast Ohio. Our team of certified professionals has the knowledge and experience to diagnose and fix any issue with your Navien tankless water heater. Contact us today for all your plumbing needs.