Navien Tankless Water Heater Troubleshooting and Error Code Definitions
South End Plumbing, Heating, & Air Expert Tips
Navien Tankless Water Heater Troubleshooting & Error Code Look-Up
If you have a tankless water heater in Charlotte, NC, you’ve made a wise investment that will deliver endless hot water for years with proper maintenance. Modern tankless water heaters need far less in the way of maintenance and servicing than traditional water heaters. They do still have that needed maintenance and will occasionally have errors that need attention. The Charlotte plumbers at South End Plumbing services all brands, but for this article we’re focusing on our house brand, Navien tankless water heater troubleshooting because the self diagnostics tool provides codes that makes it easier to diagnose problems.
There’s a reason we carry and install Navien tankless water heaters. Navien tankless water heaters are self diagnosing, meaning it is equipped with a self-diagnostic tool that continuously monitors if the unit is not functioning properly. When fault is out of tolerance, the unit displays an error code. Using the Navien this tankless water heater error code guide, you can quickly determine what the problem is and if you need a plumber to service the unit or if it can be fixed on your own. Interested in having a Navien water heater installation in Charlotte? Give us a call today!
Navien Tankless /Water Heater Error Codes
How to Fix: Confirm the main gas supply valve is open.
How to Fix: Confirm properly grounded electrical cord.
How to Fix: Confirm properly grounded electrical cord. Inspect and clean intake air filter.
Error Code E016
What it Means: Overheated heat exchanger.
How to Fix: Turn off the water heater for 30 minutes and restart. Inspect and clean the filter in cold water inlet. Flush the heat exchanger.
Error Code E030
What it Means: Exhaust overheating. The unit will shut down when the temperature in the flue exceeds 149° Fahrenheit (65° Celcius).
How to Fix: Turn off the water heater for 30 minutes and restart. Inspect and clean the filter in cold water inlet. Flush the heat exchanger.
Error Code E046
What it Means: Abnormality in limit control.
How to Fix: Call technical support (800-519-8794).
Error Code E047
What it Means: Abnormality in exhaust thermostat.
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Inspect and clean the intake air filter.
Error Code E110
What it Means: Abnormality in air pressure.
How to Fix: Confirm there are no obstructions in the exhaust pipe. Inspect and clean intake air filter.
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Confirm all water supply and return lines are open. Check direction of the internal 2-way valve.
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Confirm proper grounding of electrical cord.
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
How to Fix: Call technical support (800-519-8794).
If you have any problems with your tankless water heater in Charlotte, even if it’s not a Navien brand, we are just a click away. Also if you would like to upgrade to a Navien tankless water heater – give us a call! South End Plumbing is one of the only companies that will give you a free estimate. We will also move an existing water heater if needed. Call us today!