Operating instructions

51
Alarm or Notice Possible cause Remark / Action
Service Battery
(Alarm #149)
Continuous Alarm
A
faulted battery string
has been detected and
as a result, the charger
is disabled.
Contact your service
representative.
Utility Not Present
(Alarm #59)
The utility power level
has fallen below the
Utility Not Present
threshold.
The uninterruptible
power supply transfers
to Battery mode if
supporting the load. The
uninterruptible power
supply shuts down if it is
not supporting the load.
Input AC Over
Voltage
(Alarm #6)
Intermittent Alarm
The utility power voltage
exceeds the maximum
operating range.
The uninterruptible
power supply transfers
to Battery mode if
supporting load.
Input AC Under
Voltage
(Alarm #7)
Intermittent Alarm
The utility power voltage
is below the minimum
operating range.
The uninterruptible
power supply transfers
to Battery mode if
supporting load.
Input Under/Over
Frequency
(Alarm #8)
Intermittent Alarm
The utility power
frequency is out of
usable frequency
range.
The UPS transfers to
Battery mode if
supporting load.
Site Wiring Fault
(Alarm #194)
Intermittent Alarm
A
n alarm t
r
iggers when
the difference between
the ground and neutral
voltage.
Have a qualified
electrician correct the
wiring problem. If the
uninterruptible power
supply is not wired with
a neutral wire, change
the Site Fault to
“disabled” in the
Settings menu.
Remote Emergency
Power Off
(Alarm #12)
Intermittent Alarm
The external contacts
in the rear of the
uninterruptible power
supply are configured
for remote emergency
power-off operation
and they are activated.
The UPS deenergizes
the load and enters
Standby mode. For
more information, see
“EPO (Emergency
Power Off)” in Chapter
8.4. on page 48.