30
®
6. Troubleshooting
Problems
Solutions
When the UPS is switched on, the buzzer sounds
and the red warning light makes alternating
short-long flashes, then the UPS switches off
after 15 seconds.
The connection of the neutral conductor is wrong:
invert the power supply plug, or invert the connections of
the neutral and phase input leads, or exclude the neutral
sensor.
The UPS works but a short beep is heard every
12 seconds and the yellow warning light is lit
without flashing.
- Check power is present at the mains outlet.
- Check that the UPS power supply cable is correctly
inserted in both the mains outlet and in the connector on
the UPS itself.
- Check the fuse located at the side of the input/output
connector under the plastic housing (refer to fig.1 or 4)
The UPS works but it beeps intermittently and the
red warning light and the yellow warning light are
flashing.
There is an overload on the UPS output. Reduce the quantity
of appliances connected so that the load does not exceed
the maximum power that the UPS can supply. Alternatively,
if the UPS is not in its maximum configuration, you can ask
your Service Centre to increase the power of your UPS
by fitting extra power boards and relative batteries
inside the UPS cabinet.
The UPS beeps continuously and the yellow
warning light flashes for about 15 seconds, after
which the UPS switches off.
The UPS has completely flattened its batteries; it can only
start up again when the mains input line is present. Check
the magneto-thermal or differential switches that precede
the UPS and the input fuse
The UPS works but the green warning light is
flashing quickly.
The mains supply is out of the limits permitted for the
voltage and/or frequency, but it can still be used by the UPS.
However, the by-pass function is not operational.
The UPS beeps intermittently and the red warning
light is flashing quickly.
The thermal protection has been tripped.
Switch the UPS off and wait for a few minutes so that the
internal temperature of the UPS can get back to normal.
Check that the fans operate correctly and that the relative
airflow is not obstructed (e.g. if the UPS is too close to a wall).
There is a fault on one of the internal circuits.
Contact your service centre.
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