LEGRAND KEOR HPE 60 Manuel De Fonctionnement page 289

Alarm A41
Description The control is not able to regulate the rectifier output voltage precisely.
 Regulation system failure.
Possible
causes
Solutions
Alarm A42
Description This alarm can be activated by EEPROM setting only on systems with
COMMON BATTERY. The continuity is not guaranteed in case of failure of
one of the rectifiers.
 The total load exceeds the maximum allowed value.
Possible
causes
 Possible failure on the measuring circuit.
Solutions
Alarm A44
Description The inverter is blocked due to the operation of the desaturation sensor of the
IGBT drivers.
 Inverter bridge fault.
Possible
causes
1. Reset the system.
Solutions
2. If the alarm persists, contact our Technical Support Service.
Alarm A46
Description This alarm is only active on PARALLEL systems. Continuity is not ensured
in the event of a fault on one of the UPS units.
 The total load is higher than the maximum expected value.
Possible
causes
 Possible failure on the measuring circuit.
Solutions
Alarm A47
Description Internal error.
 Microcontroller communication problems.
Possible
causes
Solutions
Manuel de l'utilisateur de l'ASI
RECT ERROR LOOP
Reset the system.
If the alarm persists, contact our Technical Support Service.
RECTFIER RED. LOST
Verify the load supplied by the system.
If the alarm persists contact our Technical Support Service.
DESATURATION (NOT AVAILABLE)
PAR LOST REDUND
Check the load fed by the system.
If the alarm persists, contact our Technical Support Service.
SEND PARAM ERROR
Contact our Technical Support Service.
UPS user manual
Utilizzo dell'UPS
OMW07104 REV.A 55