BY
35
S / BY
50
S / BY
80
S / BY
120
S
4
23
This test performs a failure diagnosis on the unit and performs a test to check for battery deteriora-
tion.
(This test is more accurate than the self-diagnostic test.)
This test is performed automatically. (You do not have to perform any special operations.)
The test is performed at intervals of 4 weeks after the AC Input Plug is connected to a wall outlet
(commercial power).
The test is not performed if the power switch is OFF or if the battery is not fully charged.
(1) When the auto battery test starts, the Battery Mode automatically starts (Status indicator “
” ). (No
beep sounds.) After the auto battery test is complete, the normal operation automatically starts.
(2) If the status indicator/battery replacement lamp blinks and the beeper sounds:
See also
"3-3 Interpreting beeps and displays"
➛
Page 23
Follow the directions for the solutions described in “4. Displays and beeps when there is an
equipment failure” and “5. Display and beep for battery replacement”.
ON DIP
1 2
5 6
7
8
3 4
Setting switch
ON
ON side
OFF side
1. Selecting functions with the DIP switch
This test can also be performed manually.
Press and hold the Beep Stop/Test Switch of the UPS for 10 second or longer.
When the beeper changes from intermittent beeps to a sustained beep, release the switch.
After changing the setting switch, disconnect the AC input plug, wait until the
status indicator is completely OFF, and then reinsert the AC input plug.
●
The setting switch changes do not become valid until the AC input plug is reinserted.
• Use a fi ne-pointed tool such as a small screwdriver to maneuver the switch’s lever.
4-3
Description of the auto battery test function
4-4
Changing the setting of the functions
Caution
The setting switch on the Front of the UPS allows you to select the "disable the auto battery test" set-
ting.
See also
"4-4 Changing the setting of the functions"
➛
Page 24
See “Setting for whether or not to perform battery test.”
