LEGRAND UPS - Page 58

UPS user manual
Manuel de l’utilisateur de l’ASI
Utilizzo dell’UPS
58 OMG38225 REV. B
Alarm
A51
BATT TEMPERATURE
Description The battery temperature is out of tolerance. This alarm is only active
when the temperature probe is installed and enabled on the battery.
Possible
causes
 Anomalous temperature in the battery cabinet.
 Possible failure on the measuring circuit.
Solutions 1. Check the temperature on the batteries and remove the cause of
the alarm, if any.
2. If the alarm persists, 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.