Resetting The Boiler (Factory Reset) - Navien NCB-24LSWE Service Manual

4.4.13 Resetting The Boiler (Factory Reset)

To resolve some error conditions, reset the boiler by
pressing [Reset].
If the problem is unresolved after resetting the boiler, refer
to the Troubleshooting section of this manual or contact a
TAS.
1. In <Power off mode>, press and hold
[ECO]+[Summer/Winter]+[S.H]+[DHW] buttons for
more than 5 sec to initialise the system to the factory
default settings. The boiler will display 'INIT' for 5 sec
and then start in <Normal operation mode>..
2. Reset Value:
Command Description
Factory Displays for
Reset 5 sec
56 NCB Service Manual
Display
Version 1.0