ErrorHelp.us

Heating  Heating

Brand

Navien Navien List all brands

Type:

CH-240 ASME view CH-240 ASME List all types

Error code:

E003
List all errors


Error code: E003

Cause of error code E003

Ignition failure


 

Solution for error code E003

Check to see if the main gas supply valve is open.
Check that the power is “ON”.
Check the igniter for spark. 


Share this page: Facebook Twitter





© 2025 ErrorHelp.us