What does e03 mean on a tankless water heater?

What does e03 mean on a tankless water heater?

Power interruption during Bath Fill
03. Power interruption during. Bath Fill (Water will not flow when power returns). Turn off all hot water taps.

How do you clear the error code on a Navien tankless water heater?

To troubleshoot and fix Navien error code E030, switch the unit off for 30 seconds and then power it back on. Check the strainer and the heat exchanger. Clean the strainer and flush the heat exchanger if needed. The unit will cease working if the exhaust temperature exceeds 230°F (110 °C) for more than 10 seconds.

Why is my Navien water heater not working?

The issue is most likely the flow sensor inside the unit is not spinning properly. We recommend opening and closing the pressure relief valve (should be located near the outlet of the unit). Depending on amount of debris affecting the flow sensor, this may help temporary.

How long do Navien tankless water heaters last?

Tankless water heaters provide a continuous supply of hot water, and they use about as much energy as a light bulb. Navien tankless gas water heaters are well-known for their reliability and efficiency. These devices can last upwards of 25 years if properly maintained and installed by professionals in the industry.

How long is navien warranty?

Subject to the foregoing terms, Navien will repair or replace the covered Product or any part or component that is defective in materials or workmanship for a period of five (5) years in regard to parts and up to fifteen (15) Years in regard to the heat-exchanger for a Standard¹ or Controlled-Recirculation² …

How often should you service your Navien tankless water heater?

once a year
Tankless water heaters should be maintained by a professional at least once a year. But, you may need to get your water heater twice a year if… We’ll go into more detail about these 2 points later and why tankless water heaters need maintenance in the first place.

What is the warranty on a Navien tankless water heater?

This 15 year limited warranty on heat exchangers, 5 year limited warranty on parts, and 1 year limited-labor warranty (“Warranty”) covers defects in materials or workmanship when the Navien NPN Water Heater (“Product”) is installed by a properly licensed plumber or contractor and operated in strict compliance with the …

How often should you flush a Navien tankless water heater?

Tankless water heaters should be flushed out every year to 2 years.

How often should I flush my Navien water heater?

Tankless water heaters will build up calcium and debris on the elements and the filters inside the machine. It’s important to perform a flush with food-grade, white vinegar at least once every 12 to 18 months. Performing this simple maintenance will improve the efficiency and life of your water heater.

How often should Navien tankless water heaters be serviced?

every year to 2 years
Tankless water heaters should be flushed out every year to 2 years.

What’s the warranty on a Navien tankless water heater?

Why is my tankless water heater not staying hot?

Check the gas valve and ensure that it is open, and that you have paid your gas bill. Check all sensors, wiring fuses, and electrical components to ensure they have not burned out. Ensure there is no condensation or debris on the burners that may cause them to not ignite.

How do you troubleshoot a tankless water heater?

Here are the things to fix if your water is getting too hot:

  1. Stop overloading the system by using too many taps at once.
  2. Reset your water heater thermostat to around 120 F.
  3. Reposition your temperature sensor to get a more accurate reading.
  4. Clean your tankless water heater’s inlet filter.
  5. Again, clear any blockages.

Why does my tankless water heater keep going cold?

A broken flow sensor can cause your tankless water heater to run hot and cold. The flow sensor measures the water entering your system and sends that information to your unit’s control board. If there’s a burst of cold coming into the system, then the controller adjusts the flame.