LEGRAND KEOR HPE 100 kVA Manuel De Fonctionnement page 203

Alarm A61
The alarm is activated when the DC voltage exceeds 910 V (455 V for each
Description
capacitors bank). The alarm must be manually reset by display
 Rectifier shuts down (alarm A3)
Possible
causes
 Inverter shuts down (alarms A13 and A25) and remains blocked
 Load is transferred to bypass (alarm A16)
1. Test the parallel operation and check the synchronisation
Solutions
2. Check the correct operation of the static switch.
3. Contact our Technical Support Service.
Alarm A62
Description Sudden increase of the AC input voltage (fast sensor)
 Voltage spike on the AC mains.
Possible
causes
 Possible internal fault.
1. Check the mains voltage.
Solutions
2. If the alarm persists, contact our Technical Support Service.
Alarm A63
During the UPS start-up a failure prevented the proper execution of the
Description
sequence.
 Control devices in wrong position or operated improperly.
Possible
causes
 Possible internal fault.
1. Make sure the position of the control devices (isolators, selectors) is
Solutions
as specified in the procedures (see "Installation and start-up" section).
2. If the alarm persists, contact our Technical Support Service.
Alarm A64
Description Sudden drop of the AC input voltage (fast sensor)
 Voltage drop on the AC mains (brown-out).
Possible
causes
 Possible internal fault.
1. Check the mains voltage.
Solutions
2. If the alarm persists, contact our Technical Support Service.
Manuel de l'utilisateur de l'ASI
MAX VDC
parameters.
MAINS OVERVOLTAGE
START SEQ BLOCK
MAINS UNDERVOLTAGE
UPS user manual
Utilizzo dell'UPS
OMG38225 REV.F 59