SMA STP 33-US-41 - Page 54

6 Troubleshooting
SMA Solar Technology AG
User ManualSTP33-62-US-41-BA-en-1154
Event number Message, cause and corrective measures
8003
Active power limit Temperature
The inverter has reduced its power output for more than 10 minutes due to ex-
cessive temperature.
Corrective measures:
• Clean the cooling fins on the rear of the enclosure and the air ducts on
the top using a soft brush.
• Ensure that the inverter has sufficient ventilation.
• Ensure that the ambient temperature +35°C (95°F) has not been
exceeded.
• Ensure that the inverter is not exposed to direct solar irradiation.
8101
8102
8103
8104
Communication failure
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
8208
Self-test for arc fault detection: interference level too high
An error has occurred during the self-test of the arc-fault circuit interrupter. The
cause must be determined by the Service.
Corrective measures:
• Contact the Service.
8209
Self-test for arc fault detection: interference level too low
An error has occurred during the self-test of the arc-fault circuit interrupter. The
cause must be determined by the Service.
Corrective measures:
• Contact the Service.
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.