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Robert BenitezAug 28, 2025
What does error E110 mean on my Navien Boiler?
- NNicholas JohnsonAug 28, 2025
If your Navien Boiler displays error code E110, which indicates that the exhaust vent is closed, try a manual reset or a power on reset.
What does error E110 mean on my Navien Boiler?
If your Navien Boiler displays error code E110, which indicates that the exhaust vent is closed, try a manual reset or a power on reset.
What should I do if my Navien NBH Boiler is showing error E030?
If your Navien Boiler displays error code E030, which indicates abnormal exhaust temperature, try an auto reset, a manual reset, or a power on reset.
What does it mean when my Navien NBH Boiler displays error E012?
If your Navien Boiler displays error code E012, which indicates flame loss, try a manual reset or a power on reset.
What to do if my Navien NBH Boiler shows error E016?
If your Navien Boiler displays error code E016, which indicates heat exchanger overheat, try a manual reset or a power on reset.
What should I do if my Navien Boiler displays error E003?
If your Navien Boiler shows the error code E003, which indicates an ignition failure, you should try a manual reset or a power on reset.
What to do if my Navien NBH shows error E001?
If your Navien Boiler displays error code E001, which indicates a heat exchanger over temperature issue, try an auto reset, manual reset, or power on reset.
Why is the space heating not working on my Navien NBH Boiler?
If the space heating isn't working on your Navien Boiler, first ensure the temperature setting isn't too low. Then, check that the boiler has power and isn't in standby mode by verifying it's plugged into an outlet with the correct voltage and that the power is on. Also, the heating side won't function while the unit is heating domestic hot water (DHW).
What does error E740 mean on my Navien Boiler?