MarelliMotori D-Vo Light Manuel D'utilisation page 52

The Alarms column indicates any tripping of protection devices, while the warning column indicates any tripping of
limiters.
The following is the full list:
ALARMS
POE (IGBT overcurrent)
EEPROM error
Exciter field overvoltage
Exciter field overcurrent
Generator overvoltage
Generator undervoltage
Generator overcurrent
Loss of sensing (LOS)
Diode failure - low level
Diode failure - high level
Auxiliary supply OFF
The alarm remains active until both the following conditions are met:
•
the cause of the protection tripping is removed;
•
an alarm RESET is performed.
This applies both when the D-Vo unit is supplying excitation (START active) and when it is not (STOP active or
shutdown state), in the letter case with the auxiliary supply installed.
The warning remains active until the condition that triggered it is no longer true.
9638571A0_C
WARNINGS
Underfrequency limiter
Overexcitation limiter (OEL)
Underexcitation limiter (UEL)
Apparent power under minimum 2% nom
D-Vo Light – Marelli Motori
EN 52