Problem Solving - Riello UPS SENTINEL DUAL SDL 5000 Manual De Usuario

P
ROBLEM SOLVING
Irregular functioning of the UPS is very often not an indication of a fault but due simply to trivial problems,
minor difficulties or carelessness.
We therefore recommend that you refer to the table below which gives a summary of useful information to
solve the most common problems.
PROBLEM
THE DISPLAY DOES NOT
SWITCH ON
THE DISPLAY IS ON BUT
THE LOAD IS NOT
POWERED
THE UPS IS OPERATING
FROM BATTERY EVEN
THOUGH THE MAINS
VOLTAGE IS PRESENT
THE UPS DOES NOT
SWITCH ON AND THE
DISPLAY SHOWS ONE OF
THESE CODES: A06, A08
THE DISPLAY SHOWS THE
CODE: A11
64
POSSIBLE CAUSE
GENERAL SWITCH NOT
PRESSED
THE BATTERY PACK
CONNECTOR IS
DISCONNECTED
NO CONNECTION TO THE
ELECTRICITY MAINS
MAINS VOLTAGE FAILURE
(BLACK-OUT)
UPSTREAM PROTECTION
TRIGGERED
THE UPS IS IN STAND-BY
MODE
STAND-BY OFF MODE HAS
BEEN SELECTED
NO CONNECTION TO THE
LOAD
UPSTREAM PROTECTION
TRIGGERED
THE INPUT VOLTAGE IS
OUTSIDE THE ALLOWED
TOLERANCE FOR
OPERATION FROM MAINS
THE TEMPERATURE OF THE
UPS IS LOWER THAN 0°C
INPUT RELAY BLOCKED
SOLUTION
Press the general switch located on the front panel.
Connect the battery pack connector by following the
instructions set out in the paragraph "REPLACING
THE BATTERY PACK".
Check the connection to the electricity mains.
Check the presence of the electricity mains voltage.
Reset the protection.
WARNING: Check that there is no overload in output
to the UPS.
Press the "ON" key located on the front panel to power
the loads.
The mode has to be changed.
The STAND-BY OFF mode (back-up) in fact only
powers the loads in the event of a black-out.
Check the connection to the load.
Reset the protection.
WARNING: Check that there is no overload in output
to the UPS.
Problem dependent on the mains. Wait for the input
mains to return within tolerance. The UPS will
automatically go back to operation from mains.
Check the temperature of the environment where the
UPS is located; if it is too low, bring it to above the
minimum threshold (0°C).
The fault does not cause any particular malfunctions. If
the problem should occur again on a subsequent start-
up, contact the support service centre.