
UPS user manual
104
Rev.A 05/15/2012
Alarm
A38
INV --> LOAD
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
causes
Temporary changeover due to bypass line failure.
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
INV ERROR LOOP
Description
The control is not able to regulate the inverter voltage precisely.
Possible
causes
Regulation system failure.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A40
SSI FAULT
Description
The system has detected a failure in the static inverter switch.
Possible
causes
Possible problems on the loads.
Static switch fault.
Solutions
1. Check the absorption of the loads and the presence of DC
components, if any, on AC current.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A41
RECT ERROR LOOP
Description
The control is not able to regulate the rectifier output voltage precisely.
Possible
causes
Regulation system failure.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A43
CURR ERROR LOOP
Description
The control is not able to regulate the rectifier output current precisely.
Possible
causes
Regulation system failure.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Содержание PEGASUS II 10 KVA
Страница 1: ...OPERATING MANUAL UPS PEGASUS II 10 20 30 40 kVA Rev A 05 15 2012 ...
Страница 2: ......
Страница 126: ...126 Rev A 06 01 2012 ...
Страница 127: ...Rev A 06 01 2012 127 ...
Страница 128: ...128 Rev A 06 01 2012 ...