SMA SUNNY BOY 3800TL-US Installation Manual page 66

11 Troubleshooting
Event number
6701 to 6702
6801 to 6802
6901 to 6902
7001 to 7002
7008
7101
7102
66 SB3-5TLUS22-IA-en-16
Display message
Comm. disturbed
Self diagnosis
Input A defective
Self diagnosis
Input B defective
Sensor fault
Disturbance sensor
display temperature
SD card defective
Parameter file not
found or defective
Cause and corrective measures
A fault has occurred in the internal
communication of the inverter. The inverter
continues feeding power into the grid.
Corrective measures:
If this event occurs frequently:
• Contact the SMA Service Line.
Inverter input A is defective.
Corrective measures:
• Contact the SMA Service Line.
Inverter input B is defective.
Corrective measures:
• Contact the SMA Service Line.
A temperature sensor in the inverter is faulty.
The inverter interrupts the feed-in operation.
Corrective measures:
• Contact the SMA Service Line.
The ambient temperature sensor is faulty.
The display is not switched off at temperatures
below ‒13°F (‒25°C) and as a result may have
been destroyed. The inverter continues feeding
power into the grid.
Corrective measures:
• Contact the SMA Service Line.
The SD card is not formatted correctly or is
defective. The update failed. The inverter
continues feeding power into the grid.
Corrective measures:
• Re-format the SD card.
• Re-save the files to the SD card.
The parameter file was not found or is defective.
The update failed. The inverter continues feeding
power into the grid.
Corrective measures:
• Copy the parameter file into the SD card
drive:\PARASET directory.
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Installation Manual