Timothy GinnThe Navien 515-09 error code indicates an abnormality with the PCB (Printed Circuit Board) of your Navien water heater’s control system. This error code points to a malfunctioning pressure sensor, which is responsible for detecting the water pressure.
If you are experiencing this error, you may need to replace the PCB or contact Navien tech support for further assistance. It is important to ensure proper function of the electrical cord, visually inspect the PCB, igniter, fan, and dual venturi, and replace the PCB if necessary to resolve the error.
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Common Causes Of Error Code 515-09
If you are experiencing error code 515-09 on your Navien water heater, it is important to identify the cause of the issue so that you can address it properly. This error code typically indicates a problem with the Printed Circuit Board (PCB), which is a critical component of the heater’s control system. Below, we will explore some common causes of error code 515-09 and the associated issues:
Clogged Air Vent
A clogged air vent can prevent proper ventilation and airflow, leading to error code 515-09. When the air vent is clogged, the heater may not be able to ignite or maintain a steady flame. It is important to clean the air vent to ensure proper functioning of the heater.
Damaged Gas Valve
If the gas valve is damaged or malfunctioning, it can disrupt the flow of gas to the burner, resulting in error code 515-09. A damaged gas valve may need to be repaired or replaced by a professional to resolve the issue.
Gas Supply Interruption
An interruption in the gas supply can cause the heater to fail in igniting, leading to error code 515-09. This interruption can be due to issues with the gas line, such as a leak or low gas pressure. It is essential to check the gas supply and address any issues to ensure proper functioning of the heater.
Dirty Burners
Accumulation of dirt, debris, or soot on the burners can hinder the ignition process, resulting in error code 515-09. Regular cleaning and maintenance of the burners can help prevent this issue. It is recommended to schedule professional cleaning or follow the manufacturer’s instructions for cleaning the burners.
Damage Flow Sensor
A damaged flow sensor can fail to detect the flow of water, causing the heater to shut down and display error code 515-09. It is necessary to inspect the flow sensor and replace it if it is damaged. Consulting a professional technician is recommended for flow sensor replacement.
By identifying and addressing the common causes of error code 515-09, you can ensure the proper functioning of your Navien water heater. Regular maintenance and prompt resolution of these issues can help prevent future error codes and prolong the lifespan of your heater.
How To Troubleshoot Error Code 515-09
Are you experiencing the Navien 515-09 error code on your water heater? Don’t worry, we’ve got you covered. In this section, we will walk you through the troubleshooting steps to fix this error and get your water heater up and running smoothly.
Step 1: Ensure electrical cord is properly grounded
The first thing you should check is the grounding of the electrical cord. A loose or improperly grounded cord can cause the 515-09 error code to appear. Make sure the cord is securely connected and properly grounded.
Step 2: Visually inspect the PCB
Next, visually inspect the Printed Circuit Board (PCB) for any visible signs of damage or loose connections. The PCB is a crucial component of your Navien water heater’s control system, and any abnormalities can trigger the error code. If you notice any issues, it may be necessary to replace the PCB.
Step 3: Inspect the igniter and connection
Now, focus your attention on the igniter and its connection. A faulty igniter can prevent the water heater from igniting, leading to the 515-09 error code. Check for any dirt or debris that may be obstructing the igniter’s functionality. Ensure the connection is secure and free from any corrosion or damage.
Step 4: Inspect the fan and connection
The fan plays a crucial role in the operation of your Navien water heater. If the fan is not functioning properly, it can trigger the 515-09 error code. Inspect the fan for any obstructions or signs of damage. Make sure the connection is secure and free from any loose connections or corrosion.
Step 5: Inspect the dual venturi and connection
The dual venturi is responsible for regulating the flow of air and gas in your Navien water heater. A faulty or damaged dual venturi can cause the 515-09 error code to appear. Check for any blockages or obstructions in the venturi. Inspect the connection for any loose fittings or signs of corrosion.
Step 6: Replace PCB if necessary
If you have followed all the previous steps and are still experiencing the 515-09 error code, it may be necessary to replace the PCB. A malfunctioning PCB can cause various issues in your water heater’s control system, including the appearance of this error code. Consult a professional or the manufacturer for guidance on replacing the PCB.
Error code 515 09 on a Navien tankless heater indicates an issue with the Printed Circuit Board (PCB). Check the electrical outlet, inspect the PCB, igniter, fan, and dual venturi. Replace the PCB if necessary.
To fix Navien error 515, follow these steps: 1. Check the outlet and ensure the electrical cord is properly grounded. 2. Visually inspect the PCB (Printed Circuit Board) for any abnormalities. 3. Inspect the igniter and its connection. 4. Inspect the fan and its connection.
5. Inspect the dual venturi and its connection. 6. If necessary, replace the PCB. This error may be caused by a clogged air vent, damaged gas valve, gas supply interruption, dirty burners, or a damaged flow sensor. If cleaning your heater doesn’t fix the problem, contact a professional for assistance.
Navien error code 015 indicates an abnormality with the Printed Circuit Board (PCB) in your Navien water heater. Inspect the PCB, igniter, fan, and dual venturi for any issues. If needed, replace the PCB.
Conclusion
To troubleshoot the Navien 515-09 Error Code, several steps can be taken. First, make sure the electrical cord is properly grounded and inspect the PCB, igniter, fan, and dual venturi for any damage or loose connections. If necessary, the PCB may need to be replaced.
If the issue persists, it could be due to a clogged air vent, a damaged gas valve, gas supply interruption, dirty burners, or a damaged flow sensor. If cleaning the heater doesn’t resolve the problem, it is recommended to seek professional assistance.
The Navien 515-09 Error Code indicates a malfunctioning pressure sensor, which is responsible for detecting pressure. The Printed Circuit Board (PCB) is also a critical component that should be inspected if this error occurs. For further support, Navien tech support and online resources can provide additional information on Navien error codes and troubleshooting.
