LEGRAND KEOR HPE Manuel De Fonctionnement page 221

Alarm A35
Description The UPS is supplied by the diesel generator.
Possible  The auxiliary contact which activates the diesel generator connected
causes
Solutions 1. Wait for the diesel generator to stop as soon as the mains voltage is
restored.
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.
Possible  Battery fault.
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.
Possible  Temporary changeover due to bypass line failure.
causes
Solutions 1. Verify the status of the bypass line and check whether other alarms
are present.
2. If the alarm persists, contact our Technical Support Service.
Alarm A39
Description The control is not able to regulate the inverter voltage precisely.
Possible  Regulation system failure.
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
to the UPS is closed, and imposes this operating mode.
diesel generator start, to terminals XD1/XD2.
DC FASTSHUTDOWN
INV --> LOAD
INV ERROR LOOP
UPS user manual
Utilizzo dell'UPS
OMG38225 REV.F 55