Njoy Ranger 30KR User Manual page 47

SELFTEST
This function is only effective when UPS type setting is "HV". Therefore,
please disconnect all loads and utility first before executing this function.
Connect Bypass input L1, L2, L3 to Main input L1, L2, L3 respectively.
Then, please change UPS type to "HV". For the detailed operation, please
check "System Parameter" menu under Advance Maintainer directory.
After changing UPS type to "HV", you have to restart the UPS. After
the UPS is restarted, please enter Advance screen and enter Maintainer
password. It will show "SELFTEST" selection in the screen. In the screen,
all tested items are shown "unknown". Simply click "START" button, the
UPS will start self-test. If the UPS is normal, it will show "Normal" in all
columns. Otherwise, "Unknown" will be displayed in the columns. After
testing is complete, the screen will become black. Otherwise, "Unknown"
will be displayed in the columns to show test failure.
3.2.5 Information screen
Touch the icon to enter information page. There are three sub-
menus: BASIC, RATED and PARAMETER. Touch the icon to return to
main screen. Touch the icon to go back to previous menu.
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