Initiating a self-test – HP Tower Uninterruptible Power System User Manual

Page 41

Advertising
background image

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

39

).

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

38

). 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

8

)."

For the location of LEDs, see "UPS front panel LED indicators (on page

8

)."

Initiating a self-test

To initiate a self-test, press and hold the Test/Alarm Reset button ("

UPS front panel controls

" on page

8

)

for three seconds.
If the UPS detects a problem, the appropriate LED ("

UPS front panel LED indicators

" on page

8

)

illuminates and an audible alarm may sound.

Advertising