Problem Solving - Riello Dialog Plus Serie Manual De Usuario

Very often incorrect UPS operation is not caused by a fault but by common problems, difficulties or
carelessness.
The table below gives some useful information to help the user solve the most frequent problems.
PROBLEM
THE DISPLAY PANEL
DOES NOT LIGHT UP
THE PANEL IS ON BUT
THE LOAD IS NOT
POWERED
THE UPS IS IN BATTERY
MODE EVEN THOUGH
MAINS POWER IS
AVAILABLE
A CONTINUOUS BEEP
SOUNDS AND THE LOAD
INDICATOR IS ALL LIT UP
"BATTERY FAILURE"
APPEARS ON THE
DISPLAY
A CONTINUOUS BEEP
SOUNDS AND THE LED
PANEL SHOWS ONE OF
THE INDICATIONS LISTED
IN THE "FAULTS TABLE"
POSSIBLE CAUSE
THE POWER CABLE IS NOT
CONNECTED
NO MAINS POWER (BLACK-
OUT)
INPUT THERMAL
PROTECTION IS ACTIVE
UPS IN STANDBY MODE
THE LOAD IS NOT
CONNECTED
INPUT THERMAL
PROTECTION ACTIVE
THE INPUT VOLTAGE IS
OUTSIDE THE ACCEPTED
VALUES FOR OPERATION
OFF MAINS POWER
THE LOAD CONNECTED TO
THE UPS IS TOO HIGH
THE BATTERIES MUST BE
REPLACED
A FAULT HAS BEEN FOUND
ON ONE OR MORE LOADS
POWERED BY THE UPS
A MALFUNCTION HAS
OCCURRED
SOLUTION
Check that the power cable is connected correctly.
Check that there is voltage in the socket to which the
UPS is connected (try with a table lamp)
Reset the protection by pressing the button on the rear
of the UPS (CIRCUIT BREAKER).
N.B.: Check that there is no UPS output overload.
Press the ON button on the front panel to power the
loads.
Check the connection to the load.
Reset the protection by pressing the button on the rear
of the UPS (CIRCUIT BREAKER).
N.B.: Check that there is no UPS output overload.
Mains power problem. Wait until the input voltage
returns to acceptable limits; the UPS will automatically
return to mains power mode.
Reduce the load so that it falls within the 102%
threshold.
Contact the Technical Support centre
Disconnect all the loads and reconnect them one at a
time to identify the faulty load.
If possible disconnect the load, switch the UPS off and
on again. If the problem remains, call the Technical
Support centre.
P
ROBLEM SOLVING
55