Operation

Delay

This refers to the time in seconds that must occur before the UPS recognizes an alarm function. The delay can be anywhere from 0 to 99.9 seconds in 0.1 second intervals. If an alarm is set to Latch, it will only recognize the alarm and latch after the delay period.

Figure 71 Alarm / fault name screen

ALARM / FAULT NAME

ALARM / FAULT NAME

L D F E

BATT. FUSE FAIL BATT. LOW TRANSFER DC OV TRANSIENT INPUT PHASE ROT ERROR RECTIFIER FUSE FAIL RECTIFIER DRIVE 1 FAIL

Y Y YN NY Y Y Y Y Y Y Y Y Y N N N Y Y Y Y Y Y Y Y Y

UP DOWN SELECT EXIT

DESCRIPTION: L - Latching...D - Dial...

The Alarm / Fault Name Screen can be accessed from the Configuration Screen (Figure 40) by high- lighting Alarm Mask and pressing SELECT.

When the Alarm / Fault Name Screen is displayed, the highlighted alarm will be flashing. (In the fig- ure above, BATT. FUSE FAIL will be flashing.) The DESCRIPTION at the bottom of the screen defines the letters L, D, F, and E. The DESCRIPTION scrolls from right to left, allowing the Operator to see the entire list of features.

The Operator can determine the status of the Latching, Dial, Freeze and Event Log Mask, and change certain attributes by following these steps.

NOTE

When additional navigational choices (UP, DOWN, and SELECT) appear at the bottom of the display screen, the customary rules change slightly.

1.Select the alarm to be viewed.

a.To scroll down the list, highlight DOWN on the display screen and press the SELECT button. Continue pressing SELECT until the appropriate alarm is moved to the top position on the screen. Then use the arrow keys to highlight SELECT on the display screen. Press the SELECT navigation button to bring up the Edit screen below.

b.To scroll up the list, highlight UP on the display screen and proceed as in a.

2.After editing the first alarm, select the next alarm to be viewed, and proceed as in the steps above.

Figure 72 Alarm edit screen

ALARM / FAULT NAME

BATTERY FUSE FAIL

LATCHING

YES

DIAL

YES

FREEZE

NO

EVENT LOG

YES

 

 

SAVE & EXIT

 

CANCEL

 

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Image 59
Liebert 30-130kVA manual Alarm / Fault Name Battery Fuse Fail, Alarm / Fault Name F E, UP Down Select Exit