44
OMD94016 REV. C
Alarm
A5
DC VOLTAGE FAULT
Description The measured DC voltage is out of tolerance.
Possible
causes
•
The battery has reached the discharge voltage due
to a power failure.
•
Measuring circuit failure.
Solutions
1) Check the actual value of the measured DC voltage.
2) In case of mains failure, wait for the AC voltage to be
restored.
3) Check which alarms are present and carry out the
indicated procedures.
4) Restart the device.
5) If the alarm persists, contact our Technical Support
Service.
Alarm
A6
BATTERY IN TEST
Description
The rectifier voltage is reduced to start a short controlled
discharge of the battery.
Possible
causes
•
A battery test has been started automatically (if set), or
manually by the user.
Solutions
1) Wait for the test to end, and check possible battery faults.
Alarm
A7
BCB OPEN
Description The battery isolator is open.
Possible
causes
•
Battery isolator open.
Solutions
1) Check the status of the battery isolator.
2) Check the functionality of the auxiliary contact of the
isolator.
3) Check the connection between the auxiliary contact
of the isolator and the auxiliary terminals of the UPS
(if provided).
4) If the alarm persists, contact our Technical Support
Service.
Summary of Contents for UPS 10 kVA
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