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TROUBLESHOOTING
Irregular UPS operation is most likely not an indication of a fault but due to simple problems or distraction.
It is therefore advisable to consult the table below carefully as it summarizes information which is useful for solving the
most common problems.
PROBLEM
POSSIBLE CAUSE
SOLUTION
THE DISPLAY DOES NOT
LIGHT UP
ON/OFF SWITCH NOT
PRESSED
Press the ON/OFF switch on the front panel.
MAIN CONNECTION CABLE
MISSING
Check that the power cable is connected correctly.
NO MAINS VOLTAGE
(BLACKOUT)
Check that the power reaches the socket where the UPS
is connected (try it with a table lamp, for example).
INTERVENTION OF THE
INPUT CIRCUIT BREAKER
If present, reset the circuit breaker by pressing the
button on the back of the UPS.
CAUTION: Check that there is no output overload to the
UPS.
THE DISPLAY IS ON BUT
THE LOAD IS NOT
POWERED
THE UPS IS IN STAND-BY
MODE
Press the “ON” button on the front panel to power the
loads.
THE STAND-BY OFF MODE
IS SELECTED
It is necessary to change mode.
The STAND-BY OFF (emergency power supply) mode,
in fact, only powers the loads in the event of a blackout.
NO CONNECTION TO THE
LOAD
Check the connection to the load.
THE UPS IS OPERATING
FROM THE BATTERY
DESPITE THE PRESENCE
OF MAINS VOLTAGE
THE INPUT VOLTAGE IS
OUTSIDE THE PERMITTED
TOLERANCE RANGE FOR
MAINS OPERATION
Problem with the mains. Wait until the input mains
voltage returns within the tolerance range. The UPS will
automatically return to mains operation.
INTERVENTION OF THE
INPUT CIRCUIT BREAKER
If present, reset the circuit breaker by pressing the
button on the back of the UPS.
CAUTION: Check that there is no output overload to the
UPS.
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE FOLLOWING
CODES:
F50, L50
THE LOAD APPLIED TO
THE UPS IS TOO HIGH
Reduce the load to within the threshold of 100%.
If the display shows a lock:
remove the load and switch the UPS off and back on
again.
THE DISPLAY SHOWS
THE FOLLOW CODE:
A61
REPLACE THE BATTERIES Contact the support center for battery replacement.
THE DISPLAY SHOWS
THE FOLLOW CODE:
A62
BATTERIES MISSING OR
BATTERY BOX MISSING OR
NOT CONNECTED
On the versions with an additional battery charger in
place of the batteries, check that the Battery Box is
inserted and connected to the UPS correctly.