Siemens 350 Manuel D’Utilisation
Alarm and fault messages
4.2 Alarm and fault messagesAlarm and fault messagesAlarm and fault messages
4.2 Alarm and fault messagesAlarm and fault messagesAlarm and fault messages
28
92
DC overvoltage protection has
responded (or fuse (if installed) has
tripped)
Fault Overvoltage
(lightning strike) has occurred
93
Fast Stop activated or overvoltage on
medium-voltage transformer
Fault
Fast Stop button pressed, fault in cooling system
of medium-voltage transformer
94
Profibus error
Fault
95
Grid frequency outside tolerance
Fault
Phase sequence is anti-clockwise, grid failure,
parameter setting error
96
Grid voltage outside tolerance
Fault
Grid voltage outside tolerance (possibly grid
failure as well), voltage measurement error,
parameter setting error
97
No checkback from DC link contactor
or failure of cooling fan in the
container
Fault
DC link contactor defective, signal cable
defective, container fan defective
98
Symmetry fault in the PV field
Fault
Fault in at least one PV field string
100
Image in the display (WinCC)
No fault
(generated by the control unit)
LED
"ISO"
flashing
Insulation fault in the PV field (alarm)
Alarm
Cable damaged, module damaged, rain
LED
"ISO" lit
steadily
steadily
Insulation fault in the PV field (fault)
Fault
Cable damaged, module damaged, rain