QA

Question: How To Reset A Navien Tankless Water Heater

To reset the boiler, press the Reset button. If resetting the boiler does not solve the problem, refer to the Troubleshooting section of this manual or contact a Technical Assistance Service. To exit the Information mode, press the Reset button.

How do I reset my Navien tankless?

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 do you restart a tankless water heater after a power outage?

To get this back into action, you need to reset it and bring it down to zero. After this, you have to wait for a couple of minutes and chances are it will start working. If the tankless water heater is not working after this, chances are you have to replace the thermostat due to malfunction.

Why is my Navien tankless water heater not working?

What should I do? 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.

Why am I not getting hot water from my tankless water heater?

Because tankless units only heat water as it’s needed, running too many hot water appliances at the same time could mean the unit just can’t keep up. On the other hand, your “no hot water” problem could be cause by a bigger issue such as: Plugged heat exchanger (due to hard water) A blocked vent/air intake.

Where is the reset button on a Navien?

To reset the boiler, press the Reset button on the front panel.

What temperature should Navien be set at?

Hot water temperatures over 125°F can cause severe burns instantly or death from scalding. O With the Navien Water Heaters, the temperature has been preset at the factory to 120°F (NR, NR-A), 140°F (NP, NP-A).

What does the reset button do on a hot water heater?

Your water heater reset button is a safety device that shuts off power to your water heater when the water temperature inside it exceeds 180 degrees Fahrenheit. Side note: the reset button is also sometimes referred to as the ECO (emergency cut off) switch or “high limit safety thermostat switch”.

How long does it take to get hot water after reset?

Once you’ve reset the system, you have to wait for hot water (unless you have an on-demand water heater), but for how long? It depends on the size of the tank, but with any unit, you should be able to get in a hot shower with gas water heaters within 30-40 minutes and with electric tanks, about 60-90 minutes.

Where is the reset button on the water heater?

Somewhere on your electric water heater, you’ll find a reset button. It’s usually red and often located near the thermostat. It may also be hidden behind a removable metal panel on the unit—and then behind some insulation. Once you find the button, push and release it.

How do you troubleshoot a Navien water heater?

Navien NPE Error Code E003 Check if the manual gas valve is open. Check the main gas supply. For your safety and the health of your equipment, Call or Contact Hot Water Now! Verify that gas pressure is within operating range. Check Dual Venturi for proper operation. Check DIP Switch settings. Check if the igniter is sparking.

Does a Navien tankless water heater have a pilot light?

This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. BEFORE OPERATING smell all around the appliance area for gas.

Why does my tankless water heater go 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.

How do you unfreeze a tankless water heater?

Guide to Thaw A Tankless Water Heater Turn off the gas or water supply going to the tankless water heater if you’ve deduced that the whole unit has frozen over (if thawing frozen pipes did not make the heater working). Make the space warm to melt the frozen water. Trickle your water heater as the frost begins melting.

How do I reset navien error code?

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.

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.

What temperature should my tankless water heater be on?

You’ll want to shoot for 100-115 degrees Fahrenheit for your water to be heated. If your groundwater temperature is 60 degrees and you want your shower at 110 degrees, that’s going to be a 50-degree rise.

Do tankless water heaters have a reset button?

To prevent accidental resets, tankless water heaters are designed to prevent accidental resets, so you are probably going to have to hold the button down to get the reset to trigger.