Section III
Operation
Page 3.6
BP
II S, 3.00
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ALM – ALARM
INP – AC Input Failure
LBT – Low Battery Voltage
BYP – Transferred to Bypass
OVL – UPS Overload
N/A – Not Available
BATT – Battery Not Available
XFR
– Transfer Not Available
RXFR – Retransfer Inhibited
Description for each alarm condition is provided in Paragraph 3.4.1.
3.4.2.2
Alarm History
This is a sequence of entries showing as
many as the last 1500 alarm and status conditions
that have occurred. To see them all, scroll through
the list depressing the
or
button successively
(see paragraph 3.6.2).
On this screen the letters are read as follows:
xx = month yy = day of the month uu = hour (on the 24–hour clock)
vv = minutes of the hour ww = seconds
tttt = alarm sequence number. 0 is most recent. Press
to scroll from a
higher number to 0 or press
to scroll from 0 to a higher number.
*
The identity of the alarm is abbreviated on the screen. The full identification of each
and corrective action are given in Table 3–2.
3.4.2.3
Input Voltage
This is a readout of input voltage between phases.
—and—
This is a readout of input voltage phase to neutral.
ALM: INP LBT BYP OVL
N/S BSTT XFR RXFR
xx/yy uu:vv:ww tttt
Alarm identity*
Input Vab Vbc Vca
Input Van Vbn Vcn
