Status Messages; Low Priority Alarm Messages - GE NetPro Series User Manual

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3.4.2.1 Status messages

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3.4.2.2 Low priority alarm messages

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OPM_NPE_XXX_2K0_4K0_1GB_V040
Normal operating mode: the mains input voltage is present.
During a power failure, i.e. whenever the mains input voltage is outside
the input voltage range, the UPS uses the energy stored in its internal
battery. The remaining runtime, displayed in the default screen, counts
down until either the mains returns or the batteries are empty. See also
3.5.
Bypass mode: the load is directly connected to the mains supply. See
also 3.3.4
First line: 'error'
Second line: specified as indicated below
The battery voltage exceeds 13.8Vdc/battery. If this is not caused by an
external battery charger, contact your dealer.
The operating temperature can rise intolerably as a result of:
! extreme environmental temperature
! lack of proper ventilation
! overload
When the alarm 'temperature' is generated (low priority, red LED 'alarm'
is out), check these conditions to avoid a further rising of the
temperature which might result in a transfer to bypass, a UPS shut down
or damage to the UPS.
Either the batteries are almost chemically worn out or the battery wiring,
including the battery fuse, is faulty. If the batteries are aged, they must
be replaced as soon as possible to ensure full protection for your
equipment (see section 6.2). Perhaps the 'replace battery' alarm occurs
after a manual test which you started immediately after installation or
after a power failure. In this case the alarm may be incorrect as the
batteries have been (partly) discharged during transport/storage or
during the power failure. Allow the UPS to recharge the batteries.
The mains voltage or mains frequency are outside bypass input
tolerance but inside UPS input tolerance (see chapter 8). Bypass
operation is inhibited: if for whatever reason the UPS is not able to
deliver the required output, output power is lost. If the input frequency is
often out of tolerance – during which bypass operation is inhibited and
an alarm is generated – it may be useful to disable the bypass function
after which the unit operates as a UPS without automatic bypass switch.
NetPro 3000/4000 only: The programmable outlet (4a, fig. 1) is
switched off. For more information see section 3.4.3 'PROG. OUTLET'.
The input voltage is out of tolerance (see chapter 8)
The UPS is still on-line but the incoming mains voltage dropped
(instantaneously) below 187Vac. The alarm will only occur at loads less
than 100%, as at full load the UPS switches to battery operation if the
incoming mains voltage drops below 187Vac (see chapter 8 'input
specifications'). The alarm lasts at least 15 seconds, regardless the
duration of the alarm situation. This alarm is not supported by the
buzzer.
8
GE Digital Energy
NetPro 2000-4000: user manual 4.0 (GB)