Navien Error Codes and Troubleshooting solutions for Navien tankless systems. E00 Water is boiling in the Heat Exchanger, 1. Apr 20- A list of all Navien tankless water heater error codes and the. Navien CH-1Manual Online: Troubleshooting, Error Code List.
Dec 20- Navien CH-2Knocking and error code 16. The gauntlet for e0can be a few things. Overheating error code might be a false error. Oct 20- Installation location and type.
Error code, if any appears on the front panel display. Navien Tankless Combi Heater, E0error. I am having lots of problems with this unit and the installers keep saying everything is working fine.
I am passing along a list of NAVIEN error codes – please look them over and let me know back if you were. Marc the plumber : The code should be E00 I am not sure if this is what you intended or if your unit is older than what my info is giving but this is a low pressure .