QA

Quick Answer: How To Reset Navien Tankless Water Heater

To reset the boiler, press the Reset button on the front panel. If resetting the boiler and attempting the remedies suggested below do not resolve the problem, contact Navien Technical Assistance Service (TAS) or a Gas Safe Registered Engineer. No water comes out when the hot water tap is opened.

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.

Where is the reset button on a tankless water heater?

The red button on the water heater is where the reset button is located. There are two buttons for each thermostat in some water heaters. The metal plate that holds the thermostat in place may have to be removed to access the reset button.

Do all tankless water heaters have a reset button?

Your water heater may be giving you an error code that tells you what the problem is. 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.

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.

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.

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).

Why is my tankless water heater not heating water?

The Air Supply or Exhaust Is Blocked At times, your exhaust or air supply might get blocked, which can cause your tankless water heater to stop heating. Many water heaters will automatically shut off as a way to protect the appliance and help prevent other safety hazards that could result.

How do I reset my thermostat?

Reset the Thermostat The method to reset your thermostat will vary depending on the model. Common methods for resetting a thermostat include installing the battery backward for five seconds, pushing a recessed reset button with a pin or paper clip, or shutting off the breaker to the thermostat for 30 seconds.

Where is the reset button on a navien water heater?

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

Do tankless water heaters have fuses?

If you have an electric tankless water heater, check your breaker box. It’s likely that you blew a fuse on the outlet. If you have a gas water heater, make sure the gas supply is turned on for the water heater. If everything looks like it’s supposed to, call your plumber and let them inspect the unit.

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 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.

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”.

Do you have to relight hot water heater after power outage?

Gas water heaters utilize a continuously running pilot light and should work in a power outage. Electric is hooked up to the gas water heater in order to create the spark for the pilot light to activate. However, once the pilot light is lit, it will continue to burn.