Navien Tankless Water Heater: Factory reset the panel and main controller
Factory reset the panel and main controller on a Navien tankless water heater: Resets the panel and main controller parameters from the installer menu.
Applies to: Navien NPE-A2 (built-in recirculation) and NPE-S2 condensing tankless water heaters: NPE-150S2, NPE-180A2/S2, NPE-210A2/S2, NPE-240A2/S2
How to fix factory reset the panel and main controller: step by step
- Hold Menu and Back together for 3 seconds.
- Open 1. Installer Menu (password 1234).
- Choose 6. Factory Reset.
If the unit shows an error code, look it up: Navien Tankless Water Heater codes
Models
NPE-150S2NPE-180A2NPE-180S2NPE-210A2NPE-210S2NPE-240A2NPE-240S2
Source: Navien NPE-A2/S2 Installation Manual, 7.4.2 p.95-96; 7.5 p.98-99, p.105-107. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.