UPS user manual
Manuel de l’utilisateur de l’ASI
Utilizzo dell’UPS
58
OMG38225 REV. F
Alarm
A52
UNDER VOLTAGE LOCKOUT
Description
The inverter is blocked because of an anomaly on the control power supply.
Possible
causes
Internal error
Solutions
1. Contact our Technical Support Service.
Alarm
A53
FIRMWARE ERROR
Description
The controller has detected an incompatibility in the control software.
Possible
causes
The software update was not performed properly.
Solutions
1.
Contact our Technical Support Service.
Alarm
A54
CAN ERROR
Description Internal
error.
Possible
causes
Microcontroller communication problems.
Solutions
1.
Contact our Technical Support Service.
Alarm
A55
PAR CABLE DISC
Description
Parallel cable doesn't communicate.
Possible
causes
Parallel cable disconnected or damaged.
Solutions
1.
Check the connection of cable
2.
Contact our Technical Support Service.
Alarm
A56
MAINS UNBALANCE
Description
The rectifier input voltage is unbalanced.
Possible
causes
Problems on the LV or MV distribution network
Defect of the measuring circuit
Solutions
1.
Check the input voltage
2.
Contact our Technical Support Service.
Alarm
A59
BACKFEED RELAY ON
Description
The backfeed protection has been activated. Alarms present only in the
history log.
Possible
causes
Problems on the bypass static switch
Solutions
1.
Check the static switch thyristors
2.
Contact our Technical Support Service.
Содержание BSK93
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