Borri INGENIO PLUS - Page 138

UPS user manual
Utilizzo dell’UPS
32 OMS02083 REV. A
The failure conditions which impose a manual reset are:
 Static switch re-transfer block (alarm A17)
 Inverter shutdown due to the operation of the IGBT desaturation sensor (alarm A44)
 Inverter shutdown due to short-circuit timeout (alarm 12)
 Inverter shutdown due to thermal image protection (alarm 21)
 Inverter shutdown due to the operation of the quick disconnect sensor (alarm A36)
 Inverter shutdown due to voltage control loop error (alarm A39)
 Booster shutdown due to voltage control loop error (alarm A41)
 Booster shutdown due to current control loop error (alarm A43)
 Static switch blocked (alarm A50)
 Booster shutdown due to the operation of the load symmetry sensor (alarm A33)
 Activation of the battery fault alarm (alarm A10)
 Scheduled maintenance request (alarm A29).
For a description of the UPS status in each of the failure conditions listed above, please refer
to the “Faults and alarms” section.
6.9 ALARMS HISTORY RESET
Access the RESET HISTORY menu.
Loss of data
The alarms history contains very important data to monitor the device behaviour over
time. We recommend to save the data before deleting it.