Messages
SMA America, LLC
86
SB20_25_30HFUS-eng-IUS113711
Installation Guide
42
Wrong earthing type.
The SMA Plug-in Grounding is not installed
with the correct polarity.
• Check the polarity of the SMA Plug-in
Grounding and refer to the inverter
setting of the grounding polarity
parameter (positive or negative).
60 - 64
< Self diagnosis >
< Device Fault >
• Contact the SMA Service Line (see
section 15 ”Contact” (page 109)).
65
< Self diagnosis >
< Overtemperature >
Sunny Boy switches off due to too high
temperature
• Ensure sufficient ventilation.
• Check heat dissipation, as described
in section 9.1 ”Checking Heat
Dissipation” (page 70).
66
< Self diagnosis >
< Overload >
• Contact the SMA Service Line (see
section 15 ”Contact” (page 109)).
67
< Communication disturbed >
A fault has occurred in the internal
communication of the inverter. However,
the Sunny Boy continues to feed in.
If this event occurs often:
• Contact the SMA Service Line (see
section 15 ”Contact” (page 109)).
68
< Self diagnosis >
< Input A defective >
• Contact the SMA Service Line (see
section 15 ”Contact” (page 109)).
70
< Sensor fault fan on permanently >
• Contact the SMA Service Line (see
section 15 ”Contact” (page 109)).
71
< SD Card defective >
Re-format the SD card. Format the SD card
with file system ”FAT32”.
• Re-save the files to the SD card.
< Parameter file not found or defective >
• Copy the parameter file into the
Carddrive:\PARASET directory.
< Parameter configuration unsuccessful >
• Check the parameters for valid
values.
• Ensure change rights via Inst. Code.
< Update file defective >
• Re-format the SD card.
• Re-save the files to the SD card.
< No update file found >
• Copy the update file into the SD-
Carddrive:\UPDATE directory.
72
< Data cannot be saved >
Internal device fault: however, the Sunny
Boy continues to feed in.
• If this fault occurs often, contact the
SMA Service Line (see section
15 ”Contact” (page 109)).
73
< Main computer update not successful >
Internal device fault.
• Contact the SMA Service Line (see
section 15 ”Contact” (page 109)).
Event No. Display message and cause
Corrective measures
