LEGRAND VR61-18 Manuel De L'utilisateur page 55

Alarm A35
Description The UPS is supplied by the diesel generator.
➢ The auxiliary contact which activates the diesel generator
Possible
causes
Solutions 1. Wait for the diesel generator to stop as soon as the mains
2. Check the connection of the auxiliary contact which signals the
3. If the alarm persists, contact our Technical Support Service.
Alarm A36
Description Inverter shutdown due to the operation of the protection sensor as a
result of sudden DC voltage variations.
➢ Battery fault.
Possible
causes
Solutions 1. Check the battery.
2. Reset the system.
3. If the alarm persists, contact our Technical Support Service.
Alarm A38
Description The load is fed by the inverter. This alarm is active for UPS systems in
"ECO" mode, where the preferential supply is from the bypass line.
➢ Temporary changeover due to bypass line failure.
Possible
causes
Solutions 1. Verify the status of the bypass line and check whether other
2. If the alarm persists, contact our Technical Support Service.
Alarm A39
Description The control is not able to regulate the inverter voltage precisely.
➢ Regulation system failure.
Possible
causes
Solutions 1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Manuel de l'utilisateur de l'ASI
DIESEL MODE
connected to the UPS is closed, and imposes this operating
mode.
voltage is restored.
diesel generator start, to terminals XD1/XD2.
DC FASTSHUTDOWN
INV --> LOAD
alarms are present.
INV ERROR LOOP
UPS user manual
Utilizzo dell'UPS
OMP06145 REV. D 55