LEGRAND KEOR HP Série Manuel De L'utilisateur page 43

Alarm A5
Description The measured DC voltage is out of tolerance.
 The battery has reached the discharge voltage due to a power
Possible
causes
 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
4. Restart the device.
5. If the alarm persists, contact our Technical Support Service.
Alarm A6
Description The rectifier voltage is reduced to start a short controlled discharge of
the battery.
 A battery test has been started automatically (if set), or manually
Possible
causes
Solutions 1. Wait for the test to end, and check possible battery faults.
Alarm A7
Description The battery isolator is open.
 Battery isolator open.
Possible
causes
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
4. If the alarm persists, contact our Technical Support Service.
Alarm A8
Description The battery is discharging.
 The battery is discharging due to a mains failure.
Possible
causes
 Rectifier failure.
Solutions 1. Check which alarms are present and carry out the indicated
2. If the alarm persists, contact our Technical Support Service.
Manuel de l'utilisateur de l'UPS
DC VOLTAGE FAULT
failure.
procedures.
BATTERY IN TEST
by the user.
BCB OPEN
and the auxiliary terminals of the UPS (if provided).
BATTERY DISCHARGE
procedures.
UPS user manual
Utilizzo dell'UPS
OMD10074 REV. C 43