What does E 003 mean on a Navien tankless water heater?

Error Code E003. What it Means: Ignition failure in your tankless water heater. How to Fix: Confirm the main gas supply valve is open. Error Code E004. What it Means: False flame detection.

How to reset a Navien tankless water heater?

To turn the water heater on or off, press the Power button. When the power is on, the temperature will appear on the front panel display. If an error message appears, you can try resetting the water heater to resolve the problem. To reset the water heater, press the Reset button.

How to fix Navien error code 438?

Navien error code E016 means the heat exchanger is overheating. To fix and troubleshoot Navien error code E016, switch the unit off for 30 seconds and then back on. Check and clean the cold water filter and strainer, and flush the heat exchanger. Check the high limit switch, the 3-way valve, and the PCB.

Is there an error code on my navien tankless water heater?

Like any other water heater, sometimes you may experience a problem with your Navien tankless water heater. When an issue arises, your Navien will likely display an error code on the LCD display on the front of the unit.

What kind of water heater does navien make?

Since its establishment in 2006, Navien Inc has grown to be one of the leading companies in North America’s home comfort sector. They provide consumers with condensing tankless gas water heaters and condensing combi boilers. Their products use state-of-the-art technology and have high efficiency and reliable quality.

Where can I get a navien error code?

Get a free estimate online from top local home service pros in your area. There are a large number of unique Navien error codes that help with troubleshooting the issue. Some problems can be solved with simply resetting the water heater unit (press the Reset button on the front panel) but other require more work.

Are there any condensing Tankless gas water heaters?

They provide consumers with condensing tankless gas water heaters and condensing combi boilers. Their products use state-of-the-art technology and have high efficiency and reliable quality. But although their products are built to such standards, this doesn’t mean you won’t run into certain issues like not finding the water hot enough.