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Event number Message, cause and corrective measures
8206
Electr. arc detected > Please confirm by tapping
The inverter has detected an electric arc and was recommissioned after a dis-
connection. By tapping, you are confirming that you have repaired any possi-
ble damage to PV modules, DC conductors or plugs in the PV system.
Corrective measures:
Tap on the enclosure lid of the Connection Unit within ten seconds of the
message appearing in order to recommission the inverter.
8503
Self-diagnosis > Input C defective
The cause must be determined by the Service.
Corrective measures:
Contact the Service (see Section11 "Contact", page67).
8708
Timeout in communication for active power limitation
Communication to the system control absent. Depending on the fall-back set-
ting, either the last received values will be retained or the active power will be
limited to the set percentage value of the inverter nominal power.
Corrective measures:
Ensure that the connection to the system manager (e.g.
SunnyHomeManager) is intact and that no cables are damaged or that
no plugs have been pulled.
8801 to 8803
No display
No information can be shown on the display.
9002
SMA Grid Guard code invalid
The SMAGridGuard code entered is incorrect. The operating parameters are
still protected and cannot be changed.
Corrective measures:
Enter the correct SMAGridGuard code.
9003
Grid parameter locked
Changes to the grid parameters are now blocked. In order to be able to make
changes to the grid parameters, from now on you must log in using the SMA
Grid Guard code.
8 Troubleshooting
SMA Solar Technology America LLC
User Manual 47SB30-77-1SP-US-40-BA-en-11
47


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