Vacon NX - Page 52

Fault codes and software
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FIGURE 12. Fault code F10
F10 INPUT LINE SUPERVISION
Voltages,
OK?
NO
YES
Check for possible internal
failures in the inverter.
F10 displayed.
Check logged
data in
fault history.
Measure
mains voltage
at mains
terminals
External reason
activeted the fault. Too
low voltage for a longer
time.
Check if
fuses are
blown.
Did you find
blown fuses?
YES
NO
Root cause might be
component failure or caused
by voltage dips in the mains.
Were there
broken parts?
Internal fault. Check
mains supervision.
NO
Replace
broken
parts.
YES