SMA SC 250U - Manual (Page 37)

SMA America, LLC Error Diagnosis
User Manual SCUS-BE-BUS120514 37
02 Error text:
Grid fault
Cause of fault:
The grid voltage is too low.
Corrective measures:
• Check the grid voltage.
• If the grid voltage lies outside the acceptable range because of local grid conditions,
ask the grid operator if the voltages can be adjusted at the feed-in point.
• Check that the external fuses are functional.
• Check that the AC cable is securely connected.
05 Error text:
Grid fault
Cause of fault:
The grid frequency is outside the permitted range.
Corrective measures:
• Check grid frequency.
• If the grid frequency lies outside the acceptable range because of local grid
conditions, ask the grid operator if the frequency can be adjusted at the feed-in point.
• Check that the external fuses are functional.
• Check that the AC cable is securely connected.
08 Error text:
Grid failure
Cause of fault:
One phase of the grid has failed.
Corrective measures:
• Check the grid voltage.
• Check that the external fuses are functional.
• Check that the AC cable is securely connected.
13 Error text:
Grid installation failure
Cause of fault:
Counterclockwise phase sequence
Corrective measures:
• Check connection to the grid.
• Check phase sequence.
No. Description