LEGRAND KEOR HPE Manuel De Fonctionnement page 220

Alarm A50
Description The inverter current sensor has detected a peak of the current and the
control inverter is in limitation.
Possible
 Load problem.
causes
 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
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  Anomalous temperature in the battery cabinet.
causes
 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
The inverter is blocked because of an anomaly on the control power
Description
supply.
Possible  Internal error.
causes
Solutions 1. Contact our Technical Support Service.
Alarm A53
Description The controller has detected an incompatibility in the control software.
Possible  The software update was not performed properly.
causes
Solutions 1. Contact our Technical Support Service.
Alarm A54
Description Internal error.
Possible  Microcontroller communication problems.
causes
Solutions 1. Contact our Technical Support Service.
Manuel de l'utilisateur de l'ASI
CURRENT INVERTER SATURED
BATTERY TEMPERATURE
UNDER VOLTAGE LOCKOUT
FIRMWARE ERROR
CAN ERROR
UPS user manual
Utilizzo dell'UPS
OMP06263 REV. B 61