Navien Tankless Water Heater Standby Mode

Navien Tankless Water Heater Standby Mode

This is an explanation guide on Navien Tankless Water Heater Standby Mode. What I will break down in this article: 

  • What is stand-by mode on a Navien tankless water heater?
  • How to reset your Navien Tankless Water Heater?

To discover the answer to these questions, keep scrolling. 

Table of Contents

What Is Standby Mode On Navien Tankless Water Heater?

Standby is a feature on the Navien Tankless Water Heater. This allows your water heater to stand by until you switch the Power to On or Off. When the unit activates this mode, your water heater will not work and the display shows the WAIT code while the unit is powered On or Off. 

Note: This is only applicable (Wait code will be displayed) for the models with cascade systems. 

Your Navien Tankless Water Heater generally gets into the stand-by mode if you use too much hot water or the unit exceeds the usage demands. Turns out, the tankless water heater will get stuck into the stand-by mode if the water temperature crosses its safety level. 

Resetting the water heater will help you deactivate the stand-by mode. In the next chapter, I will describe how to reset a Navien tankless hot water heater. 

How Do I Reset My Navien Tankless Water Heater?

It’s a piece of cake to reset the Navien tankless water heater compared to other tankless hot water heaters in the market. 

Just press the Back button on the front panel of your Navien Tankless Water Heater and it will reset your water heater. 

There are also other two resetting methods you can try to reset the tankless unit successfully. 

First, if you have a GFI on the outside which you use to plug-in the power cord of the tankless unit, just disconnect the cord from the power. It will automatically reset the unit. 

Second, if you have a direct connection, just go to the breaker box and flip the breaker for the water heater to the off position. Then, wait 30 seconds and restore the power supply by turning the breaker to the on position. It will also reset your tankless water heater properly. 

FAQs

Why is my Navien water heater not heating?

Your Navien Water Heater won’t heat the water if the air intake filter gets clogged. Besides, a dirty burner, defective flow sensor, damaged wiring, and improper gas supply or pressure can also cause the tankless water heater to not heat the water.

Why is my tankless water heater not turning on?

You can’t turn on your tankless water heater if you plug it into a defective electric outlet or the unit gets insufficient voltage. Turns out, no gas flowing to the unit, bad PC board, or shorted wiring can prevent the unit from turning on. 

Is there a reset button on my tankless water heater?

Yes, there is a reset button on a Navien tankless water heater like other tankless hot water heaters in the market. You can find it on the front panel, which is actually the Back button. 

What temperature should a Navien tankless water heater be set at?

Every tankless water heater, whether it’s from Navien or other brands, should be set at 120-degree to avoid the scalding damage.

How long do Navien tankless water heaters last?

A Navien Tankless Water Heater will serve you up to 20 years if you maintain it by following the manufacturer guideline.

How often should you flush a Navien tankless water heater?

It depends on the water condition of your area. Generally, you should flush your Navien tankless unit once a year. But you must flush the water heater every six month if you live in a hard water area. 

End-Note

The Standby feature on Navien Tankless Water Heater will allow the system to stand by until its power is switched to On or Off. When this unit activates this feature, your water heater will not function at all. You can’t bring the water heater back to normal condition unless you reset it. 

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