Riello UPS Sentinel Dual (High Power) (3.3 - 10 kVA) - Manual (Page 61)

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ROBLEM SOLVING
PROBLEM POSSIBLE CAUSE SOLUTION
THE BUZZER SOUNDS
CONTINUOUSLY AND THE
DISPLAY POSTS ONE OF
THE CODES: A54, F50, F51,
F52, F55, L50, L51, L52
THE LOAD APPLIED TO THE
UPS IS TOO HIGH
Lower the load to inside the 100% threshold (or user
threshold in case of code A54).
THE DISPLAY SHOWS
CODE: A61
BATTERIES NEED TO BE
REPLACED
Replace the battery pack with a new one (as indicated in
the chapter BATTERY PACK).
THE DISPLAY SHOWS
CODE: A62
BATTERY PACK MISSING
OR NOT CONNECTED
Check that the battery pack is inserted and connected
correctly (see the chapter BATTERY PACK).
THE DISPLAY SHOWS
CODE: A63
BATTERIES ARE
DISCHARGED; THE UPS IS
WAITING FOR THE
BATTERY VOLTAGE TO
EXCEED THE SET
THRESHOLD
Wait for the batteries to recharge or manually force
switching-on by holding the “ON” button down for at
least 2 sec.
THE BUZZER SOUNDS
CONTINUOUSLY AND THE
DISPLAY POSTS ONE OF
THE CODES: F03, F05, F07,
F10, F13, F21, F40, F41, F42,
F43
A UPS MALFUNCTION IS
TAKING PLACE;
SHUTDOWN IMMINENT
If it is possible to power down the load, switch off the
UPS and switch it on again; if the problem occurs again,
contact the service centre.
THE BUZZER SOUNDS
CONTINUOUSLY AND THE
DISPLAY POSTS ONE OF
THE CODES: F04, L04
TEMPERATURE OF THE
HEAT SINKS INSIDE THE
UPS IS TOO HIGH
Check that the UPS surrounding ambient temperature is
not in excess of 40°C.
THE BUZZER SOUNDS
CONTINUOUSLY AND THE
DISPLAY POSTS ONE OF
THE CODES: F53, L53
FAULT DETECTED ON ONE
OR MORE LOADS POWERED
BY THE UPS
Disconnect all the loads and connect them up again one
by one to identify the faulty one.
THE BUZZER SOUNDS
CONTINUOUSLY AND THE
DISPLAY POSTS ONE OF
THE CODES: F60, L03, L05,
L07, L10, L13, L20, L21,
L40, L41, L42, L43
A UPS MALFUNCTION HAS
OCCURRED
If it is possible to power down the load, switch off the
UPS and switch it on again; if the problem occurs again,
contact the service centre.
THE DISPLAY SHOWS ONE
OF THE CODES: C01, C02,
C03
A REMOTE COMMAND IN
PROGRESS
If undesired, check the position of the manual bypass
switch or status of the control inputs of an optional
contacts card.