Riello UPS Sentinel Dual (Low Power) (1000 - 3000 VA) - Manual (Page 27)

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PROBLEM POSSIBLE CAUSE SOLUTION
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE FOLLOWING
CODES: A54, F50, F51,
F52, F55, L50, L51, L52
Reduce the load to within the threshold of 100% (or user
threshold in the case of code A54).
THE LOAD APPLIED TO
THE UPS IS TOO HIGH 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 centre for battery replacement.
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.
THE DISPLAY SHOWS
THE FOLLOW CODE: A62
THE BATTERIES ARE FLAT;
THE UPS IS WAITING FOR
THE BATTERY VOLTAGE
TO EXCEED THE SET
THRESHOLD
Wait until the batteries have recharged or force power-
on manually by holding down the “ON” button for at least
2 seconds.
THE DISPLAY SHOWS
THE FOLLOW CODE: A63
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE FOLLOWING
CODES: F03, F05, F07,
F13, F21, F40, F41, F42,
F43
THE UPS IS
MALFUNCTIONING; IT WILL
PROBABLY LOCK SOON
If possible, disconnect the power to the load, switch the
UPS off and back on again; if the problem occurs again,
call the support centre.
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE FOLLOWING
CODES: F04, L04
THE TEMPERATURE OF
THE DISSIPATORS INSIDE
THE UPS IS TOO HIGH
Check that the temperature of the environment in which
the UPS is located does not exceed 40°C.
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE FOLLOWING
CODES: F53, L53
THERE IS A FAULT ON ONE
OR MORE OF THE
UTILITIES POWERED BY
THE UPS
Disconnect all the utilities, switch the UPS off and back
on again, reconnect the utilities one at a time to identify
which one is faulty.
THE BUZZER SOUNDS
CONTINUOUSLY AND
THE DISPLAY SHOWS
ONE OF THE FOLLOWING
CODES: F60, L03, L05,
L07, L13, L20, L21, L40,
L41, L42, L43
If possible, disconnect the power to the load, switch the
UPS off and back on again; if the problem occurs again,
call the support centre.
THE UPS IS
MALFUNCTIONING
THE DISPLAY SHOWS
ONE OF THE FOLLOWING
CODES: C01, C02, C03
A REMOTE COMMAND IS
ACTIVE
If unwanted, check the status of the command inputs on
any optional contact card.
THE DISPLAY SHOWS
C02
THE MANUAL BYPASS
FUNCTION IS ACTIVE
To exit manual bypass mode, press the ON+SEL
buttons at the same time for at least 4 seconds.
ATTENTION:
The UPS in case of a permanent failure will be not able to supply the load. To ensure total protection of
your equipment we suggest you install an ATS device (Automatic Transfer Switch) or an external automatic
by-pass.
For more information visit www.riello-ups.com