LEGRAND BSK93, Operating Manual

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UPS user manual
Manuel de l’utilisateur de l’ASI
Utilizzo dell’UPS
OMP06263 REV. B 61
Alarm A50 CURRENT INVERTER SATURED
Description The inverter current sensor has detected a peak of the current and the
control inverter is in limitation.
Possible
causes
 Load problem.
 Measuring circuit failure.
Solutions 1. Check the loads connected to the UPS output.
2. If the alarm persists, contact our Technical Support Service.
Alarm A51 BATTERY 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.
3.
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.