Initiating a self-test – HP Tower Uninterruptible Power System User Manual
Page 41
UPS operations 41
In Configure mode, the LED front panel display changes function to enable modification of the UPS
parameters. Each LED is associated with a different parameter.
Available settings
Parameter
Associated LED
Explanation (when LED is illuminated)
Nominal voltage
setting
100/204 Nom Self Test
Nominal output voltage is 100 V for a low
voltage model and 204 V for a high voltage
model
110/220 Nom Battery Fault
Nominal output voltage is 110 V for a low
voltage model and 220 V for a high voltage
model
120/230 Nom Site Wiring Fault
Nominal output voltage is 120 V for a low
voltage model and 230 V for a high voltage
model
127/240 Nom Overtemperature
Nominal output voltage is 127 V for a low
voltage model and 240 V for a high voltage
model
Wiring fault setting
Wiring fault
Overload
Audible alarm will sound when ground is
missing or line and neutral connections are
reversed
NOTE:
For high voltage UPSs, the Site Wiring Fault function is disabled by default, but can
be manually enabled.
To change the UPS configuration parameters:
1.
Place the UPS in Configure mode (on page
The LEDs associated with the currently configured parameters illuminate. A flashing cursor indicates
where you are in the configuration process as you scroll through the available settings.
2.
Press the On button to scroll through the options. Each time the On button is pressed, the audible
alarm sounds.
3.
If the On button is pressed and the UPS does not respond, the UPS is in Operate mode (on page
). Start over with step 1.
4.
Press the Off button once to toggle the selected option on or off.
5.
Repeat steps 2 and 3 for each option.
6.
To save the configuration settings and exit Configure mode, press and hold the Test/Alarm Reset
button for 3 seconds.
NOTE:
Configure mode times out after 2 minutes of inactivity. If the Test/Alarm Reset button
has not been pressed, any new selections are not saved.
For the location of buttons, see "UPS front panel controls (on page
)."
For the location of LEDs, see "UPS front panel LED indicators (on page
)."
Initiating a self-test
To initiate a self-test, press and hold the Test/Alarm Reset button ("
" on page
for three seconds.
If the UPS detects a problem, the appropriate LED ("
UPS front panel LED indicators
" on page
illuminates and an audible alarm may sound.