Why does my Navien water heater keep shutting off?

a dirty cold water inlet filter. flow-sensor damage or problem. improperly installed or too-short venting pipes. wrong size gas lines installed (on gas tankless water heater)

How do you troubleshoot a Navien water heater?

Navien NPE Error Code E012

1. Check if the main gas valve is open.
2. Check the intake air filter.
3. Check the power supply.
4. For your safety and the health of your equipment, Call or Contact Hot Water Now!
5. Verify the incoming gas pressure.
6. Check the ground wire.
7. Tighten the ground terminals on the heat exchanger.

What does E003 mean on navien npe-240a?

Hi – I have a relatively new (month or two) Navien NPE-240A. In the last week I’ve twice had it give no hot water. I inspected the unit and it said “E003” which means “ignition failure”.

Why do I keep getting error code E003 on my navvien 240A?

Excellent-thanks Jerry-I’ll do that within the hour-problem is I won’t know if it fixes the problem until a day, a week, every time I shut down the unit and unplug it or reset it the problem clears, then comes back randomly within a week or so

What does error code mean on navien water heater?

Each error code leads to different operating problems so that users can quickly fix the heater themselves. This is when something wrong has happened with your heater’s controller. You’d better call the professionals!

Is the navvien NPE 240A ignition transformer faulty?

No-the only thing I’ve done inside the unit itself is clean the air filter on top left, flush the whole system clean and cleaned the water intake filter I purchased a new igniter, ignition transformer and gas valve from navien thinking one of these could be faulty??

Hi – I have a relatively new (month or two) Navien NPE-240A. In the last week I’ve twice had it give no hot water. I inspected the unit and it said “E003” which means “ignition failure”.

What does error code e004 mean on navien water heater?

E004. This error means false flame detection. For troubleshooting, first make sure that ground wire is connected and check the igniter whether there is spark present. E007. The error means hot water outlet, or the thermistor open. To solve, check the thermistor and if it is requires, replace the thermistor. E008.

Excellent-thanks Jerry-I’ll do that within the hour-problem is I won’t know if it fixes the problem until a day, a week, every time I shut down the unit and unplug it or reset it the problem clears, then comes back randomly within a week or so

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.