ErrorHelp.us

Heating  Heating

Brand

Navien Navien List all brands

Type:

CH-210 ASME view CH-210 ASME List all types

Error code:

E040
List all errors


Error code: E040

Cause of error code E040

Outdoor Temperature Sensor – short (display only computer board)

Solution for error code E040

Check Outdoor sensor.
Replace.


Share this page: Facebook Twitter





© 2025 ErrorHelp.us