LEGRAND KEOR HPE 60 kVA Operating Manual page 1273

Alarm A5
Description The measured DC voltage is out of tolerance.
Possible
causes
Solutions
Alarm A6
Description The rectifier voltage is reduced to start a short controlled discharge of the
battery.
Possible
causes
Solutions
Alarm A7
Description The battery isolator is open.
Possible
causes
Solutions
Alarm A8
Description The battery is discharging.
Possible
causes
Solutions
48 OMW07104 REV. A
UPS user manual
Manuel de l'utilisateur de l'ASI
Utilizzo dell'UPS
DC VOLTAGE FAULT
 The battery has reached the discharge voltage due to a power failure.
 Measuring circuit failure.
Check the actual value of the measured DC voltage.
In case of mains failure, wait for the AC voltage to be restored.
Check which alarms are present and carry out the indicated
procedures.
Restart the device.
If the alarm persists, contact our Technical Support Service.
BATTERY IN TEST
 A battery test has been started automatically (if set), or manually by
the user.
Wait for the test to end, and check possible battery faults.
BCB OPEN
 Battery isolator open.
Check the status of the battery isolator.
Check the functionality of the auxiliary contact of the isolator.
Check the connection between the auxiliary contact of the isolator and
the auxiliary terminals of the UPS (if provided).
If the alarm persists, contact our Technical Support Service.
BATTERY DISCHARGE
 The battery is discharging due to a mains failure.
 Rectifier failure.
Check which alarms are present and carry out the indicated
procedures.
If the alarm persists, contact our Technical Support Service.