Operating instructions

61
EN
Alarm
Possible cause
Remark / Action
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
An alarm triggers
when the difference
between the ground
and neutral voltage
>15 V.
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 pg. 57.
Output Overload
(Alarm #25)
Intermittent Alarm
The load level is at
or has exceeded the
configurable threshold
limit for a Overload
condition.
The UPS can support
the load indefinitely at
this load level.
The alarm clears when
the load drops below
5% of the set point.
Battery DC Over
Voltage
(Alarm #68)
Intermittent Alarm
The battery voltage
level has exceeded
the maximum
allowable limits.
The uninterruptible
power supply turns off
the charger until the
next power recycle.
Contact your service
representative.