14 Troubleshooting
SMA Solar Technology AG
Operating manual
SI44M-80H-13-BE-en-15
140
14 Troubleshooting
14.1
Sunny Island Inverter Behavior Under Fault Conditions
Event messages
Warnings and errors are displayed in the menu
Events
in the user interface until the causes of these warnings and
errors are no longer detected by the Sunny Island. Exception: Some errors must be acknowledged via the user
interface.
Information is also displayed in the menu
Events
by the Sunny Island (see Section 14.2, page 140).
Autostart
The autostart function allows automatic restarts in the event of malfunctions. If the autostart function fails in the event of
a malfunction, the Sunny Island attempts to carry out the next autostart immediately. The number of autostarts is
restricted.
When the maximum number of autostarts has been reached, the Sunny Island reacts as follows:
• The Sunny Island waits ten minutes.
• The autostart counter is reset.
• The Sunny Island attempts to perform an autostart.
• When the maximum number of autostarts has been reached, the Sunny Island waits again for ten minutes.
14.2
Event Messages
Event number
Message, cause and corrective measures
104
Grid incident
The voltage of the generator or of the utility grid of the Sunny Island Phase Lxx is too high.
Corrective measures for generator:
• Adjust the thresholds for the generator voltage of the Sunny Island (see Sunny Island
technical information "Measured Values and Parameters"). As an aid to this, observe
and evaluate the measured values
Voltage of external grid connection Lxx
during
ongoing operation.
Adjust the generator voltage and/or generator frequency.
Corrective measures in battery-backup system:
• Contact the Service.
