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PerfectPower Eliminazione dei guasti
93
11 Eliminazione dei guasti
I
NOTA
La tensione di uscita ad onda quadra può essere misurata corret-
tamente solo con uno strumento che fornisce un tipo di misurazio-
ne true RMS.
Guasto Causa Eliminazione
Tensione di uscita assente Nessun contatto alla batteria Controllare il contatto e il
cavo.
Se necessario inserire
l’accensione.
Sovraccarico termico Disinserire le utenze.
Lasciare raffreddare l’inverter
e migliorare l’aerazione.
Eventualmente diminuire il
carico permanente.
Tensione di ingresso troppo
alta
Controllare la tensione di
ingresso all’inverter e
confrontarla con i dati tecnici
dell’inverter.
Fusibile difettoso (nell’inverter
o nel veicolo)
Sostituzione del fusibile con
un fusibile con le stesse
specifiche.
Apparecchio guasto Sostituire l’apparecchio.
L’apparecchio si inserisce e
disinserisce ciclicamente
Carico permanente eccessivo Ridurre il carico.
Inserendo l’utenza l’inverter
viene disinserito
Corrente di avvio eccessiva Confrontare la potenza
dell’utenza con la potenza
massima dell’inverter.
Tensione d’uscita troppo
bassa
Tensione di batteria inferiore al
vaolre di disinserimento (vedi
“Spegnimento per
sottotensione” nel “Specifiche
tecniche” a pagina 95)
Caricare la batteria (avviare il
motore).
93


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