LEGRAND UPS - Page 57

UPS user manual
Manuel de l’utilisateur de l’ASI
Utilizzo dell’UPS
OMG38225 REV.B
57
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 1. Check the load fed by the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A47
SEND PARAM ERROR
Description Internal error.
Possible
causes
 Microcontroller communication problems.
Solutions 1. Contact our Technical Support Service.
Alarm
A48
RCV PARAM ERROR
Description Internal error.
Possible
causes
 Microcontroller communication problems.
Solutions 1. Contact our Technical Support Service.
Alarm
A49
TEST MODE ERROR
Description Internal error.
Possible
causes
 Microcontroller communication problems.
Solutions 1. Contact our Technical Support Service.
Alarm
A50
SSW BLOCKED
Description The static switch is blocked. The load is no longer supplied.
Possible
causes
 Loads failure.
 Possible UPS fault.
Solutions 1. Check the loads for possible failures.
2. Reset the system.
3. If the alarm persists, contact our Technical Support Service.