SMA SC 250U - Manual (Page 32)

Error Diagnosis SMA America, LLC
32 SCUS-BE-BUS120514 User Manual
7 Error Diagnosis
If the Sunny Central detects a fault during operation, it shows the fault in the display. Faults are
indicated with a two-digit error code, a plain text message in the text line, a symbol in the display and
a glowing pushbutton. This section describes how to recognize the type of fault and how you can
rectify it. For the user of the Sunny Central this section should only be used for diagnosing a fault.
Example of an Isolation Failure
DANGER
Even in the case of a fault the Sunny Central can still contain high voltages.
Risk of death from electric shock.
• All procedures described in this section may only be carried out by qualified
personnel.
• All the safety instructions in the installation guide and user manual must be observed
when working on the Sunny Central.
• Contact SMA America if you cannot rectify the fault with the help of this manual.
A The pushbutton glows to indicate a failure.
B Symbol for a failure (in this case a wrench)
C Error number (here: isolation failure)
D Plain text message in the text line