After installation, configure the package at Services > UPS.
Visit the NUT Package forum thread for assistance with this package.
If NUT will not start after configuration, it may be due to incorrect settings.
The package GUI is unable to validate combinations of settings to ensure they
are viable. Check the System log from the GUI from Status > System Logs for
log entries starting with
nut:. The culprit is likely explained there, such
as selecting a cable for a driver type that does not need (nor permit) the cable
If the system log does not offer adequate information, for example if it prints a generic error such as:
nut: Service failed to start: check configuration
Log in via SSH and choose option
8 and run the following command:
Configuration errors will be displayed in the output if any are found.
The pfSense-packages Redmine project contains a list of known issues with this package.