UPS user manual
Manuel de l’utilisateur de l’ASI
Utilizzo dell’UPS
OMW07104 REV.A
55
Alarm
A41
RECT ERROR LOOP
Description
The control is not able to regulate the rectifier output voltage precisely.
Possible
causes
Regulation system failure.
Solutions
Reset the system.
If the alarm persists, contact our Technical Support Service.
Alarm
A42
RECTFIER RED. LOST
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.
Possible
causes
The total load exceeds the maximum allowed value.
Possible failure on the measuring circuit.
Solutions
Verify the load supplied by the system.
If the alarm persists contact our Technical Support Service.
Alarm
A44
DESATURATION (NOT AVAILABLE)
Description
The inverter is blocked due to the operation of the desaturation sensor of the
IGBT drivers.
Possible
causes
Inverter bridge fault.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A46
PAR LOST REDUND
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.
Possible
causes
The total load is higher than the maximum expected value.
Possible failure on the measuring circuit.
Solutions
Check the load fed by the system.
If the alarm persists, contact our Technical Support Service.
Alarm
A47
SEND PARAM ERROR
Description Internal
error.
Possible
causes
Microcontroller communication problems.
Solutions
Contact our Technical Support Service.
Содержание BSK93
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