Siemens SINVERT 350 用户手册

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 

Insulation fault in the PV field (fault) 

Fault 

Cable damaged, module damaged, rain